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M-21 (Michigan highway)

May 08, 2024

M-21 is an east–west state trunkline highway in the US state of Michigan connecting the cities of Grand Rapids and Flint. The highway passes through rural farming country and several small towns along its course through the Lower Peninsula. Following the course of a handful of rivers, M-21 also connects some of the state's freeways like Interstate 96 (I-96), US Highway 127 (US 127) and I-75. The highway is used by between 1,700 and 36,000 vehicles daily.

M-21

M-21 is highlighted in red
Route information
Maintained by MDOT
Length99.322 mi[1] (159.843 km)
Existedc. July 1, 1919[2]–present
Major junctions
West end M-37 in Grand Rapids
Major intersections
East end I-475 in Flint
Location
CountryUnited States
StateMichigan
CountiesKent, Ionia, Clinton, Shiawassee, Genesee
Highway system
← M-20M-21, M-21A→ M-22
← M-56M-56→ M-57

M-21 was designated along the highway by July 1, 1919 between Ionia and Goodells near Port Huron. Changes made in the 1920s extended it on the west end to Holland and on the east end to Port Huron. M-21 was truncated at both of its current termini as two Interstate freeways were completed. I-196 functionally replaced M-21 between Holland and Grand Rapids with a portion retained under state maintenance as Old M-21, now M-121. I-69 replaced M-21 from Flint to Port Huron. A section of M-21 through Flint became M-56. That designation was decommissioned in 1984 when M-21 was returned to its former routing in Flint.

Route description edit

M-21 starts on Fulton Street at a junction with M-37 (East Beltline Avenue) on the east side of greater Grand Rapids. Fulton passes through residential areas on this side of town, and crosses over I-96. Continuing east, the highway passes the headquarters of Amway and crosses the Grand River near its confluence with the Thornapple River in Ada. M-21 runs long the north back of the Grand, turning southeasterly and east to Lowell. The roadway passes through downtown and over the Flat River near its confluence with the Grand. M-21 runs east of town through the southern end of the Lowell State Gaming Area and crosses into Ionia County.[3][4]

The road follows Bluewater Highway along the river, passing to the north of Saranac. It turns northeasterly through lightly forested farmland passing Bertha Brock Park as it approaches the city of Ionia. In town, M-66 runs concurrently along M-21 for a few blocks in the central business district. Bluewater Highway leaves town and continues along the Grand River to Muir, and the trunkline crosses the Maple River on east side of town. M-21 follows the course of the Maple briefly before turning east through farms along the Stony Creek to Pewamo. The highway bypasses the village to the south and crosses into Clinton County near the eastern edge of town. Western Clinton County's landscape is dominated by farms, interrupted by the community of Fowler. The highway enters the county seat, St. Johns on State Street, passing through a residential section of town. In the middle of downtown, M-21 intersects 2nd Street, which carries Business US Highway 127 (Bus. US 127). East of downtown, M-21 passes back into agricultural land and under the US 127 freeway. The landscape is once again dominated by these farms through the western side of the county.[3][4]

M-21 passes into the community of Ovid and over the county line into Shiawassee County. Continuing east through the county, the highway enters Owosso. The trunkline follows Main Street into downtown and crosses the Shiawassee River between junctions with M-52 and M-71 in Owosso. M-21 runs roughly parallel to the river out into the country side. The remainder of the county is the same, dominated by farmland along a straight stretch of flat highway. North of Lennon, M-21 meets M-13 at an intersection on the Shiawassee–Genesee county line. The landscape starts to transition to residential subdivisions as the roadway approaches the Flint area.

In Flint Township, M-21 follows Corunna Road and meets I-75/US 23 at exit 118.[3][4] The road crosses a former branch line of the Canadian National Railway (converted into a bicycle trail) east of the interchange.[5] Corunna Road angles to the northeast near Bradley Avenue and terminates at Court Street. The trunkline turns east and follows Court over a tributary of the Flint River near Aldrich Park. Northeast of the stream, M-21 splits along a one-way pairing of Court and 5th streets. Eastbound traffic follows 5th Street past the city and county buildings in the area. The highway passes over I-475 and terminates at the east frontage road. Traffic connecting between M-21 and I-475 must use the frontage roads to make the connection.[3][4]

All of M-21, except for some segments just outside Grand Rapids and Flint, along with the highway split into two one-way streets inside Flint, is undivided surface road; none of M-21 is freeway.[3] The section between I-75/US 23 and Saginaw Street in Flint is part of the National Highway System,[6] a network of roadways important to the nation's economy, defense, and mobility.[7] M-21, like all state highways, is maintained by the Michigan Department of Transportation (MDOT). As part of these responsibilities, the department tracks traffic volumes along its highways. They use a metric called average annual daily traffic (AADT), which is a calculation of the average traffic along a segment of roadway for any average day of the year. Traffic volumes in 2009 vary from 22,756 vehicles in the Forest Hills neighborhood east of Grand Rapids to 1,719 vehicles in Pewamo daily. MDOT reported that the peak AADT was 36,053 vehicles daily near the I-75 interchange in the Flint area.[8]

History edit

Before the Interstate era, M-21 extended across the entire Lower Peninsula, from the junction with US 31 in Holland near Lake Michigan east to the St. Clair River at Port Huron, and crossed into Canada where the Blue Water Bridge is currently located.[9]

M-21 was designated by July 1, 1919 on a routing from Ionia to Goodells. Along the way, it ran through Lyons and Pewamo, joining its current routing to Ovid. M-21 continued through Corunna to Lennon and Flint. There it joined its last routing between Flint and the Port Huron area.[2] The highway was extended to Port Huron by 1924,[10] and the west end was extended to Grand Rapids in 1925 along M-16 (later US 16). The previous routing through Owosso and Lennon was redesignated as M-71 at this time when M-21 was shifted along the current routing between the two communities.[11] The 1926 creation of the United States Highway System led to the extension of M-21 along US 16 to Grand Rapids. From there west, M-21 replaced M-51 on Chicago Drive to Holland.[12] The highway was moved to a new routing between Flint and Lapeer in 1929; the old route was renumbered M-21A.[13][14] All in-city portions of M-21 were transferred to state control in 1931 with the passage of the Dykstra Act of 1931 (PA 131 of 1931).[15]

A Bypass M-21 (Byp. M-21) designation was created in the Grand Rapids area in 1945. This designation ran from the corner of 28th Street and Chicago Drive along Byp. US 16 and Byp. US 131 on 28th Street. At East Beltline Avenue, Byp. US 131/Byp. M-21 turned north back to M-21.[16] M-21A in Flint was turned over to local control in 1948, decommissioning the number.[17][18] The Byp. M-21 routing was replaced by M-21 in 1953. The former routing in Grand Rapids became Bus. M-21 instead.[19][20]

A bypass of Zeeland opened in 1958, rerouting M-21 around the town.[21] The I-196 freeway opened through Grand Rapids in 1964, and M-21 was routed along the freeway between Chicago Drive in Grandville and downtown, using I-96 to complete the connection to its previous routing on Fulton Street.[22][23]

The first freeway segment of M-21 on the east end was built from Wadhams to Port Huron in 1966.[24][25] A freeway segment between Flint and Lapeer opened in 1971. M-21 was routed down M-13 to the new freeway where it joined the M-78 designation from M-13 east. The section of M-21 formerly between M-13 and Bus. M-54 was redesignated M-56.[26][27] The M-78 designation was replaced by I-69 in 1973 after I-69 was extended north from Charlotte.[28][29] The 1974 completion of I-196 meant the truncation of M-21 to end in Grand Rapids. At the time, M-21 was extended along Fulton Street to the East Beltline, and the business loop was truncated into a spur route redesignated BS I-196.[30] The remaining segment of freeway connecting Flint with Port Huron opened in 1984 as I-69, and M-21 was shortened to Flint. M-56 was replaced by M-21 at this time as well. The former M-21 in Port Huron became BL I-69, and the remainder was turned back to local control.[31][32]

Major intersections edit

CountyLocationmi[1]kmDestinationsNotes
KentGrand Rapids Township0.0000.000  M-37 (East Beltline Avenue)
0.610–
0.639		0.982–
1.028		 
  I-96 west – Muskegon		Exit 39 on I-96; access to M-21 from eastbound I-96 and from M-21 to westbound I-96 only
IoniaIonia27.86744.848 
  M-66 north (State Street) – Lake City		Western end of M-66 concurrency
28.04545.134 
  M-66 south (Dexter Street) – Battle Creek		Eastern end of M-66 concurrency
ClintonSt. Johns55.24988.915 
  Bus. US 127 (Whittemore Street) – Clare, Lansing
Bingham Township56.871–
57.038		91.525–
91.794		  US 127 – Clare, LansingExit 96 on US 127
ShiawasseeOwosso74.240119.478  M-52 (Shiawassee Street) – Saginaw, Webberville
74.552119.980 
  M-71 east (Water Street) – Durand		Western terminus of M-71
Shiawassee–Genesee county lineVenice–Clayton township line86.817139.718  M-13 (Sheridan Road) – Saginaw, Lennon
GeneseeFlint Township95.895–
95.908		154.328–
154.349		   I-75 / US 23 – Saginaw, Detroit, Ann ArborExit 118 on I-75/US 23
Flint99.322159.843  I-475 – Saginaw, Detroit Roadway continues as Court Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Related trunklines edit

M-21A edit

 

M-21A

LocationFlint–Davison
Length9.033 mi[1] (14.537 km)
Existed1929[13][14]–Late 1948[17][33]

M-21A was an alternate route for M-21 near Flint. It started at an intersection between M-21 (Court Street) and US 10 (Dort Highway) and ran southward concurrently with US 10 to Lapeer Road. The highway turned eastward along Lapeer Road and out of the city of Flint. It continued to an intersection with M-15 south of Davison, where it turned northward, running concurrently with M-15 into downtown. At an intersection with M-21 at Flint Street, M-21A ended.[17] The highway was created in 1929,[13][14] and it was turned over to local control in late 1948.[17][33]

Major intersections
The entire highway was in Genesee County.

Locationmi[1]kmDestinationsNotes
Flint0.0000.000 
  
  US 10 west (Dort Highway) / M-21 east
 
  M-21 west (Court Street)		Northern end of US 10 concurrency
0.7091.141  US 10 (Dort Highway) – Saginaw, Detroit
Lapeer Road		Southern end of US 10 concurrency; roadway continues westward as Lapeer Road
Davison Township7.65212.315 
  M-15 south
Lapeer Road		Southern end of M-15 concurrency; roadway continues eastward as Lapeer Road
Davison9.03314.537 
  M-15 north – Bay City
  M-21 (Flint Street) – Flint, Port Huron		Northern end of M-15 concurrency
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Bypass M-21 edit

 

 

Bypass M-21

LocationKent County
Length12.005 mi[1] (19.320 km)
ExistedBy 1945[16]–1953[19][20]

Bypass M-21 (Byp. M-21) was a bypass route of M-21 in Kent County. It started at the intersection between M-21 (Chicago Drive) and 28th Street in Grandville. From there, it was routed eastward along 28th Street running concurrently with Byp. US 16. At the intersection with US 131 (Division Avenue) on the Wyoming–Paris township line, a Byp. US 131 started and ran concurrently eastward along 28th Street. Byp. US 16/Byp. US 131/Byp. M-21 continued along 28th Street in Paris Township to an intersection with Kalamazoo Avenue where M-37 turned off Kalamazoo and onto 28th Street. Further east, 28th Street and East Beltline Avenue intersected. At that junction, Byp. US 131/Byp. M-21 turned northward along East Beltline while M-37 turned south and Byp. US 16 continued eastward on 28th Street. Running northward in Grand Rapids Township, Byp. US 131/Byp. M-21 intersected US 16/M-50 at Cascade Road before Byp. M-21 terminated at the intersection with M-21 (Fulton Street).[19]

During World War II, the state was building a beltline system for Grand Rapids. This highway, numbered M-114 was decommissioned by 1945 and the streets that composed it were given new designations. Byp. M-21 was routed along 28th Street from Grandville to Paris Township and along East Beltline into Grand Rapids Township.[16] In 1953, the mainline M-21 was rerouted to replace its bypass around downtown, decommissioning the Byp. M-21 designation.[19][20]

Major intersections
The entire highway was in Kent County.

Locationmi[1]kmDestinationsNotes
Grandville0.0000.000  M-21 (Chicago Drive) – Holland, Grand Rapids
 
  Byp. US 16 (28th Street) – Muskegon		Western end of Byp. US 16 concurrency
Wyoming–Paris township line4.2956.912  US 131 (Division Street) – Grand Rapids, Kalamazoo
 
 
  Byp. US 131 north		Western end of Byp. US 131 concurrency
Paris Township6.21910.009 
  M-37 north (Kalamazoo Avenue) – Grand Rapids		Western end of M-37 concurrency
8.48313.652 
 
  Byp. US 16 east (28th Street) – Lansing
 
  M-37 south – Battle Creek		Eastern end of Byp. US 16 and M-37 concurrencies
Grand Rapids Township11.57218.623   US 16 / M-50 (Cascade Road) – Grand Rapids, Lansing
12.00519.320  M-21 (Fulton Street) – Grand Rapids, Flint
 
 
  Byp. US 131 north (East Beltline Avenue) – Cadillac		Northern end of Byp. US 131 concurrency
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Business M-21 edit

 

 

Business M-21

LocationGrandville–Grand Rapids
Length6.749 mi[1] (10.861 km)
Existed1953[19][20]–1974[29][30]

Business M-21 (Bus. M-21) was a business route of M-21 in the Grand Rapids area. It started at an interchange between Chicago Drive and I-196/M-21 in Grandville and followed Chicago Drive easterly through downtown Grandville. From there, the highway ran along industrial areas on the north side of Wyoming, running parallel to the I-196 freeway. At the intersection with Clyde Park Avenue, Bus. M-21 turned northward along Grandville Avenue and entered the city of Grand Rapids. At Franklin Street, the business route turned eastward and terminated at US 131.[29]

In 1953, M-21 was rerouted to replace its bypass route. The former route through downtown Grand Rapids was redesignated as Bus. M-21. At the time, Bus. M-21 continued eastward along Franklin Street before turning northward on Eastern Avenue into downtown Grand Rapids. Once there, it followed Fulton Street eastward through East Grand Rapids and into Grand Rapids Township where it terminated at East Beltline Avenue.[19][20] The business loop was truncated to US 131 in 1972,[34][35] and then redesignated as BS I-196 in 1974.[29][30]

Major intersections
The entire highway was in Kent County.

Locationmi[1]kmDestinationsNotes
Grandville0.0000.000   I-196 / M-21 – Holland, Grand Rapids
Chicago Drive		Roadway continues westward on Chicago Drive as an unsigned state trunkline highway
1.6612.67328th StreetGrade separation with a ramp from eastbound Chicago Drive to eastbound 28th Street; remaining connections are made via Wallace Avenue
Wyoming3.1265.031   I-196 / M-21 – HollandWestbound exit to, and eastbound entrance from, I-196
5.4378.750Clyde Park AvenueEastern end of Chicago Drive and southern end of Grandville Avenue sections of Bus. M-21
Grand Rapids6.740–
6.749		10.847–
10.861		  US 131 – Grand Rapids, Kalamazoo
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

M-56 edit

 

M-56

LocationGenesee County
Length12.726 mi[1] (20.481 km)
Existed1971[26][27]–1984[31][32]

M-56 was a state trunkline highway from 1971 to the mid-1980s that replaced the M-21 designation from M-13 to Flint when the M-21 (now I-69) freeway was being built. The highway started at the intersection with M-13 on the Shiawassee–Genesee county line west of Flint. From there, it followed Corunna Road eastward through rural areas of Genesee County. Today, the area is farm fields through Clayton Township, and in Flint Township it is more suburban. The highway intersected the I-75/US 10/US 23 freeway just west of Flint's city line. Once in Flint, M-56 turned northeasterly onto Court Street. At an intersection with Saginaw Street, the highway turned southeasterly and then ended at the I-69/M-21 freeway.[31][36]

In 1971, M-21 was rerouted in the Flint area. After the change, it turned south along M-13 on the Shiawassee–Genesee county line to the M-78 freeway and then routed eastward to replace M-78. The former routing of M-21 on the western side of the county into downtown was redesignated M-56.[26][27] When the M-21 designation was replaced with the I-69 designation in 1984, the M-56 designation was retired and M-21 was restored in its place.[31][32]

Major intersections

CountyLocationmi[1]kmDestinationsNotes
Shiawassee–Genesee county lineVenice–Clayton township line0.0000.000  
  M-13 / M-21 east – Saginaw, Lennon, Flint
 
  M-21 west – Grand Rapids
GeneseeFlint Township9.078–
9.091		14.610–
14.631		    I-75 / US 10 / US 23 – Saginaw, Detroit, Ann ArborExit 118 on I-75//US 10/US 23
Flint12.715–
12.726		20.463–
20.481		 
  
  I-69 east / M-21 east – Lansing, Port Huron		Eastbound entrance to, and westbound exit from, I-69/M-21; other connections made through service drives
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also edit

References edit

  1. ^ a b c d e f g h i j Michigan Department of Transportation (2021). Next Generation PR Finder (Map). Michigan Department of Transportation. Retrieved October 11, 2021.
  2. ^ a b Michigan State Highway Department (July 1, 1919). State of Michigan (Map). Scale not given. Lansing: Michigan State Highway Department. Lower Peninsula sheet. OCLC 15607244. Retrieved October 17, 2019 – via Michigan History Center.
  3. ^ a b c d e Michigan Department of Transportation (2010). Uniquely Michigan: Official Department of Transportation Map (Map). c. 1:975,000. Lansing: Michigan Department of Transportation. §§ L9–K12. OCLC 42778335, 639960603.
  4. ^ a b c d Google (February 21, 2011). "Overview Map of M-21" (Map). Google Maps. Google. Retrieved February 21, 2011.
  5. ^ Michigan Department of Transportation (April 2009). Michigan's Railroad System (PDF) (Map). Lansing: Michigan Department of Transportation. Retrieved September 14, 2010.
  6. ^ Michigan Department of Transportation (April 23, 2006). (PDF) (Map). Lansing: Michigan Department of Transportation. Archived from the original (PDF) on October 4, 2012. Retrieved October 7, 2008.
  7. ^ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Federal Highway Administration. Retrieved July 1, 2012.
  8. ^ Bureau of Transportation Planning (2008). "Traffic Monitoring Information System". Michigan Department of Transportation. Retrieved February 21, 2011.
  9. ^ Michigan State Highway Department (April 15, 1950). Michigan Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ L8–L14. OCLC 12701120.
  10. ^ Michigan State Highway Department (May 15, 1924). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department.
  11. ^ Michigan State Highway Department (September 1, 1925). (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department. Archived from the original on May 10, 2017. Retrieved December 18, 2016 – via Archives of Michigan.
  12. ^ Michigan State Highway Department (December 1, 1926). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department.
  13. ^ a b c Michigan State Highway Department (May 1, 1929). Official Highway Service Map (Map). [c. 1:810,000]. Lansing: Michigan State Highway Department. OCLC 12701195, 79754957.
  14. ^ a b c Michigan State Highway Department & H.M. Gousha (January 1, 1930). Official Highway Service Map (Map). [c. 1:810,000]. Lansing: Michigan State Highway Department. OCLC 12701195, 79754957.
  15. ^ Public Act 131 of 1931. Michigan Legislature.
  16. ^ a b c Michigan State Highway Department (October 1, 1945). Official Highway Map of Michigan (Map). Scale not given. Lansing: Michigan State Highway Department. Grand Rapids inset. OCLC 554645076.
  17. ^ a b c d Michigan State Highway Department (July 1, 1948). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ K12–K13. OCLC 12701120. Retrieved October 17, 2019 – via Michigan History Center.
  18. ^ Michigan State Highway Department (April 1, 1949). Michigan Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ K12–K13. OCLC 12701120. Retrieved October 17, 2019 – via Michigan History Center.
  19. ^ a b c d e f Michigan State Highway Department (April 15, 1953). Official Highway Map (Map). Scale not given. Lansing: Michigan State Highway Department. Grand Rapids inset. OCLC 12701120.
  20. ^ a b c d e Michigan State Highway Department (October 1, 1953). Official Highway Map (Map). Scale not given. Lansing: Michigan State Highway Department. Grand Rapids inset. OCLC 12701120. Retrieved October 17, 2019 – via Michigan History Center.
  21. ^ Michigan State Highway Department (1958). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § L8. OCLC 12701120, 51856742. Retrieved October 17, 2019 – via Michigan History Center. (Includes all changes through July 1, 1958)
  22. ^ Michigan State Highway Department (1964). Official Highway Map (Map). Scale not given. Lansing: Michigan State Highway Department. Grand Rapids inset. OCLC 12701120, 81213707. Retrieved October 17, 2019 – via Michigan History Center.
  23. ^ Michigan State Highway Department (1965). Official Highway Map (Map). Scale not given. Lansing: Michigan State Highway Department. Grand Rapids inset. OCLC 12701120. Retrieved October 17, 2019 – via Michigan History Center.
  24. ^ Michigan Department of State Highways (1966). Official Highway Map (Map). Scale not given. Lansing: Michigan Department of State Highways. Port Huron inset. OCLC 12701120. Retrieved October 17, 2019 – via Michigan History Center.
  25. ^ Michigan Department of State Highways (1967). Michigan Water-Winter Wonderland: Official Highway Map (Map). Scale not given. Lansing: Michigan Department of State Highways. Port Huron inset. OCLC 12701120. Retrieved October 17, 2019 – via Michigan History Center.
  26. ^ a b c Michigan Department of State Highways (1971). Michigan, Great Lake State: Official Highway Map (Map). c. 1:918,720. Lansing: Michigan Department of State Highways. § K12. OCLC 12701120, 77960415.
  27. ^ a b c Michigan Department of State Highways (1972). Michigan, Great Lake State: Official Highway Map (Map). c. 1:918,720. Lansing: Michigan Department of State Highways. § K12. OCLC 12701120.
  28. ^ Michigan Department of State Highways (1973). Michigan, Great Lake State: Official Highway Map (Map). c. 1:918,720. Lansing: Michigan Department of State Highways. §§ L10–K12. OCLC 12701120, 81679137. Retrieved October 17, 2019 – via Michigan History Center.
  29. ^ a b c d Michigan Department of State Highways and Transportation (1974). Michigan, Great Lake State: Official Transportation Map (Map). c. 1:918,720. Lansing: Michigan Department of State Highways and Transportation. §§ L10–K12, L8–K9. OCLC 12701177, 83138602. Retrieved October 17, 2019 – via Michigan History Center.
  30. ^ a b c Michigan Department of State Highways and Transportation (1975). Michigan, Great Lake State: Official Transportation Map (Map). c. 1:918,720. Lansing: Michigan Department of State Highways and Transportation. §§ L8–K9. OCLC 12701177, 320798754. Retrieved October 17, 2019 – via Michigan History Center.
  31. ^ a b c d Michigan Department of Transportation (1984). Say Yes to Michigan!: Official Transportation Map (Map). c. 1:918,720. Lansing: Michigan Department of Transportation. §§ K12–K14. OCLC 12701177. Retrieved October 17, 2019 – via Michigan History Center.
  32. ^ a b c Michigan Department of Transportation (1985). Yes Michigan: Official Transportation Map (Map). c. 1:918,720. Lansing: Michigan Department of Transportation. §§ K12–K14. OCLC 12701177. Retrieved October 17, 2019 – via Michigan History Center.
  33. ^ a b Michigan State Highway Department (July 1, 1949). Michigan Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ K12–K13. OCLC 12701120.
  34. ^ Michigan Department of State Highways (1972). Michigan, Great Lake State: Official Highway Map (Map). c. 1:190,080. Lansing: Michigan Department of State Highways. Grand Rapids inset. OCLC 12701120.
  35. ^ Michigan Department of State Highways (1973). Michigan, Great Lake State: Official Highway Map (Map). c. 1:190,080. Lansing: Michigan Department of State Highways. Grand Rapids inset. OCLC 12701120, 81679137. Retrieved October 17, 2019 – via Michigan History Center.
  36. ^ Google (May 19, 2015). "Overview Map of the Former M-56" (Map). Google Maps. Google. Retrieved May 19, 2015.

External links edit

 
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KML file (edit • help)
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  • M-21 at Michigan Highways
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May 08, 2024
michigan, highway, east, west, state, trunkline, highway, state, michigan, connecting, cities, grand, rapids, flint, highway, passes, through, rural, farming, country, several, small, towns, along, course, through, lower, peninsula, following, course, handful,. M 21 is an east west state trunkline highway in the US state of Michigan connecting the cities of Grand Rapids and Flint The highway passes through rural farming country and several small towns along its course through the Lower Peninsula Following the course of a handful of rivers M 21 also connects some of the state s freeways like Interstate 96 I 96 US Highway 127 US 127 and I 75 The highway is used by between 1 700 and 36 000 vehicles daily M 21M 21 is highlighted in redRoute informationMaintained by MDOTLength99 322 mi 1 159 843 km Existedc July 1 1919 2 presentMajor junctionsWest endM 37 in Grand RapidsMajor intersectionsI 96 in Grand Rapids M 66 in Ionia US 127 near St Johns M 52 in Owosso M 13 near Lennon I 75 US 23 near FlintEast endI 475 in FlintLocationCountryUnited StatesStateMichiganCountiesKent Ionia Clinton Shiawassee GeneseeHighway systemMichigan State Trunkline Highway System Interstate US State Byways M 20M 21 M 21A M 22 M 56M 56 M 57 M 21 was designated along the highway by July 1 1919 between Ionia and Goodells near Port Huron Changes made in the 1920s extended it on the west end to Holland and on the east end to Port Huron M 21 was truncated at both of its current termini as two Interstate freeways were completed I 196 functionally replaced M 21 between Holland and Grand Rapids with a portion retained under state maintenance as Old M 21 now M 121 I 69 replaced M 21 from Flint to Port Huron A section of M 21 through Flint became M 56 That designation was decommissioned in 1984 when M 21 was returned to its former routing in Flint Contents 1 Route description 2 History 3 Major intersections 4 Related trunklines 4 1 M 21A 4 2 Bypass M 21 4 3 Business M 21 4 4 M 56 5 See also 6 References 7 External linksRoute description editM 21 starts on Fulton Street at a junction with M 37 East Beltline Avenue on the east side of greater Grand Rapids Fulton passes through residential areas on this side of town and crosses over I 96 Continuing east the highway passes the headquarters of Amway and crosses the Grand River near its confluence with the Thornapple River in Ada M 21 runs long the north back of the Grand turning southeasterly and east to Lowell The roadway passes through downtown and over the Flat River near its confluence with the Grand M 21 runs east of town through the southern end of the Lowell State Gaming Area and crosses into Ionia County 3 4 The road follows Bluewater Highway along the river passing to the north of Saranac It turns northeasterly through lightly forested farmland passing Bertha Brock Park as it approaches the city of Ionia In town M 66 runs concurrently along M 21 for a few blocks in the central business district Bluewater Highway leaves town and continues along the Grand River to Muir and the trunkline crosses the Maple River on east side of town M 21 follows the course of the Maple briefly before turning east through farms along the Stony Creek to Pewamo The highway bypasses the village to the south and crosses into Clinton County near the eastern edge of town Western Clinton County s landscape is dominated by farms interrupted by the community of Fowler The highway enters the county seat St Johns on State Street passing through a residential section of town In the middle of downtown M 21 intersects 2nd Street which carries Business US Highway 127 Bus US 127 East of downtown M 21 passes back into agricultural land and under the US 127 freeway The landscape is once again dominated by these farms through the western side of the county 3 4 M 21 passes into the community of Ovid and over the county line into Shiawassee County Continuing east through the county the highway enters Owosso The trunkline follows Main Street into downtown and crosses the Shiawassee River between junctions with M 52 and M 71 in Owosso M 21 runs roughly parallel to the river out into the country side The remainder of the county is the same dominated by farmland along a straight stretch of flat highway North of Lennon M 21 meets M 13 at an intersection on the Shiawassee Genesee county line The landscape starts to transition to residential subdivisions as the roadway approaches the Flint area In Flint Township M 21 follows Corunna Road and meets I 75 US 23 at exit 118 3 4 The road crosses a former branch line of the Canadian National Railway converted into a bicycle trail east of the interchange 5 Corunna Road angles to the northeast near Bradley Avenue and terminates at Court Street The trunkline turns east and follows Court over a tributary of the Flint River near Aldrich Park Northeast of the stream M 21 splits along a one way pairing of Court and 5th streets Eastbound traffic follows 5th Street past the city and county buildings in the area The highway passes over I 475 and terminates at the east frontage road Traffic connecting between M 21 and I 475 must use the frontage roads to make the connection 3 4 All of M 21 except for some segments just outside Grand Rapids and Flint along with the highway split into two one way streets inside Flint is undivided surface road none of M 21 is freeway 3 The section between I 75 US 23 and Saginaw Street in Flint is part of the National Highway System 6 a network of roadways important to the nation s economy defense and mobility 7 M 21 like all state highways is maintained by the Michigan Department of Transportation MDOT As part of these responsibilities the department tracks traffic volumes along its highways They use a metric called average annual daily traffic AADT which is a calculation of the average traffic along a segment of roadway for any average day of the year Traffic volumes in 2009 vary from 22 756 vehicles in the Forest Hills neighborhood east of Grand Rapids to 1 719 vehicles in Pewamo daily MDOT reported that the peak AADT was 36 053 vehicles daily near the I 75 interchange in the Flint area 8 History editBefore the Interstate era M 21 extended across the entire Lower Peninsula from the junction with US 31 in Holland near Lake Michigan east to the St Clair River at Port Huron and crossed into Canada where the Blue Water Bridge is currently located 9 M 21 was designated by July 1 1919 on a routing from Ionia to Goodells Along the way it ran through Lyons and Pewamo joining its current routing to Ovid M 21 continued through Corunna to Lennon and Flint There it joined its last routing between Flint and the Port Huron area 2 The highway was extended to Port Huron by 1924 10 and the west end was extended to Grand Rapids in 1925 along M 16 later US 16 The previous routing through Owosso and Lennon was redesignated as M 71 at this time when M 21 was shifted along the current routing between the two communities 11 The 1926 creation of the United States Highway System led to the extension of M 21 along US 16 to Grand Rapids From there west M 21 replaced M 51 on Chicago Drive to Holland 12 The highway was moved to a new routing between Flint and Lapeer in 1929 the old route was renumbered M 21A 13 14 All in city portions of M 21 were transferred to state control in 1931 with the passage of the Dykstra Act of 1931 PA 131 of 1931 15 A Bypass M 21 Byp M 21 designation was created in the Grand Rapids area in 1945 This designation ran from the corner of 28th Street and Chicago Drive along Byp US 16 and Byp US 131 on 28th Street At East Beltline Avenue Byp US 131 Byp M 21 turned north back to M 21 16 M 21A in Flint was turned over to local control in 1948 decommissioning the number 17 18 The Byp M 21 routing was replaced by M 21 in 1953 The former routing in Grand Rapids became Bus M 21 instead 19 20 A bypass of Zeeland opened in 1958 rerouting M 21 around the town 21 The I 196 freeway opened through Grand Rapids in 1964 and M 21 was routed along the freeway between Chicago Drive in Grandville and downtown using I 96 to complete the connection to its previous routing on Fulton Street 22 23 The first freeway segment of M 21 on the east end was built from Wadhams to Port Huron in 1966 24 25 A freeway segment between Flint and Lapeer opened in 1971 M 21 was routed down M 13 to the new freeway where it joined the M 78 designation from M 13 east The section of M 21 formerly between M 13 and Bus M 54 was redesignated M 56 26 27 The M 78 designation was replaced by I 69 in 1973 after I 69 was extended north from Charlotte 28 29 The 1974 completion of I 196 meant the truncation of M 21 to end in Grand Rapids At the time M 21 was extended along Fulton Street to the East Beltline and the business loop was truncated into a spur route redesignated BS I 196 30 The remaining segment of freeway connecting Flint with Port Huron opened in 1984 as I 69 and M 21 was shortened to Flint M 56 was replaced by M 21 at this time as well The former M 21 in Port Huron became BL I 69 and the remainder was turned back to local control 31 32 Major intersections editCountyLocationmi 1 kmDestinationsNotes KentGrand Rapids Township0 0000 000 nbsp M 37 East Beltline Avenue 0 610 0 6390 982 1 028 nbsp nbsp I 96 west MuskegonExit 39 on I 96 access to M 21 from eastbound I 96 and from M 21 to westbound I 96 only IoniaIonia27 86744 848 nbsp nbsp M 66 north State Street Lake CityWestern end of M 66 concurrency 28 04545 134 nbsp nbsp M 66 south Dexter Street Battle CreekEastern end of M 66 concurrency ClintonSt Johns55 24988 915 nbsp nbsp Bus US 127 Whittemore Street Clare Lansing Bingham Township56 871 57 03891 525 91 794 nbsp US 127 Clare LansingExit 96 on US 127 ShiawasseeOwosso74 240119 478 nbsp M 52 Shiawassee Street Saginaw Webberville 74 552119 980 nbsp nbsp M 71 east Water Street DurandWestern terminus of M 71 Shiawassee Genesee county lineVenice Clayton township line86 817139 718 nbsp M 13 Sheridan Road Saginaw Lennon GeneseeFlint Township95 895 95 908154 328 154 349 nbsp nbsp I 75 US 23 Saginaw Detroit Ann ArborExit 118 on I 75 US 23 Flint99 322159 843 nbsp I 475 Saginaw DetroitRoadway continues as Court Street 1 000 mi 1 609 km 1 000 km 0 621 mi Concurrency terminus Incomplete accessRelated trunklines editM 21A edit nbsp M 21ALocationFlint DavisonLength9 033 mi 1 14 537 km Existed1929 13 14 Late 1948 17 33 M 21A was an alternate route for M 21 near Flint It started at an intersection between M 21 Court Street and US 10 Dort Highway and ran southward concurrently with US 10 to Lapeer Road The highway turned eastward along Lapeer Road and out of the city of Flint It continued to an intersection with M 15 south of Davison where it turned northward running concurrently with M 15 into downtown At an intersection with M 21 at Flint Street M 21A ended 17 The highway was created in 1929 13 14 and it was turned over to local control in late 1948 17 33 Major intersections The entire highway was in Genesee County Locationmi 1 kmDestinationsNotes Flint0 0000 000 nbsp nbsp nbsp nbsp US 10 west Dort Highway M 21 east nbsp nbsp M 21 west Court Street Northern end of US 10 concurrency 0 7091 141 nbsp US 10 Dort Highway Saginaw DetroitLapeer RoadSouthern end of US 10 concurrency roadway continues westward as Lapeer Road Davison Township7 65212 315 nbsp nbsp M 15 southLapeer RoadSouthern end of M 15 concurrency roadway continues eastward as Lapeer Road Davison9 03314 537 nbsp nbsp M 15 north Bay City nbsp M 21 Flint Street Flint Port HuronNorthern end of M 15 concurrency 1 000 mi 1 609 km 1 000 km 0 621 mi Concurrency terminus Bypass M 21 edit nbsp nbsp Bypass M 21LocationKent CountyLength12 005 mi 1 19 320 km ExistedBy 1945 16 1953 19 20 Bypass M 21 Byp M 21 was a bypass route of M 21 in Kent County It started at the intersection between M 21 Chicago Drive and 28th Street in Grandville From there it was routed eastward along 28th Street running concurrently with Byp US 16 At the intersection with US 131 Division Avenue on the Wyoming Paris township line a Byp US 131 started and ran concurrently eastward along 28th Street Byp US 16 Byp US 131 Byp M 21 continued along 28th Street in Paris Township to an intersection with Kalamazoo Avenue where M 37 turned off Kalamazoo and onto 28th Street Further east 28th Street and East Beltline Avenue intersected At that junction Byp US 131 Byp M 21 turned northward along East Beltline while M 37 turned south and Byp US 16 continued eastward on 28th Street Running northward in Grand Rapids Township Byp US 131 Byp M 21 intersected US 16 M 50 at Cascade Road before Byp M 21 terminated at the intersection with M 21 Fulton Street 19 During World War II the state was building a beltline system for Grand Rapids This highway numbered M 114 was decommissioned by 1945 and the streets that composed it were given new designations Byp M 21 was routed along 28th Street from Grandville to Paris Township and along East Beltline into Grand Rapids Township 16 In 1953 the mainline M 21 was rerouted to replace its bypass around downtown decommissioning the Byp M 21 designation 19 20 Major intersections The entire highway was in Kent County Locationmi 1 kmDestinationsNotes Grandville0 0000 000 nbsp M 21 Chicago Drive Holland Grand Rapids nbsp nbsp Byp US 16 28th Street MuskegonWestern end of Byp US 16 concurrency Wyoming Paris township line4 2956 912 nbsp US 131 Division Street Grand Rapids Kalamazoo nbsp nbsp nbsp Byp US 131 northWestern end of Byp US 131 concurrency Paris Township6 21910 009 nbsp nbsp M 37 north Kalamazoo Avenue Grand RapidsWestern end of M 37 concurrency 8 48313 652 nbsp nbsp nbsp Byp US 16 east 28th Street Lansing nbsp nbsp M 37 south Battle CreekEastern end of Byp US 16 and M 37 concurrencies Grand Rapids Township11 57218 623 nbsp nbsp US 16 M 50 Cascade Road Grand Rapids Lansing 12 00519 320 nbsp M 21 Fulton Street Grand Rapids Flint nbsp nbsp nbsp Byp US 131 north East Beltline Avenue CadillacNorthern end of Byp US 131 concurrency 1 000 mi 1 609 km 1 000 km 0 621 mi Concurrency terminus Business M 21 edit nbsp nbsp Business M 21LocationGrandville Grand RapidsLength6 749 mi 1 10 861 km Existed1953 19 20 1974 29 30 Business M 21 Bus M 21 was a business route of M 21 in the Grand Rapids area It started at an interchange between Chicago Drive and I 196 M 21 in Grandville and followed Chicago Drive easterly through downtown Grandville From there the highway ran along industrial areas on the north side of Wyoming running parallel to the I 196 freeway At the intersection with Clyde Park Avenue Bus M 21 turned northward along Grandville Avenue and entered the city of Grand Rapids At Franklin Street the business route turned eastward and terminated at US 131 29 In 1953 M 21 was rerouted to replace its bypass route The former route through downtown Grand Rapids was redesignated as Bus M 21 At the time Bus M 21 continued eastward along Franklin Street before turning northward on Eastern Avenue into downtown Grand Rapids Once there it followed Fulton Street eastward through East Grand Rapids and into Grand Rapids Township where it terminated at East Beltline Avenue 19 20 The business loop was truncated to US 131 in 1972 34 35 and then redesignated as BS I 196 in 1974 29 30 Major intersections The entire highway was in Kent County Locationmi 1 kmDestinationsNotes Grandville0 0000 000 nbsp nbsp I 196 M 21 Holland Grand RapidsChicago DriveRoadway continues westward on Chicago Drive as an unsigned state trunkline highway 1 6612 67328th StreetGrade separation with a ramp from eastbound Chicago Drive to eastbound 28th Street remaining connections are made via Wallace Avenue Wyoming3 1265 031 nbsp nbsp I 196 M 21 HollandWestbound exit to and eastbound entrance from I 196 5 4378 750Clyde Park AvenueEastern end of Chicago Drive and southern end of Grandville Avenue sections of Bus M 21 Grand Rapids6 740 6 74910 847 10 861 nbsp US 131 Grand Rapids Kalamazoo 1 000 mi 1 609 km 1 000 km 0 621 mi Incomplete access M 56 edit nbsp M 56LocationGenesee CountyLength12 726 mi 1 20 481 km Existed1971 26 27 1984 31 32 M 56 was a state trunkline highway from 1971 to the mid 1980s that replaced the M 21 designation from M 13 to Flint when the M 21 now I 69 freeway was being built The highway started at the intersection with M 13 on the Shiawassee Genesee county line west of Flint From there it followed Corunna Road eastward through rural areas of Genesee County Today the area is farm fields through Clayton Township and in Flint Township it is more suburban The highway intersected the I 75 US 10 US 23 freeway just west of Flint s city line Once in Flint M 56 turned northeasterly onto Court Street At an intersection with Saginaw Street the highway turned southeasterly and then ended at the I 69 M 21 freeway 31 36 In 1971 M 21 was rerouted in the Flint area After the change it turned south along M 13 on the Shiawassee Genesee county line to the M 78 freeway and then routed eastward to replace M 78 The former routing of M 21 on the western side of the county into downtown was redesignated M 56 26 27 When the M 21 designation was replaced with the I 69 designation in 1984 the M 56 designation was retired and M 21 was restored in its place 31 32 Major intersections CountyLocationmi 1 kmDestinationsNotes Shiawassee Genesee county lineVenice Clayton township line0 0000 000 nbsp nbsp nbsp M 13 M 21 east Saginaw Lennon Flint nbsp nbsp M 21 west Grand Rapids GeneseeFlint Township9 078 9 09114 610 14 631 nbsp nbsp nbsp I 75 US 10 US 23 Saginaw Detroit Ann ArborExit 118 on I 75 US 10 US 23 Flint12 715 12 72620 463 20 481 nbsp nbsp nbsp nbsp I 69 east M 21 east Lansing Port HuronEastbound entrance to and westbound exit from I 69 M 21 other connections made through service drives 1 000 mi 1 609 km 1 000 km 0 621 mi Incomplete accessSee also edit nbsp Michigan Highways portalReferences edit a b c d e f g h i j Michigan Department of Transportation 2021 Next Generation PR Finder Map Michigan Department of Transportation Retrieved October 11 2021 a b Michigan State Highway Department July 1 1919 State of Michigan Map Scale not given Lansing Michigan State Highway Department Lower Peninsula sheet OCLC 15607244 Retrieved October 17 2019 via Michigan History Center a b c d e Michigan Department of Transportation 2010 Uniquely Michigan Official Department of Transportation Map Map c 1 975 000 Lansing Michigan Department of Transportation L9 K12 OCLC 42778335 639960603 a b c d Google February 21 2011 Overview Map of M 21 Map Google Maps Google Retrieved February 21 2011 Michigan Department of Transportation April 2009 Michigan s Railroad System PDF Map Lansing Michigan Department of Transportation Retrieved September 14 2010 Michigan Department of Transportation April 23 2006 National Highway System Michigan PDF Map Lansing Michigan Department of Transportation Archived from the original PDF on October 4 2012 Retrieved October 7 2008 Natzke Stefan Neathery Mike amp Adderly Kevin June 20 2012 What is the National Highway System National Highway System Federal Highway Administration Retrieved July 1 2012 Bureau of Transportation Planning 2008 Traffic Monitoring Information System Michigan Department of Transportation Retrieved February 21 2011 Michigan State Highway Department April 15 1950 Michigan Official Highway Map Map c 1 918 720 Lansing Michigan State Highway Department L8 L14 OCLC 12701120 Michigan State Highway Department May 15 1924 Official Highway Condition Map Map c 1 823 680 Lansing Michigan State Highway Department Michigan State Highway Department September 1 1925 Official Highway Condition Map Map c 1 823 680 Lansing Michigan State Highway Department Archived from the original on May 10 2017 Retrieved December 18 2016 via Archives of Michigan Michigan State Highway Department December 1 1926 Official Highway Condition Map Map c 1 823 680 Lansing Michigan State Highway Department a b c Michigan State Highway Department May 1 1929 Official Highway Service Map Map c 1 810 000 Lansing Michigan State Highway Department OCLC 12701195 79754957 a b c Michigan State Highway Department amp H M Gousha January 1 1930 Official Highway Service Map Map c 1 810 000 Lansing Michigan State Highway Department OCLC 12701195 79754957 Public Act 131 of 1931 Michigan Legislature a b c Michigan State Highway Department October 1 1945 Official Highway Map of Michigan Map Scale not given Lansing Michigan State Highway Department Grand Rapids inset OCLC 554645076 a b c d Michigan State Highway Department July 1 1948 Official Highway Map Map c 1 918 720 Lansing Michigan State Highway Department K12 K13 OCLC 12701120 Retrieved October 17 2019 via Michigan History Center Michigan State Highway Department April 1 1949 Michigan Official Highway Map Map c 1 918 720 Lansing Michigan State Highway Department K12 K13 OCLC 12701120 Retrieved October 17 2019 via Michigan History Center a b c d e f Michigan State Highway Department April 15 1953 Official Highway Map Map Scale not given Lansing Michigan State Highway Department Grand Rapids inset OCLC 12701120 a b c d e Michigan State Highway Department October 1 1953 Official Highway Map Map Scale not given Lansing Michigan State Highway Department Grand Rapids inset OCLC 12701120 Retrieved October 17 2019 via Michigan History Center Michigan State Highway Department 1958 Official Highway Map Map c 1 918 720 Lansing Michigan State Highway Department L8 OCLC 12701120 51856742 Retrieved October 17 2019 via Michigan History Center Includes all changes through July 1 1958 Michigan State Highway Department 1964 Official Highway Map Map Scale not given Lansing Michigan State Highway Department Grand Rapids inset OCLC 12701120 81213707 Retrieved October 17 2019 via Michigan History Center Michigan State Highway Department 1965 Official Highway Map Map Scale not given Lansing Michigan State Highway Department Grand Rapids inset OCLC 12701120 Retrieved October 17 2019 via Michigan History Center Michigan Department of State Highways 1966 Official Highway Map Map Scale not given Lansing Michigan Department of State Highways Port Huron inset OCLC 12701120 Retrieved October 17 2019 via Michigan History Center Michigan Department of State Highways 1967 Michigan Water Winter Wonderland Official Highway Map Map Scale not given Lansing Michigan Department of State Highways Port Huron inset OCLC 12701120 Retrieved October 17 2019 via Michigan History Center a b c Michigan Department of State Highways 1971 Michigan Great Lake State Official Highway Map Map c 1 918 720 Lansing Michigan Department of State Highways K12 OCLC 12701120 77960415 a b c Michigan Department of State Highways 1972 Michigan Great Lake State Official Highway Map Map c 1 918 720 Lansing Michigan Department of State Highways K12 OCLC 12701120 Michigan Department of State Highways 1973 Michigan Great Lake State Official Highway Map Map c 1 918 720 Lansing Michigan Department of State Highways L10 K12 OCLC 12701120 81679137 Retrieved October 17 2019 via Michigan History Center a b c d Michigan Department of State Highways and Transportation 1974 Michigan Great Lake State Official Transportation Map Map c 1 918 720 Lansing Michigan Department of State Highways and Transportation L10 K12 L8 K9 OCLC 12701177 83138602 Retrieved October 17 2019 via Michigan History Center a b c Michigan Department of State Highways and Transportation 1975 Michigan Great Lake State Official Transportation Map Map c 1 918 720 Lansing Michigan Department of State Highways and Transportation L8 K9 OCLC 12701177 320798754 Retrieved October 17 2019 via Michigan History Center a b c d Michigan Department of Transportation 1984 Say Yes to Michigan Official Transportation Map Map c 1 918 720 Lansing Michigan Department of Transportation K12 K14 OCLC 12701177 Retrieved October 17 2019 via Michigan History Center a b c Michigan Department of Transportation 1985 Yes Michigan Official Transportation Map Map c 1 918 720 Lansing Michigan Department of Transportation K12 K14 OCLC 12701177 Retrieved October 17 2019 via Michigan History Center a b Michigan State Highway Department July 1 1949 Michigan Official Highway Map Map c 1 918 720 Lansing Michigan State Highway Department K12 K13 OCLC 12701120 Michigan Department of State Highways 1972 Michigan Great Lake State Official Highway Map Map c 1 190 080 Lansing Michigan Department of State Highways Grand Rapids inset OCLC 12701120 Michigan Department of State Highways 1973 Michigan Great Lake State Official Highway Map Map c 1 190 080 Lansing Michigan Department of State Highways Grand Rapids inset OCLC 12701120 81679137 Retrieved October 17 2019 via Michigan History Center Google May 19 2015 Overview Map of the Former M 56 Map Google Maps Google Retrieved May 19 2015 External links edit nbsp Wikimedia Commons has media related to M 21 Michigan highway KML file edit help Template Attached KML M 21 Michigan highway KML is from Wikidata M 21 at Michigan Highways Former M 56 at Michigan Highways Retrieved from https en wikipedia org w index php title M 21 Michigan highway amp oldid 1204847852 M 21A, wikipedia, wiki, book, books, library,

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