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California State Route 75

March 03, 2023

State Route 75 (SR 75) is a 13-mile (21 km) expressway in San Diego County, California. The state highway is a loop route of Interstate 5 (I-5) that begins near Imperial Beach, heading west on Palm Avenue. The route continues north along the Silver Strand, a thin strip of land, through Silver Strand State Beach. SR 75 passes through the city of Coronado as Orange Avenue and continues onto the San Diego–Coronado Bay Bridge, which traverses the San Diego Bay, before joining back with I-5 near downtown San Diego at a freeway interchange.

State Route 75

State Route 75 highlighted in red
Route information
Maintained by Caltrans
Length13.306 mi[1] (21.414 km)
Existed1924[2]–present
Tourist
routes		 Silver Strand Highway and the San Diego–Coronado Bridge[4]
RestrictionsNo flammable tank vehicles or explosives on the Coronado Bridge[3]
Major junctions
South end I-5 near San Ysidro
Major intersections SR 282 in Coronado
North end I-5 in San Diego
Location
CountryUnited States
StateCalifornia
CountiesSan Diego
Highway system
← SR 74→ SR 76

The Silver Strand Highway was constructed and open to the public by 1924. What would become SR 75 was added to the state highway system in 1933, and designated Legislative Route 199 in 1935. SR 75 was not officially designated until the 1964 state highway renumbering. The Coronado Bay Bridge opened in 1969, and provided a direct connection between San Diego and Coronado. Since then, various proposals have taken place to relieve commuter traffic between San Diego and Naval Air Station North Island that traverses the city of Coronado. However, none of these proposals have gained support, including an attempt in 2010.

Route description

SR 75 begins as Palm Avenue at I-5 in the Nestor neighborhood of San Diego, heading westbound from the Southland Plaza shopping center. The route travels between the communities of Palm City and Nestor before entering the city limits of Imperial Beach. There, SR 75 curves to the north, becoming Silver Strand Boulevard and crossing into Coronado. SR 75 continues onto the peninsula containing Coronado Island, separated from the mainland by San Diego Bay. The highway passes through the Silver Strand Training Complex and the South Bay Study Area before entering the Coronado Cays subdivision and paralleling Silver Strand State Beach.[5]

After this, SR 75 passes through the United States Naval Amphibious Base for a few miles before entering downtown Coronado. The highway becomes Orange Avenue and turns north-northeast as the main street through Coronado. SR 75 intersects SR 282 at the one-way couplet of Third and Fourth Streets; SR 282 continues west on Third Street and returns to SR 75 on Fourth Street, while SR 75 continues east on Fourth Street and heads west towards Orange Avenue on Third Street. The one-way couplet is brief, and SR 75 becomes a divided highway before crossing the Coronado Bridge. While on the bridge, SR 75 crosses into the city of San Diego again.[5]

 
The Coronado Bay Bridge at night

Once on the mainland, SR 75 has a northbound exit to National Avenue and a southbound entrance from Cesar E. Chavez Parkway. Through traffic is directed onto I-5 south or north in Logan Heights, where SR 75 ends.[5]

SR 75 is eligible for the State Scenic Highway System.[6] It is officially designated as a scenic route for nearly its entire length, from the Imperial Beach city limit to Avenida del Sol in Coronado, and the portion across the Coronado Bridge[7] meaning that it is a substantial section of highway passing through a "memorable landscape" with no "visual intrusions", where the potential designation has gained popular favor with the community.[8] SR 75 is also part of the National Highway System,[9] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.[10] In 2013, SR 75 had an annual average daily traffic (AADT) of 66,000 on the Coronado Bridge (the highest AADT for the highway), and 16,000 between Rainbow Drive and 7th Street in Imperial Beach (the lowest AADT for the highway).[11]

History

 
California Route 75 sign

Construction

The intersection of Third Street and Orange Avenue dates back to at least 1890.[12] The process of paving portions of Orange Avenue began in 1893, with an estimated cost of $50,000 (about $1 million in 2021 dollars);[13] three miles (4.8 km) of sidewalks were also included. The plan was to make the avenue "one of the most beautiful in Southern California."[14] From Palm City to Imperial Beach, the road was paved by 1920.[15] The Silver Strand Highway opened in 1924 during a festival at the Tent City summer resort in Coronado, and went from Coronado to Palm City.[16] By 1928, all streets in the city of Coronado had been paved, which was expected to encourage people to visit Tent City.[17]

Plans to transfer the Silver Strand Highway to state maintenance were in place as early as November 1931, and were to take effect once Silver Strand State Park was completed and open.[18] In 1933, the highway from the San Diego–Coronado Ferry to Route 2 (now I-5) was added to the state highway system,[2] and was designated as Legislative Route 199 two years later.[19] By that same year, Sign Route 75 was posted from U.S. Route 101 (US 101) in Palm City to the ferry landing.[20] After a subsequent highway project around 1939, SR 75 passed through Tent City and, according to William Cecil, the city's public works director in 1998, "contributed to its demise."[21]

The first contract for widening the highway between Coronado and Coronado Heights was awarded in 1944, as this part of the road was "now too narrow and dilapidated to meet traffic requirements."[22] The State Highway Commission allocated $25,000 (about $211,000 in 2021 dollars)[13] to install traffic signals at the intersection of SR 75 and US 101 in March 1951.[23] Plans to widen the road to four lanes were put on hold in July.[24]

By July 1952, it had been disclosed that some local businesses near Palm City had lodged opposition to the widening of the highway after $500,000 (about $4.15 million in 2021 dollars)[13] had been allocated to the project.[25] Following protests from local businessmen regarding the design of the median, the planned removal of access to intersecting streets, and the planned changes to street parking, Governor Earl Warren wrote to the San Diego Public Safety Committee, hoping to have the dispute resolved.[26] In November, funds were allocated to acquire land for the construction in the 1953–1954 state budget.[27] A year later, $430,000 (about $3.53 million in 2021 dollars)[13] had been allocated to the widening project.[28] A contract was given to the Daley Corporation to carry out the construction in 1955.[29] The highway was to be widened to four lanes, and would add three pedestrian crossings.[30] The completion of the widening project was announced on August 10, 1956. The final cost of the project was $850,000 (about $6.57 million in 2021 dollars),[13] with money from the City of Coronado and the state.[31]

Designation and bridge construction

Discussion regarding a bridge dates back to 1926; however, the Navy opposed the plan over concerns that an enemy could destroy the bridge and trap ships in the harbor.[32] In 1955, the California Senate approved $200,000 (about $1.6 million in 2021 dollars)[13] to conduct a study regarding a possible vehicular tunnel from San Diego to Coronado.[33] Later, in June 1961, a proposal for an underwater tube along SR 75 was formally proposed, and would not have needed the approval of the residents of Coronado.[34] Interviews of commuters were planned in August, to determine the traffic patterns along SR 75.[35] The survey took place on October 2 along Silver Strand Boulevard.[36]

The SR 75 designation was originally established in 1963 with two segments: from I-5 to the ferry across San Diego Bay from Coronado to downtown, and from SR 125 to I-5.[37] In 1967, the Coronado Bridge was scheduled to be added to the route once it was completed, and the portion from Fourth Street to the ferry was deemed as temporary until the bridge opened.[38] Construction began in February. Coronado residents largely opposed the bridge, but Governor Pat Brown "overrode their wishes" according to former city councilman Bob Odiorne, who also claimed that the opposition caused the city to lose opportunities to move the approaches to the bridge away from residential areas.[32] Following attempts from Barbara Hutchinson, the vice president of the Kearny Mesa Town Council, to ask the Coronado and San Diego city councils to intervene in the construction, San Diego city attorney Edward Butler stated that the state had the ultimate authority to decide whether or not to build the bridge, and that the City of San Diego could not interfere.[39] Before the bridge opened, in 1968, the changes originally proposed by the Legislature in 1967 were made to the law;[40] the designation came into effect on February 21, 1969.[41] The bridge eventually opened on August 3, 1969.[42]

By 1969, Palm Avenue was the primary commercial street in Imperial Beach, and was described by the San Diego Union as "a strip of large signs and businesses. It is not a 'downtown.'"[43] Plans were under way to add an interchange at Silver Strand State Beach for the Coronado Cays development.[44] In September, the City of Coronado added Orange Avenue south of Third Street as a truck route leading to the base.[45] By May 1970, the part of SR 75 on the Coronado Bridge had been declared a scenic highway.[46] President Richard Nixon and Mexican president Díaz Ordaz used Orange Avenue as a motorcade route on September 3, 1970, en route to the Hotel del Coronado.[47][48]

Proposals and renumbering

 
Orange Avenue just south of the SR 282 intersection in Coronado

Proposition N was proposed in 1974 to attempt to resolve concerns regarding traffic in Coronado. The plan was to build another highway along the northern and eastern shore of Coronado Island, to bypass the busy residential and commercial districts and provide easy access to the Silver Strand from the western end of the bridge. The proposition asked voters whether the City Council should "actively pursue" the matter. Critics contended that the highway would block the view of the San Diego Bay, and that the city would be unable to alter traffic patterns in the meantime.[49] Coronado mayor Rolland McNeely opposed the proposal in early November 1974 as it would require approval from over thirty government agencies and would force the city to continue with building this road, although some declared it "impossible to build."[50] The voters rejected this plan.[51]

The portion of SR 75 from Pomona Avenue in Coronado to Imperial Beach was also recommended to become a scenic highway in February 1974.[52] Future improvements to the Imperial Beach – Coronado portion were cancelled in April.[53] In 1976, the California State Legislature renumbered the portion from I-5 to SR 125 as SR 117,[54] which later became SR 905.[55] The change took effect at the beginning of 1977. The renumbering was to reduce confusion with the Coronado portion, according to Caltrans regional director Jacob Dekema; new signs were to be put into place shortly thereafter.[56] The bridge and the resulting traffic continued to be a hotly debated issue in the early 1980s.[57] A plan in 1981 to convert Fourth Street into an expressway leading to the naval station was strongly opposed by the public due to the required demolition of structures and a lack of evidence that the plan would succeed in reducing traffic; by this time, Third and Fourth streets had been converted into one-way streets between the bridge and the naval station.[58] A major renovation of the bridge was scheduled for late 1992, which would include a movable barrier to prevent head-on collisions and necessary resurfacing of the roadway.[59] Work was underway in January 1993 on the $4 million project (about $7 million in 2021 dollars)[13], but it was behind the three-month schedule by 11 days due to rainfall and was expected to be completed by March.[60]

When the Coronado Bridge opened, a toll of 60 cents was charged to use the bridge. In 1980, the toll became $1.20, charged only in the westbound direction towards Coronado.[61] A seventh toll booth was to be constructed in September 1987.[62] The toll dropped to $1 in 1988. The bridge tolls ended at 10 p.m. on June 27, 2002, after the San Diego Association of Governments decided to stop collecting tolls; drivers paid a total of $197 million throughout the years.[61] The speed limit was decreased to 25 miles per hour (40 km/h) in October 2005 along Third and Fourth streets, after traffic increased by 20 percent following the removal of the toll. Traffic barriers along Third Street to block traffic from turning onto intersecting streets were removed in November 2004, following voter approval.[63]

The City of Coronado has attempted to have a tunnel built from the Coronado bridge to the San Diego Naval Base numerous times, and hired Ledford Enterprises to help with the lobbying process in 2002 and 2006.[64] The city endorsed a proposed study in 2004 to determine possible alternatives to resolve the traffic issues, which included keeping the status quo.[65] On June 8, 2010, Coronado voters decided against Proposition H, which would have advised the city to undergo further investigation into building the tunnel.[66] This concluded ten years of studies and proposals by the city of Coronado to find a way to reduce traffic to the naval station during rush hour. Critics of the proposal did not believe that the tunnel would resolve the traffic issues on the northern part of SR 75 or on SR 282.[67] Following this, the Coronado City Council voted to abolish the Tunnel Commission that had been formed to study the issue.[68]

Efforts were underway by Imperial Beach city officials to improve the reputation and economic standing of the Palm Avenue area in the first decade of the 21st century. The area was described by the San Diego Union-Tribune as a "hodgepodge of vacant land and aging apartment buildings and businesses, many in need of a coat of paint" in 2003. Residents hoped to revitalize the area, providing commerce right next to an entrance to the beach.[69] City officials offered local business owners loans for necessary construction or rehabilitation in 2005.[70] The Imperial Beach city council approved the redevelopment of the Palm Avenue corridor in 2008, following a study in 2003.[71] A Palm Avenue Commercial Corridor Master Plan was endorsed in February 2009, in efforts to improve the commercial area.[72] In September 2012, the Imperial Beach city council raised objections over the Caltrans decision to increase the speed limit on SR 75 to 45 miles per hour (72 km/h) from 40 miles per hour (64 km/h) on the portion of the highway from Delaware Street to the western Imperial Beach city limit due to concerns about safety. The rest of the highway was to retain the 40 miles per hour (64 km/h) speed limit.[73]

Major intersections

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see California postmile § Official postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in San Diego County. All exits are unnumbered.

LocationPostmile
[1][11][74]		DestinationsNotes
San Diego8.93Palm AvenueContinuation beyond I-5
9.00  I-5 – San DiegoExit 5A on I-5
Coronado13.97Coronado Cays BoulevardSouthbound interchange and northbound at-grade intersection
R19.70 
  SR 282 west (3rd Street / 4th Street) – North Island		East end of SR 282; travels one-way west on 3rd Street and east on 4th Street
San Diego BayR20.49San Diego–Coronado Bridge
San DiegoR22.26 
  I-5 south / National Avenue		Interchange; northbound exit and southbound entrance
R22.26 
  I-5 north – Downtown		Interchange; exit 14A on I-5
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. ^ a b c California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015.
  2. ^ a b California State Assembly. "An act to amend sections 2, 3 and 5 and to add two sections to be numbered 6 and 7 to an act entitled 'An act to provide for the acquisition of rights of way for and the construction, maintenance..." Fiftieth Session of the Legislature. Statutes of California. State of California. Ch. 767 p. 2034–2042.
  3. ^ California Department of Transportation (January 22, 1980). "§ 1403.1. Prohibited Loads and Vehicles". California Code of Regulations. 21 CCR § 1403.1. Retrieved March 15, 2015 – via WestLaw Next (Thomson Reuters).
  4. ^ California Department of Transportation (August 2019). "Officially Designated State Scenic Highways and Historic Parkways" (XLSX). Sacramento: California Department of Transportation. Retrieved March 27, 2019.
  5. ^ a b c San Diego County Street Atlas (Map). Thomas Brothers. 2009. pp. 1288, 1289, 1308, 1309, 1329, 1330.
  6. ^ "Article 2.5 of Chapter 2 of Division 1". California Streets & Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved February 6, 2019.
  7. ^ California Department of Transportation (August 2019). "Officially Designated State Scenic Highways and Historic Parkways" (XLSX). Sacramento: California Department of Transportation.
  8. ^ California Department of Transportation (2012). Scenic Highway Guidelines (PDF). Sacramento: California Department of Transportation. p. 5. Retrieved June 8, 2017.
  9. ^ Federal Highway Administration (March 25, 2015). National Highway System: San Diego, CA (PDF) (Map). Scale not given. Washington, DC: Federal Highway Administration. Retrieved May 25, 2015.
  10. ^ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Washington, DC: Federal Highway Administration. Retrieved July 1, 2012.
  11. ^ a b California Department of Transportation (2013). "All Traffic Volumes on CSHS". Sacramento: California Department of Transportation.
  12. ^ Staff (January 12, 1890). "Coronado". The San Diego Union and Daily Bee. p. 6. OCLC 13155544.
  13. ^ a b c d e f g Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved January 1, 2023. United States Gross Domestic Product deflator figures follow the Measuring Worth series.
  14. ^ "Errors Cause Delay". The San Diego Union and Daily Bee. April 19, 1893. p. 5. OCLC 13155544.
  15. ^ Staff (December 25, 1920). "Paving Work is Ready for Use on Coronado Strand Route, Report". Evening Tribune. San Diego. p. 1 (Automotive). OCLC 37687666.
  16. ^ "Engage Baritone as Soloist With Tent City Orchestra". The San Diego Union and Daily Bee. June 26, 1924. p. 22. OCLC 13155544.
  17. ^ Staff (June 24, 1928). "Summer Sport Activities Begin at Resort Peninsula". The San Diego Union. p. 1 (Automotive). OCLC 13155544.
  18. ^ Staff (November 3, 1931). "Pledge State Aid For Strand Road". The San Diego Union. p. 10. OCLC 13155544.
  19. ^ California State Assembly. "An act to establish a Streets and Highways Code, thereby consolidating and revising the law relating to public ways and all appurtenances thereto, and to repeal certain acts and parts of acts specified herein". Fifty-first Session of the Legislature. Statutes of California. State of California. Ch. 29 p. 287.
  20. ^ San Diego County (Map). Automobile Club of Southern California. 1935. § G4–H5.
  21. ^ Lau, Angela (April 27, 1998). "Explorers stake out old Tent City site". The San Diego Union-Tribune. p. B1. OCLC 25257675.
  22. ^ "Strand Highway To Be Widened". The San Diego Union. September 12, 1944. p. B1. OCLC 13155544.
  23. ^ "State Allots $25,000 Road Fund". The San Diego Union. March 24, 1951. p. A12. OCLC 13155544.
  24. ^ Staff (July 10, 1951). "Four Lanes For Strand Not Likely". The San Diego Union. p. A13. OCLC 13155544.
  25. ^ "Silver Strand Highway Widening Endangered". The San Diego Union. July 22, 1952. p. A8. OCLC 13155544.
  26. ^ Staff (July 30, 1952). "Warren Urges Strand Highway Issue Settled". The San Diego Union. p. A6. OCLC 13155544.
  27. ^ "Action Set On Silver Strand Road". The San Diego Union. November 13, 1952. p. A4. OCLC 13155544.
  28. ^ Staff (November 20, 1953). "State Budgets 5 Million For County Roads". The San Diego Union. p. A13. OCLC 13155544.
  29. ^ Staff (July 1, 1955). "$768,000 Contact Let On Highway 75 Work". The San Diego Union. p. A28. OCLC 13155544.
  30. ^ Staff (February 21, 1956). "Silver Strand Road Work To End In Summer". The San Diego Union. p. A12. OCLC 13155544.
  31. ^ "Silver Strand 4-Lane Highway In Operation". The San Diego Union. August 11, 1956. p. A6. OCLC 13155544.
  32. ^ a b Lau, Angela (July 24, 1994). "Over 25 years, bay bridge took its toll on Coronado". The San Diego Union-Tribune. p. B1. OCLC 37687666.
  33. ^ "Senate Passes Coronado Tube Survey Measure". The San Diego Union. May 29, 1955. p. A8. OCLC 13155544.
  34. ^ "Officials Puzzled". The San Diego Union. June 1, 1961. p. A28. OCLC 13155544.
  35. ^ "State Plans Traffic Study In Coronado". The San Diego Union. August 16, 1961. p. A19. OCLC 13155544.
  36. ^ Staff (October 3, 1961). "Support Timbers Fall, Snarl Traffic". The San Diego Union. p. A17. OCLC 13155544.
  37. ^ California State Assembly. "An act to add Section 253 and Article 3 (commencing with Section 300) to Chapter 2 of Division 1 of, and to repeal Section 253 and Article 3 (commencing with Section 300) of Chapter 2 of Division 1 of, the..." 1963 Session of the Legislature. Statutes of California. State of California. Ch. 385 p. 1182.
  38. ^ California State Assembly. "An act to amend Section 375 of, and to add Section 582 to, the Streets and Highways code, relating to state highways". 1967 Session of the Legislature. Statutes of California. State of California. Ch. 1483.
  39. ^ "Butler Says City Can't Halt Bridge". The San Diego Union. March 9, 1965. p. A13. OCLC 13155544.
  40. ^ California State Assembly. "An act to amend Sections 375 and 582 of the Streets and Highways Code, relating to state highways, and declaring the urgency thereof, to take effect immediately". 1968 Session of the Legislature. Statutes of California. State of California. Ch. 1139.
  41. ^ Copley News Service (February 22, 1969). "Bay Span Route Added To State Highway Net". The San Diego Union. p. B7. OCLC 13155544.
  42. ^ Bemundez, Yader. "San Diego - Coronado Bridge". California Department of Transportation. Caltrans. Retrieved August 10, 2012.
  43. ^ Staff (June 21, 1969). "Imperial Beach Awaiting Marina". The San Diego Union. p. B7. OCLC 13155544.
  44. ^ "Bids Called For Section of Interstate 805". The San Diego Union. July 5, 1969. p. C8. OCLC 13155544.
  45. ^ "Council Shifts North Island Truck Route". The San Diego Union. September 17, 1969. p. B3. OCLC 13155544.
  46. ^ Copley News Service (May 6, 1970). "Summit Route May Get Scenic Label". The San Diego Union. p. B1. OCLC 13155544.
  47. ^ Ross, Charles (September 4, 1970). "Dazzling State Dinner Honors Diaz Ordaz". The San Diego Union. p. 1. OCLC 13155544.
  48. ^ Scott-Blair, Michael (September 4, 1970). "Throng Shares in Excitement". The San Diego Union. p. 2. OCLC 13155544.
  49. ^ Harrison, Donald H. (October 28, 1974). "Coronado's Traffic An Issue". The San Diego Union. p. B3. OCLC 13155544.
  50. ^ "Coronadans Rejecting Traffic Plan". The San Diego Union. November 6, 1974. p. B4. OCLC 13155544.
  51. ^ "Coronado Council Acts in Bid to Unsnarl Traffic". The San Diego Union. November 20, 1974. p. B6. OCLC 13155544.
  52. ^ Staff (February 8, 1974). "Silver Strand Highway Backed As Scenic Route". The San Diego Union. p. B4. OCLC 13155544.
  53. ^ "Highway Projects Slashed". The San Diego Union. April 20, 1974. p. B4. OCLC 13155544.
  54. ^ California State Assembly. "An act to amend Sections 143.2, 186, 253.1, 253.2, 253.4, 253.5, 253.6, 263.1, 263.5, 263.7, 311, 312, 333, 360, 374, 375, 378, 381, 384, 388, 411, 417, 422, 440, 441, 460, 506, 559, 563, 582, and 620 of, to add..." 1975–1976 Session of the Legislature. Statutes of California. State of California. Ch. 1354.
  55. ^ California State Assembly. "An act to amend Sections 318, 341, 343, 360, 366, 370, 374, 388, 389, 403, 425, 468, 548, 624, 2104, and 2107 of, to add Section 632 to, and to repeal Sections 322.1, 355.1, 417, and 622.2 of, the Streets..." 1985–1986 Session of the Legislature. Statutes of California. State of California. Ch. 928 p. 3215–3216.
  56. ^ Staff (January 9, 1977). "State 75 Freeway Becomes 117". The San Diego Union. p. B6. OCLC 13155544.
  57. ^ Staff (October 30, 1981). "Traffic Is Key Issue In Coronado". The San Diego Union. p. B3. OCLC 13155544.
  58. ^ Desick, S. A. (June 17, 1981). "Despite A Few Howls, Coronado Tightens Dog-Control Rules". The San Diego Union. p. B3. OCLC 13155544.
  59. ^ Arner, Mark (August 3, 1992). "Traffic logjams feared this winter as Coronado Bridge is renovated". The San Diego Union-Tribune. p. B3. OCLC 25257675.
  60. ^ Arner, Mark (January 22, 1993). "Coronado Bridge project behind schedule". The San Diego Union-Tribune. p. B2. OCLC 25257675.
  61. ^ a b Graham, David E. (June 28, 2012). "Coronado Bridge comes to end of era". The San Diego Union-Tribune. p. B2. OCLC 25257675.
  62. ^ "Coronado to monitor effects of added toll booth". Evening Tribune. San Diego. September 8, 1987. p. B4. OCLC 37687666.
  63. ^ Zuninga, Janine (October 2, 2005). "Enforcement of 25-mph limit in Coronado to begin Oct.11". The San Diego Union-Tribune. p. B1. OCLC 25257675.
  64. ^ Ziga, Janine (June 8, 2006). "Contract approved to lobby for tunnel". The San Diego Union-Tribune. p. B2. OCLC 25257675.
  65. ^ Zuninga, Janine (October 9, 2004). "Coronado dealing with its traffic - Tunnel among study proposals". The San Diego Union-Tribune. p. B3. OCLC 25257675.
  66. ^ "Coronado Proposition H fails". The San Diego Union-Tribune. June 9, 2010. Retrieved August 10, 2012.
  67. ^ Zúñinga, Janine (May 27, 2010). "Rhetoric heats up on Coronado tunnel issue". The San Diego Union-Tribune. Retrieved August 10, 2012.
  68. ^ Fry, Wendy (July 17, 2010). "Council votes to kill study of tunnel". The San Diego Union-Tribune. Retrieved August 10, 2012.
  69. ^ Zuniga, Janine (June 22, 2003). "Residents seek to beautify image of Palm Avenue". The San Diego Union-Tribune. p. B4. OCLC 25257675.
  70. ^ Zuniga, Janine (May 11, 2005). "Improvement cash touted - San Diego has its eye on struggling Palm Avenue". The San Diego Union-Tribune. p. B1. OCLC 25257675.
  71. ^ Ziga, Janine (May 31, 2008). "City gives green light to Palm Avenue revival". The San Diego Union-Tribune. p. SZ1. OCLC 25257675.
  72. ^ Ziga, Janine (March 12, 2009). "Palm Avenue makeover planned as 'main street'". The San Diego Union-Tribune. p. SZ1. OCLC 25257675.
  73. ^ Poythress, Katherine (September 6, 2012). "Go slow, Imperial Beach tells state". U-T San Diego. p. SZ1. OCLC 25257675.
  74. ^ California Department of Transportation (October 2018). . Sacramento: California Department of Transportation.

External links

 
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  • California @ AARoads.com - State Route 75
  • Caltrans: Route 75 highway conditions
  • California Highways: SR 75

March 03, 2023
california, state, route, state, route, mile, expressway, diego, county, california, state, highway, loop, route, interstate, that, begins, near, imperial, beach, heading, west, palm, avenue, route, continues, north, along, silver, strand, thin, strip, land, t. State Route 75 SR 75 is a 13 mile 21 km expressway in San Diego County California The state highway is a loop route of Interstate 5 I 5 that begins near Imperial Beach heading west on Palm Avenue The route continues north along the Silver Strand a thin strip of land through Silver Strand State Beach SR 75 passes through the city of Coronado as Orange Avenue and continues onto the San Diego Coronado Bay Bridge which traverses the San Diego Bay before joining back with I 5 near downtown San Diego at a freeway interchange State Route 75State Route 75 highlighted in redRoute informationMaintained by CaltransLength13 306 mi 1 21 414 km Existed1924 2 presentTouristroutesSilver Strand Highway and the San Diego Coronado Bridge 4 RestrictionsNo flammable tank vehicles or explosives on the Coronado Bridge 3 Major junctionsSouth endI 5 near San YsidroMajor intersectionsSR 282 in CoronadoNorth endI 5 in San DiegoLocationCountryUnited StatesStateCaliforniaCountiesSan DiegoHighway systemState highways in CaliforniaInterstate US State Scenic History Pre 1964 Unconstructed Deleted Freeways SR 74 SR 76The Silver Strand Highway was constructed and open to the public by 1924 What would become SR 75 was added to the state highway system in 1933 and designated Legislative Route 199 in 1935 SR 75 was not officially designated until the 1964 state highway renumbering The Coronado Bay Bridge opened in 1969 and provided a direct connection between San Diego and Coronado Since then various proposals have taken place to relieve commuter traffic between San Diego and Naval Air Station North Island that traverses the city of Coronado However none of these proposals have gained support including an attempt in 2010 Contents 1 Route description 2 History 2 1 Construction 2 2 Designation and bridge construction 2 3 Proposals and renumbering 3 Major intersections 4 See also 5 References 6 External linksRoute description EditSR 75 begins as Palm Avenue at I 5 in the Nestor neighborhood of San Diego heading westbound from the Southland Plaza shopping center The route travels between the communities of Palm City and Nestor before entering the city limits of Imperial Beach There SR 75 curves to the north becoming Silver Strand Boulevard and crossing into Coronado SR 75 continues onto the peninsula containing Coronado Island separated from the mainland by San Diego Bay The highway passes through the Silver Strand Training Complex and the South Bay Study Area before entering the Coronado Cays subdivision and paralleling Silver Strand State Beach 5 After this SR 75 passes through the United States Naval Amphibious Base for a few miles before entering downtown Coronado The highway becomes Orange Avenue and turns north northeast as the main street through Coronado SR 75 intersects SR 282 at the one way couplet of Third and Fourth Streets SR 282 continues west on Third Street and returns to SR 75 on Fourth Street while SR 75 continues east on Fourth Street and heads west towards Orange Avenue on Third Street The one way couplet is brief and SR 75 becomes a divided highway before crossing the Coronado Bridge While on the bridge SR 75 crosses into the city of San Diego again 5 The Coronado Bay Bridge at night Once on the mainland SR 75 has a northbound exit to National Avenue and a southbound entrance from Cesar E Chavez Parkway Through traffic is directed onto I 5 south or north in Logan Heights where SR 75 ends 5 SR 75 is eligible for the State Scenic Highway System 6 It is officially designated as a scenic route for nearly its entire length from the Imperial Beach city limit to Avenida del Sol in Coronado and the portion across the Coronado Bridge 7 meaning that it is a substantial section of highway passing through a memorable landscape with no visual intrusions where the potential designation has gained popular favor with the community 8 SR 75 is also part of the National Highway System 9 a network of highways that are considered essential to the country s economy defense and mobility by the Federal Highway Administration 10 In 2013 SR 75 had an annual average daily traffic AADT of 66 000 on the Coronado Bridge the highest AADT for the highway and 16 000 between Rainbow Drive and 7th Street in Imperial Beach the lowest AADT for the highway 11 History Edit California Route 75 sign Construction Edit The intersection of Third Street and Orange Avenue dates back to at least 1890 12 The process of paving portions of Orange Avenue began in 1893 with an estimated cost of 50 000 about 1 million in 2021 dollars 13 three miles 4 8 km of sidewalks were also included The plan was to make the avenue one of the most beautiful in Southern California 14 From Palm City to Imperial Beach the road was paved by 1920 15 The Silver Strand Highway opened in 1924 during a festival at the Tent City summer resort in Coronado and went from Coronado to Palm City 16 By 1928 all streets in the city of Coronado had been paved which was expected to encourage people to visit Tent City 17 Plans to transfer the Silver Strand Highway to state maintenance were in place as early as November 1931 and were to take effect once Silver Strand State Park was completed and open 18 In 1933 the highway from the San Diego Coronado Ferry to Route 2 now I 5 was added to the state highway system 2 and was designated as Legislative Route 199 two years later 19 By that same year Sign Route 75 was posted from U S Route 101 US 101 in Palm City to the ferry landing 20 After a subsequent highway project around 1939 SR 75 passed through Tent City and according to William Cecil the city s public works director in 1998 contributed to its demise 21 The first contract for widening the highway between Coronado and Coronado Heights was awarded in 1944 as this part of the road was now too narrow and dilapidated to meet traffic requirements 22 The State Highway Commission allocated 25 000 about 211 000 in 2021 dollars 13 to install traffic signals at the intersection of SR 75 and US 101 in March 1951 23 Plans to widen the road to four lanes were put on hold in July 24 By July 1952 it had been disclosed that some local businesses near Palm City had lodged opposition to the widening of the highway after 500 000 about 4 15 million in 2021 dollars 13 had been allocated to the project 25 Following protests from local businessmen regarding the design of the median the planned removal of access to intersecting streets and the planned changes to street parking Governor Earl Warren wrote to the San Diego Public Safety Committee hoping to have the dispute resolved 26 In November funds were allocated to acquire land for the construction in the 1953 1954 state budget 27 A year later 430 000 about 3 53 million in 2021 dollars 13 had been allocated to the widening project 28 A contract was given to the Daley Corporation to carry out the construction in 1955 29 The highway was to be widened to four lanes and would add three pedestrian crossings 30 The completion of the widening project was announced on August 10 1956 The final cost of the project was 850 000 about 6 57 million in 2021 dollars 13 with money from the City of Coronado and the state 31 Designation and bridge construction Edit Discussion regarding a bridge dates back to 1926 however the Navy opposed the plan over concerns that an enemy could destroy the bridge and trap ships in the harbor 32 In 1955 the California Senate approved 200 000 about 1 6 million in 2021 dollars 13 to conduct a study regarding a possible vehicular tunnel from San Diego to Coronado 33 Later in June 1961 a proposal for an underwater tube along SR 75 was formally proposed and would not have needed the approval of the residents of Coronado 34 Interviews of commuters were planned in August to determine the traffic patterns along SR 75 35 The survey took place on October 2 along Silver Strand Boulevard 36 The SR 75 designation was originally established in 1963 with two segments from I 5 to the ferry across San Diego Bay from Coronado to downtown and from SR 125 to I 5 37 In 1967 the Coronado Bridge was scheduled to be added to the route once it was completed and the portion from Fourth Street to the ferry was deemed as temporary until the bridge opened 38 Construction began in February Coronado residents largely opposed the bridge but Governor Pat Brown overrode their wishes according to former city councilman Bob Odiorne who also claimed that the opposition caused the city to lose opportunities to move the approaches to the bridge away from residential areas 32 Following attempts from Barbara Hutchinson the vice president of the Kearny Mesa Town Council to ask the Coronado and San Diego city councils to intervene in the construction San Diego city attorney Edward Butler stated that the state had the ultimate authority to decide whether or not to build the bridge and that the City of San Diego could not interfere 39 Before the bridge opened in 1968 the changes originally proposed by the Legislature in 1967 were made to the law 40 the designation came into effect on February 21 1969 41 The bridge eventually opened on August 3 1969 42 By 1969 Palm Avenue was the primary commercial street in Imperial Beach and was described by the San Diego Union as a strip of large signs and businesses It is not a downtown 43 Plans were under way to add an interchange at Silver Strand State Beach for the Coronado Cays development 44 In September the City of Coronado added Orange Avenue south of Third Street as a truck route leading to the base 45 By May 1970 the part of SR 75 on the Coronado Bridge had been declared a scenic highway 46 President Richard Nixon and Mexican president Diaz Ordaz used Orange Avenue as a motorcade route on September 3 1970 en route to the Hotel del Coronado 47 48 Proposals and renumbering Edit Orange Avenue just south of the SR 282 intersection in Coronado Proposition N was proposed in 1974 to attempt to resolve concerns regarding traffic in Coronado The plan was to build another highway along the northern and eastern shore of Coronado Island to bypass the busy residential and commercial districts and provide easy access to the Silver Strand from the western end of the bridge The proposition asked voters whether the City Council should actively pursue the matter Critics contended that the highway would block the view of the San Diego Bay and that the city would be unable to alter traffic patterns in the meantime 49 Coronado mayor Rolland McNeely opposed the proposal in early November 1974 as it would require approval from over thirty government agencies and would force the city to continue with building this road although some declared it impossible to build 50 The voters rejected this plan 51 The portion of SR 75 from Pomona Avenue in Coronado to Imperial Beach was also recommended to become a scenic highway in February 1974 52 Future improvements to the Imperial Beach Coronado portion were cancelled in April 53 In 1976 the California State Legislature renumbered the portion from I 5 to SR 125 as SR 117 54 which later became SR 905 55 The change took effect at the beginning of 1977 The renumbering was to reduce confusion with the Coronado portion according to Caltrans regional director Jacob Dekema new signs were to be put into place shortly thereafter 56 The bridge and the resulting traffic continued to be a hotly debated issue in the early 1980s 57 A plan in 1981 to convert Fourth Street into an expressway leading to the naval station was strongly opposed by the public due to the required demolition of structures and a lack of evidence that the plan would succeed in reducing traffic by this time Third and Fourth streets had been converted into one way streets between the bridge and the naval station 58 A major renovation of the bridge was scheduled for late 1992 which would include a movable barrier to prevent head on collisions and necessary resurfacing of the roadway 59 Work was underway in January 1993 on the 4 million project about 7 million in 2021 dollars 13 but it was behind the three month schedule by 11 days due to rainfall and was expected to be completed by March 60 When the Coronado Bridge opened a toll of 60 cents was charged to use the bridge In 1980 the toll became 1 20 charged only in the westbound direction towards Coronado 61 A seventh toll booth was to be constructed in September 1987 62 The toll dropped to 1 in 1988 The bridge tolls ended at 10 p m on June 27 2002 after the San Diego Association of Governments decided to stop collecting tolls drivers paid a total of 197 million throughout the years 61 The speed limit was decreased to 25 miles per hour 40 km h in October 2005 along Third and Fourth streets after traffic increased by 20 percent following the removal of the toll Traffic barriers along Third Street to block traffic from turning onto intersecting streets were removed in November 2004 following voter approval 63 The City of Coronado has attempted to have a tunnel built from the Coronado bridge to the San Diego Naval Base numerous times and hired Ledford Enterprises to help with the lobbying process in 2002 and 2006 64 The city endorsed a proposed study in 2004 to determine possible alternatives to resolve the traffic issues which included keeping the status quo 65 On June 8 2010 Coronado voters decided against Proposition H which would have advised the city to undergo further investigation into building the tunnel 66 This concluded ten years of studies and proposals by the city of Coronado to find a way to reduce traffic to the naval station during rush hour Critics of the proposal did not believe that the tunnel would resolve the traffic issues on the northern part of SR 75 or on SR 282 67 Following this the Coronado City Council voted to abolish the Tunnel Commission that had been formed to study the issue 68 Efforts were underway by Imperial Beach city officials to improve the reputation and economic standing of the Palm Avenue area in the first decade of the 21st century The area was described by the San Diego Union Tribune as a hodgepodge of vacant land and aging apartment buildings and businesses many in need of a coat of paint in 2003 Residents hoped to revitalize the area providing commerce right next to an entrance to the beach 69 City officials offered local business owners loans for necessary construction or rehabilitation in 2005 70 The Imperial Beach city council approved the redevelopment of the Palm Avenue corridor in 2008 following a study in 2003 71 A Palm Avenue Commercial Corridor Master Plan was endorsed in February 2009 in efforts to improve the commercial area 72 In September 2012 the Imperial Beach city council raised objections over the Caltrans decision to increase the speed limit on SR 75 to 45 miles per hour 72 km h from 40 miles per hour 64 km h on the portion of the highway from Delaware Street to the western Imperial Beach city limit due to concerns about safety The rest of the highway was to retain the 40 miles per hour 64 km h speed limit 73 Major intersections EditExcept where prefixed with a letter postmiles were measured on the road as it was in 1964 based on the alignment that existed at the time and do not necessarily reflect current mileage R reflects a realignment in the route since then M indicates a second realignment L refers to an overlap due to a correction or change and T indicates postmiles classified as temporary for a full list of prefixes see California postmile Official postmile definitions 1 Segments that remain unconstructed or have been relinquished to local control may be omitted The entire route is in San Diego County All exits are unnumbered LocationPostmile 1 11 74 DestinationsNotesSan Diego8 93Palm AvenueContinuation beyond I 59 00 I 5 San DiegoExit 5A on I 5Coronado13 97Coronado Cays BoulevardSouthbound interchange and northbound at grade intersectionR19 70 SR 282 west 3rd Street 4th Street North IslandEast end of SR 282 travels one way west on 3rd Street and east on 4th StreetSan Diego BayR20 49San Diego Coronado BridgeSan DiegoR22 26 I 5 south National AvenueInterchange northbound exit and southbound entranceR22 26 I 5 north DowntownInterchange exit 14A on I 51 000 mi 1 609 km 1 000 km 0 621 mi Incomplete accessSee also Edit California Roads portalReferences Edit a b c California Department of Transportation State Truck Route List Sacramento California Department of Transportation Archived from the original XLS file on June 30 2015 Retrieved June 30 2015 a b California State Assembly An act to amend sections 2 3 and 5 and to add two sections to be numbered 6 and 7 to an act entitled An act to provide for the acquisition of rights of way for and the construction maintenance Fiftieth Session of the Legislature Statutes of California State of California Ch 767 p 2034 2042 California Department of Transportation January 22 1980 1403 1 Prohibited Loads and Vehicles California Code of Regulations 21 CCR 1403 1 Retrieved March 15 2015 via WestLaw Next Thomson Reuters California Department of Transportation August 2019 Officially Designated State Scenic Highways and Historic Parkways XLSX Sacramento California Department of Transportation Retrieved March 27 2019 a b c San Diego County Street Atlas Map Thomas Brothers 2009 pp 1288 1289 1308 1309 1329 1330 Article 2 5 of Chapter 2 of Division 1 California Streets amp Highways Code Sacramento California Office of Legislative Counsel Retrieved February 6 2019 California Department of Transportation August 2019 Officially Designated State Scenic Highways and Historic Parkways XLSX Sacramento California Department of Transportation California Department of Transportation 2012 Scenic Highway Guidelines PDF Sacramento California Department of Transportation p 5 Retrieved June 8 2017 Federal Highway Administration March 25 2015 National Highway System San Diego CA PDF Map Scale not given Washington DC Federal Highway Administration Retrieved May 25 2015 Natzke Stefan Neathery Mike amp Adderly Kevin June 20 2012 What is the National Highway System National Highway System Washington DC Federal Highway Administration Retrieved July 1 2012 a b California Department of Transportation 2013 All Traffic Volumes on CSHS Sacramento California Department of Transportation Staff January 12 1890 Coronado The San Diego Union and Daily Bee p 6 OCLC 13155544 a b c d e f g Johnston Louis Williamson Samuel H 2023 What Was the U S GDP Then MeasuringWorth Retrieved January 1 2023 United States Gross Domestic Product deflator figures follow the Measuring Worth series Errors Cause Delay The San Diego Union and Daily Bee April 19 1893 p 5 OCLC 13155544 Staff December 25 1920 Paving Work is Ready for Use on Coronado Strand Route Report Evening Tribune San Diego p 1 Automotive OCLC 37687666 Engage Baritone as Soloist With Tent City Orchestra The San Diego Union and Daily Bee June 26 1924 p 22 OCLC 13155544 Staff June 24 1928 Summer Sport Activities Begin at Resort Peninsula The San Diego Union p 1 Automotive OCLC 13155544 Staff November 3 1931 Pledge State Aid For Strand Road The San Diego Union p 10 OCLC 13155544 California State Assembly An act to establish a Streets and Highways Code thereby consolidating and revising the law relating to public ways and all appurtenances thereto and to repeal certain acts and parts of acts specified herein Fifty first Session of the Legislature Statutes of California State of California Ch 29 p 287 San Diego County Map Automobile Club of Southern California 1935 G4 H5 Lau Angela April 27 1998 Explorers stake out old Tent City site The San Diego Union Tribune p B1 OCLC 25257675 Strand Highway To Be Widened The San Diego Union September 12 1944 p B1 OCLC 13155544 State Allots 25 000 Road Fund The San Diego Union March 24 1951 p A12 OCLC 13155544 Staff July 10 1951 Four Lanes For Strand Not Likely The San Diego Union p A13 OCLC 13155544 Silver Strand Highway Widening Endangered The San Diego Union July 22 1952 p A8 OCLC 13155544 Staff July 30 1952 Warren Urges Strand Highway Issue Settled The San Diego Union p A6 OCLC 13155544 Action Set On Silver Strand Road The San Diego Union November 13 1952 p A4 OCLC 13155544 Staff November 20 1953 State Budgets 5 Million For County Roads The San Diego Union p A13 OCLC 13155544 Staff July 1 1955 768 000 Contact Let On Highway 75 Work The San Diego Union p A28 OCLC 13155544 Staff February 21 1956 Silver Strand Road Work To End In Summer The San Diego Union p A12 OCLC 13155544 Silver Strand 4 Lane Highway In Operation The San Diego Union August 11 1956 p A6 OCLC 13155544 a b Lau Angela July 24 1994 Over 25 years bay bridge took its toll on Coronado The San Diego Union Tribune p B1 OCLC 37687666 Senate Passes Coronado Tube Survey Measure The San Diego Union May 29 1955 p A8 OCLC 13155544 Officials Puzzled The San Diego Union June 1 1961 p A28 OCLC 13155544 State Plans Traffic Study In Coronado The San Diego Union August 16 1961 p A19 OCLC 13155544 Staff October 3 1961 Support Timbers Fall Snarl Traffic The San Diego Union p A17 OCLC 13155544 California State Assembly An act to add Section 253 and Article 3 commencing with Section 300 to Chapter 2 of Division 1 of and to repeal Section 253 and Article 3 commencing with Section 300 of Chapter 2 of Division 1 of the 1963 Session of the Legislature Statutes of California State of California Ch 385 p 1182 California State Assembly An act to amend Section 375 of and to add Section 582 to the Streets and Highways code relating to state highways 1967 Session of the Legislature Statutes of California State of California Ch 1483 Butler Says City Can t Halt Bridge The San Diego Union March 9 1965 p A13 OCLC 13155544 California State Assembly An act to amend Sections 375 and 582 of the Streets and Highways Code relating to state highways and declaring the urgency thereof to take effect immediately 1968 Session of the Legislature Statutes of California State of California Ch 1139 Copley News Service February 22 1969 Bay Span Route Added To State Highway Net The San Diego Union p B7 OCLC 13155544 Bemundez Yader San Diego Coronado Bridge California Department of Transportation Caltrans Retrieved August 10 2012 Staff June 21 1969 Imperial Beach Awaiting Marina The San Diego Union p B7 OCLC 13155544 Bids Called For Section of Interstate 805 The San Diego Union July 5 1969 p C8 OCLC 13155544 Council Shifts North Island Truck Route The San Diego Union September 17 1969 p B3 OCLC 13155544 Copley News Service May 6 1970 Summit Route May Get Scenic Label The San Diego Union p B1 OCLC 13155544 Ross Charles September 4 1970 Dazzling State Dinner Honors Diaz Ordaz The San Diego Union p 1 OCLC 13155544 Scott Blair Michael September 4 1970 Throng Shares in Excitement The San Diego Union p 2 OCLC 13155544 Harrison Donald H October 28 1974 Coronado s Traffic An Issue The San Diego Union p B3 OCLC 13155544 Coronadans Rejecting Traffic Plan The San Diego Union November 6 1974 p B4 OCLC 13155544 Coronado Council Acts in Bid to Unsnarl Traffic The San Diego Union November 20 1974 p B6 OCLC 13155544 Staff February 8 1974 Silver Strand Highway Backed As Scenic Route The San Diego Union p B4 OCLC 13155544 Highway Projects Slashed The San Diego Union April 20 1974 p B4 OCLC 13155544 California State Assembly An act to amend Sections 143 2 186 253 1 253 2 253 4 253 5 253 6 263 1 263 5 263 7 311 312 333 360 374 375 378 381 384 388 411 417 422 440 441 460 506 559 563 582 and 620 of to add 1975 1976 Session of the Legislature Statutes of California State of California Ch 1354 California State Assembly An act to amend Sections 318 341 343 360 366 370 374 388 389 403 425 468 548 624 2104 and 2107 of to add Section 632 to and to repeal Sections 322 1 355 1 417 and 622 2 of the Streets 1985 1986 Session of the Legislature Statutes of California State of California Ch 928 p 3215 3216 Staff January 9 1977 State 75 Freeway Becomes 117 The San Diego Union p B6 OCLC 13155544 Staff October 30 1981 Traffic Is Key Issue In Coronado The San Diego Union p B3 OCLC 13155544 Desick S A June 17 1981 Despite A Few Howls Coronado Tightens Dog Control Rules The San Diego Union p B3 OCLC 13155544 Arner Mark August 3 1992 Traffic logjams feared this winter as Coronado Bridge is renovated The San Diego Union Tribune p B3 OCLC 25257675 Arner Mark January 22 1993 Coronado Bridge project behind schedule The San Diego Union Tribune p B2 OCLC 25257675 a b Graham David E June 28 2012 Coronado Bridge comes to end of era The San Diego Union Tribune p B2 OCLC 25257675 Coronado to monitor effects of added toll booth Evening Tribune San Diego September 8 1987 p B4 OCLC 37687666 Zuninga Janine October 2 2005 Enforcement of 25 mph limit in Coronado to begin Oct 11 The San Diego Union Tribune p B1 OCLC 25257675 Ziga Janine June 8 2006 Contract approved to lobby for tunnel The San Diego Union Tribune p B2 OCLC 25257675 Zuninga Janine October 9 2004 Coronado dealing with its traffic Tunnel among study proposals The San Diego Union Tribune p B3 OCLC 25257675 Coronado Proposition H fails The San Diego Union Tribune June 9 2010 Retrieved August 10 2012 Zuninga Janine May 27 2010 Rhetoric heats up on Coronado tunnel issue The San Diego Union Tribune Retrieved August 10 2012 Fry Wendy July 17 2010 Council votes to kill study of tunnel The San Diego Union Tribune Retrieved August 10 2012 Zuniga Janine June 22 2003 Residents seek to beautify image of Palm Avenue The San Diego Union Tribune p B4 OCLC 25257675 Zuniga Janine May 11 2005 Improvement cash touted San Diego has its eye on struggling Palm Avenue The San Diego Union Tribune p B1 OCLC 25257675 Ziga Janine May 31 2008 City gives green light to Palm Avenue revival The San Diego Union Tribune p SZ1 OCLC 25257675 Ziga Janine March 12 2009 Palm Avenue makeover planned as main street The San Diego Union Tribune p SZ1 OCLC 25257675 Poythress Katherine September 6 2012 Go slow Imperial Beach tells state U T San Diego p SZ1 OCLC 25257675 California Department of Transportation October 2018 Log of Bridges on State Highways Sacramento California Department of Transportation External links Edit Wikimedia Commons has media related to California State Route 75 Route map KML file edit help Template Attached KML California State Route 75KML is from Wikidata California AARoads com State Route 75 Caltrans Route 75 highway conditions California Highways SR 75 Retrieved from https en wikipedia org w index php title California State Route 75 amp oldid 1089883062, wikipedia, wiki, book, books, library,

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