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Servicio de Transportes Eléctricos

Servicio de Transportes Eléctricos de la Ciudad de México (STE) (Spanish for Electric Transport Service of Mexico City) is a public transport agency responsible for the operation of all trolleybus and light rail services in Mexico City. As its name implies, its routes use only electrically powered vehicles. It was created on 31 December 1946 and is owned by the Mexico City government.[5] STE is overseen by a broader local governmental authority, Secretaria de Movilidad de la Ciudad de México (SEMOVI)(Secretariat of Mobility of Mexico City), formerly (SETRAVI) which also regulates the city's other public transport authorities, including Sistema de Transporte Colectivo (STC, the Mexico City Metro system), Red de Transporte de Pasajeros del Distrito Federal (RTP, diesel bus network) and Metrobús, as well as other forms of transportation in the district.[6] STE's passenger vehicle fleet consists exclusively of trolleybuses, light rail, and aerial lift vehicles, and in 2007 its network carried 88 million passengers, of which 67 million were on trolleybus services and 21 million on light rail.[6]

Servicio de Transportes Eléctricos de la Ciudad de México
Overview
LocaleMexico City, Mexico
Transit typeTrolleybus, Light rail, Aerial lift
Number of linesTrolleybus: 9 (2022)[1]
Light rail: 1
Aerial Lift: 2 (2022)
Websitewww.ste.cdmx.gob.mx
Operation
Began operation1947
Number of vehicles360 trolleybuses (approx.)[2]
24 light rail cars[3]
Technical
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
ElectrificationTrolleybus: 600 V, DC
Light rail: 750 V DC[4]
A PCC streetcar of STE in 1971

History edit

Originally named Servicio de Transportes Eléctricos del Distrito Federal and owned by the then-Mexican Federal District government, STE was created on 31 December 1946 to replace the privately run Compañía de Tranvías de México (Mexico City Tramways Company),[5] operator of the city's tramway/streetcar network. However, it did not completely take over the assets and operations of that company until October 1952.[5][7] STE also took over the Compañía de Ferrocarriles del Distrito Federal (Mexico City Railways Company) at that time.[5] The agency introduced its first trolleybus route in 1951.[8] To replace worn-out streetcars, STE acquired 274 used PCC cars from U.S. transit companies that were downsizing or abandoning their streetcar systems.[7][9] Similarly, as it expanded its trolleybus network, the agency turned to American and Canadian transit companies as a relatively inexpensive source of vehicles, acquiring almost 800 secondhand trolleybuses from several different cities in those countries between 1956 and 1977[10][11] and later 37 from Edmonton in 1987. These have all since been replaced by trolleybuses built new, in Mexico, by Mexicana de Autobuses SA (MASA) or its successor, Volvo.

Overview edit

 
A station on the Tren Ligero, STE's light rail line

STE's Director General (General Manager) is appointed by the Head of Government of the Federal District, or "mayor" of Mexico City. Since December 2018 the position has been held by Guillermo Calderón Aguilera.[12] As of 2008, STE had approximately 2,700 employees.[6]

Light rail edit

After May 1979, the only streetcar line still in operation was that from Tasqueña metro station to Xochimilco (route 54) and its short branch to Tlalpan (53).[13] STE upgraded this line in the mid-1980s as light rail, with high-platform stations for faster loading and new articulated light rail cars built using parts from old PCC streetcars, fitted with new bodies.[14] The Xochimilco Light Rail service began operating in 1986, without the Tlalpan branch. It continues in operation today, with newer cars, and locally is known as the Tren Ligero. It is STE's only rail line.[6] Construction of a new streetcar line (or tranvía) in the city center was planned,[15] with STE managing the construction bidding process for the project,[16] but on 31 May 2010 the project was cancelled by mayor Marcelo Ebrard, on cost grounds.[17]

Trolleybus edit

 
An STE trolleybus at Tasqueña in 1990

After its opening in the 1950s the trolleybus network was gradually expanded. A network of 27 routes in operation in early 1979 was reduced to about 10 later that year, through a reorganization that combined overlapping routes, rather than through abandonments.[11] An expansion program implemented after 1982 raised the number of separate routes back to 27, operated by 30 different services,[8] by the end of 1988.[18] STE's network reached its widest geographic coverage at that point, when the route most-distant from the city center was one from Tláhuac to Milpa Alta, in the far southeastern corner of the Federal District.[18] This coverage was maintained only until early 1991. Although new routes were opened in 1995, 1997 and 2005, overall STE has, since 1991, discontinued more trolleybus routes than it has opened, with only 17 trolleybus routes still in operation in 2007.[4] In 2009 and 2010, construction work on new metro line 12 disrupted surface streets (requiring traffic detours) and caused some STE routes to be replaced by diesel bus routes, which were operated by RTP, as STE does not own any diesel buses. These conversions were originally planned be temporary, but whereas metro line 12 opened in October 2012, only one of the affected routes (D) had returned to operation by mid-2014, and a total of only eight trolleybus routes were in operation at that time,[2] a situation that remains unchanged in 2018.[1] The total number of trolleybuses scheduled in peak service each weekday is 264, as of mid-2014, from a fleet of around 360 serviceable vehicles.[2]

"Zero-Emissions Corridors" edit

 
The trolleybuses serving the "Zero-Emissions Corridors" wear a two-tone-green paint scheme, but the distinctive graphic of El Ángel that was originally included (2009) was removed around early 2013.[19]
 
A trolleybus using a trolleybus-only contraflow lane on Eje Central

On 1 August 2009, STE inaugurated its first Corredor Cero Emisiones, or Zero-Emissions Corridor, in which all public transport service along one of the city's major traffic arteries is now provided by electric trolleybuses.[8][20][21] This was not a new trolleybus line, but rather an upgrading of an existing line, STE's route A, along Eje Central (Central Traffic Axis, primarily Avenida Lázaro Cárdenas).[20] The route extends for 18.3 kilometres (11.4 mi), from Instituto del Petróleo metro station and the Terminal de Autobuses del Norte (northern intercity bus station) to Tasqueña metro station and the Terminal de Autobuses del Sur (southern intercity bus station).[22] The changes involved in transforming route A into the "Zero-Emissions Corridor" included significantly increasing the frequency of trolleybus service, to an average headway of 2.5 minutes, and banning all non-electric buses and peseros (vans/jitneys) from the corridor.[20][21] The Eje Central corridor alone now uses about 90–100 trolleybuses at peak times, from a sub-fleet of 120 vehicles reserved for this route.[20] The trolleybuses operate in bus-only lanes, separated from other traffic; such lanes already were present on this route. Several of STE's other trolleybus routes also operate in bus-only lanes over some portions of their route.

Changes to route S (Eje 2/2A Sur) to transform it into a second Zero-Emissions Corridor took place in 2010, and the improved service was put into effect on 21 December 2010. Route S connects Chapultepec metro station with Velódromo metro station and is 9 kilometres (6 mi) long (18 km round trip).[23]

On 1 November 2012, the third Zero-Emissions Corridor was opened, along route D, from Mixcoac metro station to San Andrés Tetepilco, just past Calzada de Tlalpan, where it connects with metro line 2.[24] The terminus is located in front of STE's main trolleybus depot, which also houses a small museum preserving one of the first electric trams to run in the city, as well as PCC car 2784 and some other historic material and documents.[25]

Garages edit

The system has two trolleybus garages (depositos, or depots).[26] The largest is at Tetepilco, also the location of STE's main administrative offices. The second is San Juan de Aragón depot.[2] A third garage, El Rosario, opened in December 1998,[27] as a replacement for a much smaller depot, Azcapotzalco, which had closed in May of that year.[28] However, Deposito El Rosario closed in 2019, leaving the system with two garages.[26] The trolleybus fleet included around 400 vehicles in 2008[4] and around 360 in 2014.[2]

Cablebús edit

In 2021, STE began operating an aerial lift service with two lines and 13 stations, known as Cablebús.

Non-electric services edit

Starting in November 1997,[29] and lasting for four years, STE operated a few diesel bus routes, at the request of STV following the 1995 bankruptcy[30] of RTP's predecessor, Ruta Cien ("Route 100").[31] It accepted the transfer of 190 motorbuses to its fleet in conjunction with this,[31] but these and the bus routes were transferred to RTP in November 2001.[32] Otherwise, except for a brief period in the 1960s, STE's service has always used only electric vehicles.[29]

Fare system edit

 
System map

STE uses a "flat" fare system, meaning the price is the same regardless of the distance travelled. The current fare is 2.00 pesos on all trolleybus lines except lines A, D and S, the three Corredores Cero Emisiones, on which the fare is 4.00 pesos. Effective 2 January 2010, the fare on the Xochimilco light rail line is 3.00 pesos.[33]

On the Tren Ligero, or light rail line, passengers pay the fare at the stations, to ticket vending machines, and the platform of each station is a paid area, with turnstiles preventing access to persons lacking a valid fare. On the trolleybuses, passengers pay the exact fare upon boarding, into fareboxes, with drivers responsible for monitoring fare payment.[6]

In an attempt to modernize the fare systems of the city's major transit systems and make fare payment more convenient, in October 2012 the Mexico City government implemented the use of a prepaid fare card, or stored-value card, called Tarjeta DF ("DF Card") as a payment method valid on the metro system, Metrobús, the STE trolleybus system and the Xochimilco Light Rail line.[34]

See also edit

References edit

  1. ^ a b "Líneas de Trolebuses" (in Spanish). STE. Retrieved 7 April 2018.
  2. ^ a b c d e Trolleybus Magazine No. 318 (November–December 2014), p. 159. National Trolleybus Association. (UK). ISSN 0266-7452.
  3. ^ Tramways & Urban Transit magazine, September 2014, p. 399. LRTA Publishing (UK). ISSN 1460-8324.
  4. ^ a b c Webb, Mary (ed.) (2008). Jane's Urban Transport Systems 2008-2009, p. 244. Coulsdon, Surrey (UK): Jane's Information Group. ISBN 978-0-7106-2860-2.
  5. ^ a b c d (in Spanish). STE. Archived from the original on 13 January 2016. Retrieved 15 August 2016.
  6. ^ a b c d e Webb, Mary (ed.) (2009). Jane's Urban Transport Systems 2009-2010. Coulsdon, Surrey (UK): Jane's Information Group. ISBN 978-0-7106-2903-6.
  7. ^ a b Morrison, Allen (2003). The Tramways of Mexico City, Part 4. Retrieved 2010-05-05.
  8. ^ a b c Morrison, Allen (2010). The Trolleybuses of Latin America in 2010. Retrieved 2010-05-05.
  9. ^ Middleton, William D. (1967). The Time of the Trolley, pp. 308–309. Milwaukee: Kalmbach Publishing. ISBN 0-89024-013-2.
  10. ^ Sebree, Mac; and Ward, Paul (1974). The Trolley Coach in North America, pp. 347–355. Los Angeles: Interurbans. LCCN 74-20367.
  11. ^ a b Morgan, Steve (1990). "Mexico Review: Part 2", Trolleybus Magazine No. 174 (November–December 1990), pp. 128–137. ISSN 0266-7452.
  12. ^ "Director General" (in Spanish). STE. Retrieved 3 January 2019.
  13. ^ Modern Tramway, October 1979 issue, p. 364. Ian Allan Publishing.
  14. ^ Morrison, Allen (1996). Latin America by Streetcar: A Pictorial Survey of Urban Rail Transport South of the U.S.A., pp. 20 and 23. New York: Bonde Press. ISBN 0-9622348-3-4.
  15. ^ Tramways & Urban Transit magazine, April 2010, p. 150. Light Rail Transit Association (UK).
  16. ^ Gómez Flores, Laura (18 May 2010). "De 19 firmas interesadas en construir el tranvía, sólo Alstom presentó propuestas". La Jornada (in Spanish). Retrieved 19 May 2010.
  17. ^ Gómez Flores, Laura (1 June 2010). "Desde Alemania frena Ebrard el tranvía del Centro Histórico". La Jornada (in Spanish). p. 32. Retrieved 28 January 2011.
  18. ^ a b Morgan, Steve (1991). "Mexico Review: Part 3", Trolleybus Magazine No. 175 (January–February 1991), pp. 4–14. ISSN 0266-7452.
  19. ^ Trolleybus Magazine No. 316 (July–August 2014), p. 106.
  20. ^ a b c d Trolleybus Magazine No. 288 (November–December 2009), pp. 139–140. National Trolleybus Association. (UK). ISSN 0266-7452.
  21. ^ a b Cuenca, Alberto (1 August 2009). "Corredor Cero Emisiones inicia operaciones (Zero-Emissions Corridor begins operations)". El Universal (in Spanish). Retrieved 5 May 2010.
  22. ^ "Corredor Cero Emisiones "Eje Central": Dinámica de Operación" (PDF) (in Spanish). STE. Retrieved 7 April 2018.
  23. ^ Trolleybus Magazine No. 296 (March–April 2011), p. 42.
  24. ^ Robles, Johana; Mora, Karla (1 November 2012). "Arranca corredor Tetepilco a Mixcoac; costa $4.00" [Tetepilco–Mixcoac Corridor starts; cost $4.00]. El Universal (in Spanish). Retrieved 7 April 2018.
  25. ^ (in Spanish). STE. Archived from the original on 18 January 2016. Retrieved 7 April 2018.
  26. ^ a b Trolleybus Magazine No. 349 (January–February 2020), pp. 28–30.
  27. ^ Trolleybus Magazine No. 224 (March–April 1999), p. 44.
  28. ^ Trolleybus Magazine No. 221 (September–October 1998), p. 113.
  29. ^ a b Trolleybus Magazine No. 220 (July–August 1998), p. 93.
  30. ^ McMahon, Colin (14 April 1995). "Mexico's plight: Broken system". Chicago Tribune. p. 8. Retrieved 12 December 2014.
  31. ^ a b Bushell, Chris (ed.) (1998). Jane's Urban Transport Systems 1998-99, p. 214. Coulsdon, Surrey (UK): Jane's Information Group. ISBN 0-7106-1812-3.
  32. ^ Trolleybus Magazine No. 245 (September–October 2002), p. 115.
  33. ^ (in Spanish). STE. December 2009. Archived from the original on 24 September 2015. Retrieved 7 April 2018.
  34. ^ "Arranca el uso de la TarjetaDF para Metro, Metrobús y Trolebús" [Use of the TarjetaDF for Metro, Metrobús and Trolleybus begins]. Excélsior (in Spanish). 17 October 2012. Retrieved 14 October 2013.

External links edit

  • STE website (Spanish)
  • Website of Semovi (Secretaría de Movilidad), ex-Setravi (Spanish)

19°22′02″N 99°08′00″W / 19.3672°N 99.1333°W / 19.3672; -99.1333

servicio, transportes, eléctricos, ciudad, méxico, spanish, electric, transport, service, mexico, city, public, transport, agency, responsible, operation, trolleybus, light, rail, services, mexico, city, name, implies, routes, only, electrically, powered, vehi. Servicio de Transportes Electricos de la Ciudad de Mexico STE Spanish for Electric Transport Service of Mexico City is a public transport agency responsible for the operation of all trolleybus and light rail services in Mexico City As its name implies its routes use only electrically powered vehicles It was created on 31 December 1946 and is owned by the Mexico City government 5 STE is overseen by a broader local governmental authority Secretaria de Movilidad de la Ciudad de Mexico SEMOVI Secretariat of Mobility of Mexico City formerly SETRAVI which also regulates the city s other public transport authorities including Sistema de Transporte Colectivo STC the Mexico City Metro system Red de Transporte de Pasajeros del Distrito Federal RTP diesel bus network and Metrobus as well as other forms of transportation in the district 6 STE s passenger vehicle fleet consists exclusively of trolleybuses light rail and aerial lift vehicles and in 2007 its network carried 88 million passengers of which 67 million were on trolleybus services and 21 million on light rail 6 Servicio de Transportes Electricos de la Ciudad de MexicoOverviewLocaleMexico City MexicoTransit typeTrolleybus Light rail Aerial liftNumber of linesTrolleybus 9 2022 1 Light rail 1 Aerial Lift 2 2022 Websitewww ste cdmx gob mxOperationBegan operation1947Number of vehicles360 trolleybuses approx 2 24 light rail cars 3 TechnicalTrack gauge1 435 mm 4 ft 8 1 2 in standard gaugeElectrificationTrolleybus 600 V DCLight rail 750 V DC 4 A PCC streetcar of STE in 1971 Contents 1 History 2 Overview 2 1 Light rail 2 2 Trolleybus 2 2 1 Zero Emissions Corridors 2 2 2 Garages 2 3 Cablebus 2 4 Non electric services 3 Fare system 4 See also 5 References 6 External linksHistory editSee also Streetcars in Mexico City Originally named Servicio de Transportes Electricos del Distrito Federal and owned by the then Mexican Federal District government STE was created on 31 December 1946 to replace the privately run Compania de Tranvias de Mexico Mexico City Tramways Company 5 operator of the city s tramway streetcar network However it did not completely take over the assets and operations of that company until October 1952 5 7 STE also took over the Compania de Ferrocarriles del Distrito Federal Mexico City Railways Company at that time 5 The agency introduced its first trolleybus route in 1951 8 To replace worn out streetcars STE acquired 274 used PCC cars from U S transit companies that were downsizing or abandoning their streetcar systems 7 9 Similarly as it expanded its trolleybus network the agency turned to American and Canadian transit companies as a relatively inexpensive source of vehicles acquiring almost 800 secondhand trolleybuses from several different cities in those countries between 1956 and 1977 10 11 and later 37 from Edmonton in 1987 These have all since been replaced by trolleybuses built new in Mexico by Mexicana de Autobuses SA MASA or its successor Volvo Overview edit nbsp A station on the Tren Ligero STE s light rail line STE s Director General General Manager is appointed by the Head of Government of the Federal District or mayor of Mexico City Since December 2018 the position has been held by Guillermo Calderon Aguilera 12 As of 2008 STE had approximately 2 700 employees 6 Light rail edit Main article Xochimilco Light Rail After May 1979 the only streetcar line still in operation was that from Tasquena metro station to Xochimilco route 54 and its short branch to Tlalpan 53 13 STE upgraded this line in the mid 1980s as light rail with high platform stations for faster loading and new articulated light rail cars built using parts from old PCC streetcars fitted with new bodies 14 The Xochimilco Light Rail service began operating in 1986 without the Tlalpan branch It continues in operation today with newer cars and locally is known as the Tren Ligero It is STE s only rail line 6 Construction of a new streetcar line or tranvia in the city center was planned 15 with STE managing the construction bidding process for the project 16 but on 31 May 2010 the project was cancelled by mayor Marcelo Ebrard on cost grounds 17 Trolleybus edit Main article Trolleybuses in Mexico City nbsp An STE trolleybus at Tasquena in 1990 After its opening in the 1950s the trolleybus network was gradually expanded A network of 27 routes in operation in early 1979 was reduced to about 10 later that year through a reorganization that combined overlapping routes rather than through abandonments 11 An expansion program implemented after 1982 raised the number of separate routes back to 27 operated by 30 different services 8 by the end of 1988 18 STE s network reached its widest geographic coverage at that point when the route most distant from the city center was one from Tlahuac to Milpa Alta in the far southeastern corner of the Federal District 18 This coverage was maintained only until early 1991 Although new routes were opened in 1995 1997 and 2005 overall STE has since 1991 discontinued more trolleybus routes than it has opened with only 17 trolleybus routes still in operation in 2007 4 In 2009 and 2010 construction work on new metro line 12 disrupted surface streets requiring traffic detours and caused some STE routes to be replaced by diesel bus routes which were operated by RTP as STE does not own any diesel buses These conversions were originally planned be temporary but whereas metro line 12 opened in October 2012 only one of the affected routes D had returned to operation by mid 2014 and a total of only eight trolleybus routes were in operation at that time 2 a situation that remains unchanged in 2018 1 The total number of trolleybuses scheduled in peak service each weekday is 264 as of mid 2014 from a fleet of around 360 serviceable vehicles 2 Zero Emissions Corridors edit nbsp The trolleybuses serving the Zero Emissions Corridors wear a two tone green paint scheme but the distinctive graphic of El Angel that was originally included 2009 was removed around early 2013 19 nbsp A trolleybus using a trolleybus only contraflow lane on Eje Central On 1 August 2009 STE inaugurated its first Corredor Cero Emisiones or Zero Emissions Corridor in which all public transport service along one of the city s major traffic arteries is now provided by electric trolleybuses 8 20 21 This was not a new trolleybus line but rather an upgrading of an existing line STE s route A along Eje Central Central Traffic Axis primarily Avenida Lazaro Cardenas 20 The route extends for 18 3 kilometres 11 4 mi from Instituto del Petroleo metro station and the Terminal de Autobuses del Norte northern intercity bus station to Tasquena metro station and the Terminal de Autobuses del Sur southern intercity bus station 22 The changes involved in transforming route A into the Zero Emissions Corridor included significantly increasing the frequency of trolleybus service to an average headway of 2 5 minutes and banning all non electric buses and peseros vans jitneys from the corridor 20 21 The Eje Central corridor alone now uses about 90 100 trolleybuses at peak times from a sub fleet of 120 vehicles reserved for this route 20 The trolleybuses operate in bus only lanes separated from other traffic such lanes already were present on this route Several of STE s other trolleybus routes also operate in bus only lanes over some portions of their route Changes to route S Eje 2 2A Sur to transform it into a second Zero Emissions Corridor took place in 2010 and the improved service was put into effect on 21 December 2010 Route S connects Chapultepec metro station with Velodromo metro station and is 9 kilometres 6 mi long 18 km round trip 23 On 1 November 2012 the third Zero Emissions Corridor was opened along route D from Mixcoac metro station to San Andres Tetepilco just past Calzada de Tlalpan where it connects with metro line 2 24 The terminus is located in front of STE s main trolleybus depot which also houses a small museum preserving one of the first electric trams to run in the city as well as PCC car 2784 and some other historic material and documents 25 Garages edit The system has two trolleybus garages depositos or depots 26 The largest is at Tetepilco also the location of STE s main administrative offices The second is San Juan de Aragon depot 2 A third garage El Rosario opened in December 1998 27 as a replacement for a much smaller depot Azcapotzalco which had closed in May of that year 28 However Deposito El Rosario closed in 2019 leaving the system with two garages 26 The trolleybus fleet included around 400 vehicles in 2008 4 and around 360 in 2014 2 Cablebus edit Main article Cablebus In 2021 STE began operating an aerial lift service with two lines and 13 stations known as Cablebus Non electric services edit Starting in November 1997 29 and lasting for four years STE operated a few diesel bus routes at the request of STV following the 1995 bankruptcy 30 of RTP s predecessor Ruta Cien Route 100 31 It accepted the transfer of 190 motorbuses to its fleet in conjunction with this 31 but these and the bus routes were transferred to RTP in November 2001 32 Otherwise except for a brief period in the 1960s STE s service has always used only electric vehicles 29 Fare system edit nbsp System map STE uses a flat fare system meaning the price is the same regardless of the distance travelled The current fare is 2 00 pesos on all trolleybus lines except lines A D and S the three Corredores Cero Emisiones on which the fare is 4 00 pesos Effective 2 January 2010 the fare on the Xochimilco light rail line is 3 00 pesos 33 On the Tren Ligero or light rail line passengers pay the fare at the stations to ticket vending machines and the platform of each station is a paid area with turnstiles preventing access to persons lacking a valid fare On the trolleybuses passengers pay the exact fare upon boarding into fareboxes with drivers responsible for monitoring fare payment 6 In an attempt to modernize the fare systems of the city s major transit systems and make fare payment more convenient in October 2012 the Mexico City government implemented the use of a prepaid fare card or stored value card called Tarjeta DF DF Card as a payment method valid on the metro system Metrobus the STE trolleybus system and the Xochimilco Light Rail line 34 See also edit nbsp Mexico portal Transport in Mexico City Trolleybuses of Roma CondesaReferences edit a b Lineas de Trolebuses in Spanish STE Retrieved 7 April 2018 a b c d e Trolleybus Magazine No 318 November December 2014 p 159 National Trolleybus Association UK ISSN 0266 7452 Tramways amp Urban Transit magazine September 2014 p 399 LRTA Publishing UK ISSN 1460 8324 a b c Webb Mary ed 2008 Jane s Urban Transport Systems 2008 2009 p 244 Coulsdon Surrey UK Jane s Information Group ISBN 978 0 7106 2860 2 a b c d Antecedentes Past in Spanish STE Archived from the original on 13 January 2016 Retrieved 15 August 2016 a b c d e Webb Mary ed 2009 Jane s Urban Transport Systems 2009 2010 Coulsdon Surrey UK Jane s Information Group ISBN 978 0 7106 2903 6 a b Morrison Allen 2003 The Tramways of Mexico City Part 4 Retrieved 2010 05 05 a b c Morrison Allen 2010 The Trolleybuses of Latin America in 2010 Retrieved 2010 05 05 Middleton William D 1967 The Time of the Trolley pp 308 309 Milwaukee Kalmbach Publishing ISBN 0 89024 013 2 Sebree Mac and Ward Paul 1974 The Trolley Coach in North America pp 347 355 Los Angeles Interurbans LCCN 74 20367 a b Morgan Steve 1990 Mexico Review Part 2 Trolleybus Magazine No 174 November December 1990 pp 128 137 ISSN 0266 7452 Director General in Spanish STE Retrieved 3 January 2019 Modern Tramway October 1979 issue p 364 Ian Allan Publishing Morrison Allen 1996 Latin America by Streetcar A Pictorial Survey of Urban Rail Transport South of the U S A pp 20 and 23 New York Bonde Press ISBN 0 9622348 3 4 Tramways amp Urban Transit magazine April 2010 p 150 Light Rail Transit Association UK Gomez Flores Laura 18 May 2010 De 19 firmas interesadas en construir el tranvia solo Alstom presento propuestas La Jornada in Spanish Retrieved 19 May 2010 Gomez Flores Laura 1 June 2010 Desde Alemania frena Ebrard el tranvia del Centro Historico La Jornada in Spanish p 32 Retrieved 28 January 2011 a b Morgan Steve 1991 Mexico Review Part 3 Trolleybus Magazine No 175 January February 1991 pp 4 14 ISSN 0266 7452 Trolleybus Magazine No 316 July August 2014 p 106 a b c d Trolleybus Magazine No 288 November December 2009 pp 139 140 National Trolleybus Association UK ISSN 0266 7452 a b Cuenca Alberto 1 August 2009 Corredor Cero Emisiones inicia operaciones Zero Emissions Corridor begins operations El Universal in Spanish Retrieved 5 May 2010 Corredor Cero Emisiones Eje Central Dinamica de Operacion PDF in Spanish STE Retrieved 7 April 2018 Trolleybus Magazine No 296 March April 2011 p 42 Robles Johana Mora Karla 1 November 2012 Arranca corredor Tetepilco a Mixcoac costa 4 00 Tetepilco Mixcoac Corridor starts cost 4 00 El Universal in Spanish Retrieved 7 April 2018 Proyectos Museo de Transportes Electricos del D F in Spanish STE Archived from the original on 18 January 2016 Retrieved 7 April 2018 a b Trolleybus Magazine No 349 January February 2020 pp 28 30 Trolleybus Magazine No 224 March April 1999 p 44 Trolleybus Magazine No 221 September October 1998 p 113 a b Trolleybus Magazine No 220 July August 1998 p 93 McMahon Colin 14 April 1995 Mexico s plight Broken system Chicago Tribune p 8 Retrieved 12 December 2014 a b Bushell Chris ed 1998 Jane s Urban Transport Systems 1998 99 p 214 Coulsdon Surrey UK Jane s Information Group ISBN 0 7106 1812 3 Trolleybus Magazine No 245 September October 2002 p 115 Aviso al Publico Usario in Spanish STE December 2009 Archived from the original on 24 September 2015 Retrieved 7 April 2018 Arranca el uso de la TarjetaDF para Metro Metrobus y Trolebus Use of the TarjetaDF for Metro Metrobus and Trolleybus begins Excelsior in Spanish 17 October 2012 Retrieved 14 October 2013 External links edit nbsp Wikimedia Commons has media related to Servicio de Transportes Electricos de la Ciudad de Mexico STE website Spanish Website of Semovi Secretaria de Movilidad ex Setravi Spanish 19 22 02 N 99 08 00 W 19 3672 N 99 1333 W 19 3672 99 1333 Retrieved from https en wikipedia org w index php title Servicio de Transportes Electricos amp oldid 1195676773, wikipedia, wiki, book, books, library,

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