TransMilenio is a bus rapid transit (BRT) system that serves Bogotá, the capital of Colombia, and Soacha. The system opened to the public in December 2000, covering Caracas Avenue and 80 street. Other lines were added gradually over the next several years, and as of 2019, 8 lines totalling 114.4 km (71 mi)[1] run throughout the city.

LocaleBogotá and Soacha, Colombia
Transit type
Number of lines12[1]
Number of stations148
Daily ridership2.4 million (September 2018)[1]
Annual ridership681 million (2018)[2]
Began operationDecember 2000
  • Consorcio Express
  • Gmovil
  • Transmasivo
  • Ciudad Móvil
  • Somos U
  • Somos K
  • BMO S.A.S Bogotá Móvil
  • SI18 S.A.S
System length114.4 km (71 mi)[1]
System map

It was inspired by Curitiba's Rede Integrada de Transporte (Integrated Transportation Network). TransMilenio consists of several interconnected BRT lines, with raised floor stations in the center of a main avenue, or "troncal". Passengers typically reach the stations via a bridge over the street. Usually four lanes down the center of the street are dedicated to bus traffic. The outer lanes allow express buses to bypass buses stopped at a station.

Users pay at the station entrance using a smart card, pass through a turnstile, and wait for buses inside the station, which is typically 5 m wide.[3] The bus and station doors open simultaneously, and passengers board by simply walking across the threshold. The elevated station platform and the bus floor are at the same height.

The buses are diesel-powered, purchased from such manufacturers as the Colombian-Brazilian company Marcopolo-Superior, German conglomerate Mercedes-Benz, and Swedish companies such as Volvo and Scania. The buses are articulated and have a capacity of 160 passengers. In May 2007, a new, larger bi-articulated bus, with capacity for 270 passengers, was presented to the public. TransMilenio buses are not equipped with transponders to give them priority at traffic signals; regret over this fact was voiced by former general manager of the system, Angelica Castro.[3]

As of the 4th trimester of 2018, 1,685 buses on average were circulating on the trunk line system. An additional set of 777[2] regular buses, known as "feeders" (alimentadores in Spanish), transport users from certain important stations to many different locations that the main route does not reach. Unlike the main TransMilenio buses, feeders operate without dedicated lanes, are not articulated and are green (regular TransMilenio buses are red). There is no additional fare to use the feeder buses.

Some main TransMilenio stations have bicycle parking facilities to facilitate cyclists using the system.


Before TransMilenio, Bogotá's mass transit "system" consisted of thousands of independently operated and uncoordinated mini buses. There was also a plan for a network of elevated highways throughout Bogota, and plans to build a subway as Medellín had done seven years prior. When Enrique Peñalosa was elected mayor he cancelled these projects and oversaw the construction of the initial TransMilenio system at a fraction of the cost.[4]

Within three years after the initiation of the project, the first phase opened in December 2000. A second phase has been completed, and a third is underway. Prior to construction, a 30 km trip by public transport would take 2 hours and 15 minutes in 1998; the same trip using TransMilenio now takes 55 minutes.[4]

The mayor created a special company to build the project and run the central system. The operational design of TransMilenio was undertaken by transport consultants Steer Davies Gleave with the financial structuring of the project led by Capitalcorp S.A., a local investment bank. Most of the money required to build TransMilenio was provided by the Colombian central government, while the city of Bogotá provided the remaining 30%.[5]

Other cities are building systems modeled on Transmilenio, for example, Mexico City,[6] and Transantiago in Santiago, Chile, but the difference is that in these cities the system is complemented with a Rapid transit system.

TransMilenio stations comply with easy access regulations because they are elevated and have ramps leading to the entrance. The alimentadores (feeders) are normal buses without handicapped accessibility. A lawsuit by disabled user Daniel Bermúdez caused a ruling that all feeder systems must comply with easy access regulations by 2004, but this has not happened yet.

2006 protests

On May 2 and 3, 2006, several groups of bus drivers not associated with TransMilenio held a strike, protesting against some elements and consequences of the system. They disagreed with the amount of monetary compensation that they would receive in exchange for the disposal of old buses (10 to more than 20 years old), traffic restrictions on the TransMilenio main lines, and a new Pico y Placa Ambiental in some city areas, that would restrict the schedules of buses older than 10 years to early morning hours to reduce pollution in the city.[7]

Some of the larger bus companies which participate in TransMilenio also retired their conventional bus lines during the strike.[8] Public transportation ground to a halt in much of the city. Although TransMilenio and a number of other buses continued operating, they could not cope with all of the demand. Acts of individual intimidation and violence against some private vehicles, TransMilenio and conventional buses occurred during the strike, as well as clashes between some of the strikers and the police.

Bogotá's Mayor Luis Eduardo Garzón rejected the strike, firmly defended all of the measures as necessary for the city's transportation future, and stated that he was only willing to discuss the specific details of their implementation, as well as a further democratization of TransMilenio's operations, after the situation calmed down. During the second and final day of the strike, the local administration, the strikers and their companies agreed to begin talks.

During the strike, some protests included users of TransMilenio who complained because the buses were passing at a very low frequency. Several stations became so filled up that some people fell from them into the street. Even after the strike ended, some TransMilenio passengers have subsequently protested because they still find aspects of the system to be inefficient and uncomfortable.

2012 protests

Due to the relatively high price, overcrowding, and delays in the routes hundreds of people mostly students protested and some vandals looted and broke windows on March 9, 2012, causing half a million dollars of damage and 11 injuries. The vandals were confronted and detained by riot police.[9]


TransMilenio has 12 lines serving 148 stations in the cities of Bogotá and Soacha:

Since the May 2006 expansion, the TransMilenio route system has changed dramatically, with new sections added to the system. Instead of being numbered, routes have a combination of letters and numbers. In order to fill the information gap, TransMilenio made available an interactive guide that includes routes, stations, nearby places and route combinations.[10]

New lines have been constructed, including one on Calle 26 (Downtown-West (Airport))[11] and the other on Carrera 10 (Downtown-South).[12]

Construction of a new line in Carrera 7 (North-Downtown) is under consideration. This has been criticized as there are certain locations where the system might not fit.

There are six types of stations:

  • Sencillas (Simple): local service stations, located approximately every 500 m
  • De transferencia (Transfer): allow transfer between different lines through a tunnel
  • Sin intercambio (No transfer): do not allow transfer between lanes (north-south, south-north, west-east, east-west); located in the Autopista Norte (due a stretch of the way), Tunal and 6th Street ramification (due water channels).
  • Intermedias (Intermediate): service both feeder and trunk line.
  • Cabecera (Portal): near the entrances to the city. In addition to feeders and articulated buses, intercity buses from the metropolitan area also arrive at these stations.
  • Paraderos bus dual (dual-bus stop): located in the streets, these stops don't have turnstiles, electronic boards and the floor level is the same of the street; served by buses with station-level and street-level doors. These stops are located in the pretroncal corridors (AK 7, AV Caracas, AV Suba, AC 80, AV El Dorado).

All stations have electronic boards announcing the approximate arrival time of the next bus. Wait times are short as there is usually a bus serving the station. There are also station attendants to provide assistance to the passengers, and posted system maps.

Older services

The trunk system had three types of services:

  • The Regular (Corriente) stopped at all stations.
  • The Express (Expresos) only stopped at the stations determined in its route.
  • The Super Express (Super Expresos) was established since the end of 2005 by the expansion of the system. Of these there were two classes:
    • The Asymmetric (Asimetrico) covered the system in one direction. The 201 and 300 went from north to south and the 200 and 301 went from south to north. These services were only in service at peak hours in the morning and evening according to their color.
    • The Symmetrical (Simetrico) traversed the system in both directions, as route 400.
  • The Sunday Express (Expreso Dominical) operated only on Sundays and holidays.
Services rendered until April 29, 2006
Regular Every 3 minutes on average
Express Every 2 minutes on average
Super Express Every 2 minutes on average
Sunday Express Every 3 or 4 minutes on average
Feeder-IntermunicipalEvery 5 minutes on average

Current services

After the total operation of the second phase of the system was implemented, a new system was implemented to facilitate the circulation of the system. The zoning divides the trunks into 12 lines or zones that have different letters and colors. The maps changed at each station, to show the specific services to the station in question and the way to reach the other zones of the system from there.

The Sunday services that were numbered from 90 to 99 (B90-G90, C91-F91, B92-H92, B93-H93, B94-D94, D95-J95, C96-G96, K97-L97, K98-G98 and M99-F99). ) were eliminated except for the K98-G98, which was modified to be renamed K42-G42 with biarticulated buses operating in the same way. A week later they were replaced by express routes that operated only from Monday to Saturday. This had previously been done with expresses such as D22-G22 and M47-G47.

As of March 3, 2018 some services modified their nomenclatures so that they have the same number in both directions, avoiding confusions in the express routes. For example: The service that leaves between the station Toberín and the Portal de Usme went from being B72-H61 to B72-H72, likewise the D24-J24 (before it was D70-J24).

The trunk system has three types of services:

  • Regular Routes (Ruta Fácil): These are the numbered routes from 1 to 9 that stop at all stations and work all day. As of August 2008, this type of service was called the Easy Route. On June 17, 2017 these services were modified, replacing the routes that operated since 2006 by shorter trails, in addition to a change of nomenclature, which did not include the letter and the color of the destination area.
  • Express (Expreso): Routes that only stop at the stations determined in their route, and are numbered from 10 to 75.
  • Dual bus trunk (Troncal Bus Dual): Routes to extend the TransMilenio trunk service to arteries, beginning with the Carrera Séptima.
Services rendered since April 29, 2006
Kind North routes South routes
Regular Rutes (Ruta Fácil)
All day
1 2 3 4 5 6 7 81 2 3 4 5 6 7 8
Express Every day
All Day
B10 K10 B12B14 B75 C15 C19 D22 M47D10 F14 F19 G12 G22 G47 H15 H75 L10
Express Monday to Saturday
All day
B11 B13 B16 B18 B23 B72 B74 C17 D20 D21 D24 B44 J23 K43 K54 M51F23 F51 G11 G43 G44 H13 H17 H20 H21 H54 H72 J24 J74 K16 K23 L18
Express Monday to Friday
Peak morning time
A52 B52 B55 B56 D50 E32A74 H51 J70 J73
Express Monday to Friday
Peak evening time
C73F32 F62 G52
Express Monday to Saturday
Peak morning time
B28 B71 D51 G45F28 G45
Express Monday to Friday
Peak morning and evening time
B27 B28 B50 C29 C30 G45C50 F28 F29 G30 G45 H27 H73
Express Saturdays
from 5:00 a.m. to 3:00 p.m.
Express Sundays
All day
Dual Every day
All day
Alimentador - Intermunicipal 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 2.1 2.2 2.3 2.4 2.5 2.7 2.8 2.10 2.11 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.13 4.1 4.2 4.3 5.1 5.2 5.3 5.4 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.12 7.1 7.2 7.3 8.1 8.2 8.3 8.4 8.5 8.6 9.1 9.2 9.3 9.4 9.5 9.6 9.7 9.8 9.9 9.10 9.11 10.1 10.2 10.3 10.3C 10.4 10.5 10.6 10.8 11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 11.9 11.10 12.1 13.6 13.7 13.9 13.10 13.12 13.13 16.1 16.2 16.3 16.4 16.5 16.6 16.7 16.8 16.9 16.10 16.13 16.14

Fares and tickets

The fare in 2019 is 2,400 Colombian pesos for a single trip (about €0.67 or US$0.78).[13] Cards use a contactless smart card (MIFARE) system, and multiple trips may be purchased using one card.

Fare of TransMilenio[14]
Year Rush hour COP Regular hour COP
October 2001$900
February 2001$850

Costs, ridership, and impact

According to a United States Transportation Research Board (TRB) case study report, the initial construction cost for the first phase of $8 million per mile (41 km) was US $240 million, or US $5.9 million/km. In a report presented later by the Ministry of Transport of Colombia, the total cost of the construction of Transmilenio phase one was estimated at 1.4 billion COP (about US$703 million), of which 253.053 million COP (about US$126.5 million) was provided by the Colombian government. The construction of the phase two was estimated at 3.2 billion COP (about US$1634 million), of which 2.1 billion COP (about US$1058 million) was provided by the Colombian government and the rest was provided by the city. The numbers of this report are calculated in money of 2009.[15]

The system is overseen by a public body, which awards contracts to private bus companies on a competitive basis. According to TRB, private contractors are paid based on the total number of kilometers that their vehicles operate.[16]

Daily ridership quickly reached 800,000 after the system opened. TransMilenio has since been expanded. Ridership in early 2006 was 1,050,000 daily, in 2009 it was 1,400,000 daily and in September 2018 it was 2.4 million on a weekday.[1]

There is a plan in the near future to build 57 km of route[17] by creating more lines and extending some of the current ones, as well as improving some stations. However, this plan is not well received by the citizenship; according to surveys made in the city, 42% of the citizens consider that building a rapid transit system should be a priority in order to solve the mobility problem of the city, while 23% consider that more Transmilenio lines should be built.[18]

Although most Bogotans have found Transmilenio to be an improvement over previous bus service, finding the system faster than traditional buses, many feel unsatisfied with it. Of the 37% who use the system on a daily basis, only 19% are satisfied with it.[19] When asked about problems, many complain about overcrowded buses and stations,[20] pickpockets[21] long wait times[22] and sexual assaults as problems. The system has even been ranked as the "most dangerous transport for women".[23]


According to recent polling, Transmilenio has an 86% disapproval rating from users.[24] User strikes have erupted over the bad quality of the service, with users blocking the dedicated lanes used for the buses, at times halting the entire system.[25] These protests sometimes devolve into riots involving heavy police presence and the use of crowd control measures such as tear gas and water cannons.[26]

The system has been described by the users, independent bodies and the media as suffering from overcrowding with an average of eight passengers per square meter,[27][28] insecurity[29][30] and providing bad customer service. During rush hours, "stations are so packed that people can't get off the bus". In some stations the overcrowding is so severe that users must wait in a long line to recharge the Smart card and in another line to enter the station.[31] According to official data in 2017, there were 3404 thefts in TransMilenio stations and 1442 more on buses.[32]

The bad image and quality of the system has caused an increase in the number of cars and motorcycles in the city. Citizens prefer these means of transport over TransMilenio. According to official data, the number of cars increased from approximately 666,000 in 2005 to 1,586,700 in 2016; the number of motorcycles is also grew. 660,000 were sold in Bogota in 2013, twice the number of cars sold.[33]

During construction there were problems with the concrete used to pave the dedicated roads, which had an estimated cost to the city of 1.6 trillion pesos (500 million dollars). In 2012 the secretary of finance of Bogota said that the whole line of Avenida Caracas should be rebuilt as well as some parts of the Avenida 26 line.[34]

Air pollution

In 2015 an study made by the National University of Colombia revealed that 70% of the Air pollution is caused by the buses of the first phase of Transmilenio in the zones near of the existing lines of the system.[35] According to official data more than 50% of the first and second phase buses are hazardous for the environment because they don't fit the atmospheric emissions rules.[32] There is also a big controversy since Transmilenio buses are diesel powered,[36] some academics, councillors and citizens claim that these buses are dangerous for the city since diesel fuels are carcinogens according to the World Health Organization [37] and they point as example the fact that they are asked for banning in other cities like Stuttgart or Stockholm.

Sexual assaults

Women in Bogotá claim that the overcrowding in the system makes it easy for criminals to attack women and go unnoticed.[38] According to a 2012 survey conducted by the Secretary for Women's Issues of Bogotá 64% of women said they have been victims of sexual assault in the system.[39] Several policies have been adopted in order to confront this problem, like an exclusive bus for women,[40] and special undercover policewomen [41], but none of them have been effective against the problem, and sexual assault cases continue.[42][43][44]

Broken buses

In 2017 and 2018 many incidents with Transmilenio buses have been reported while they were operating. There have been cases of buses being burned due to mechanical problems,[45] one bus broken in half,[46] tires flying off the buses and hitting cars,[47][48] and users reporting that water leaks into the buses when it rains.[49]

New fleet

At the end of 2018 Transmilenio ordered 1383 new buses as a replacement of the older ones in service. 52% are compressed natural gas (CNG) buses made by Scania with Euro 6 emission rating, 48% are diesel engine made by Volvo with Euro 5 emission rating. No electric or hybrid buses were ordered, causing great political controversy in Bogotá.

See also


  1. "Transmilenio en cifras Diciembre 2018". Transmilenio (in Spanish). 2019-03-13. Retrieved 2019-03-18.
  2. "Boletín Técnico Encuesta de Transporte Urbano de Pasajeros (ETUP) Cuarto trimestre de 2018" (PDF). Departamento Administrativo Nacional de Estadística (DANE) (in Spanish). 2019-03-01. Retrieved 2019-03-18.
  3. "Bogotá Transmilenio", Bus Rapid Transit Policy Center (February 2007) Archived 2009-02-12 at the Wayback Machine
  4. "Bus Rapid Transit: Bogotá". StreetFilms.
  5. Roger East. "Bogota's bus rapid transit system and cycle lanes". London. Archived from the original on December 12, 2007.
  6. William L. Hamilton (2006-01-12). "A Global Look at Urban Planning". New York Times.
  7. "No voy a ceder: Lucho Garzón". El Tiempo. 2006-05-03.
  8. "Transportadores, divididos ante paro". El Tiempo. May 25, 2006.
  9. "Colombia: TransMilenio bus protests paralyse Bogota". bbc. March 10, 2012.
  10. "Portal de Rutas TransMilenio Mapa Bogota". Retrieved 2012-10-11.
  11. "Con dos estaciones y retrasos comienza a rodar TransMilenio por la 26". El tiempo. 2012-06-29.
  12. "Transmilenio ya funciona por la carrera décima". 2012-09-15.
  13. "Este sábado Transmilenio sube $100". 2019-02-01.
  14. "Aumenta el pasaje para tapar hueco del SITP". El Espectador. 15 March 2017. Retrieved 1 April 2017.
  15. Proyectos de infraestructura y transporte, "Bogotá - Región Capital Cundinamarca", February 2011
  16. TRB Online Case Studies, "TransMilenio BRT", ca. 2001
  17. "Así serán los 57 kilómetros de vías de Transmilenio que se construirán en Bogotá". Caracol radio. 2017-04-16.
  18. "El futuro de Transmilenio". Bogota como vamos. 2014-08-28.
  19. "Encuesta de Percepción Ciudadana 2017 del programa Bogotá como vamos". El tiempo. 2017-11-15.
  20. "Bogota's Transmilenio". Colombia reports. 2012-06-30.
  21. "En un 300% aumentaron los delitos en buses y estaciones de TransMilenio". Rcn radio. 2017-12-31.
  22. "Vuelve y juega: usuarios reportan demoras y monumental trancón en Transmilenio". Publimetro. 2017-11-23.
  23. "EXCLUSIVE-POLL: Latin American cities have most dangerous transport for women, NYC best". Thomas reuters foundation news. 2014-10-29.
  24. "Peñalosa: lo ocurrido contra Transmilenio fue "prácticamente terrorismo"". Retrieved 2016-02-18.
  25. "Colombia: TransMilenio bus protests paralyse Bogota - BBC News". 2012-03-10. Retrieved 2016-02-18.
  26. "Why Are People Rioting Over Bogota's Public Transit System?". CityLab. Retrieved 2016-02-18.
  27. "¿Por qué colapsó TransMilenio?". Revista Semana. 2014-08-03.
  28. "Transmilenio tiene sobrecupo de 100 mil pasajeros". El Espectador. 2011-09-15.
  29. "Continúa la inseguridad en Transmilenio". El Espectador. 2017-08-21.
  30. "¿La inseguridad se apoderó de TransMilenio?". Publimetro.
  31. "[Video] Las cinco estaciones de Transmilenio más congestionadas". Caracol Radio. 2016-08-30.
  32. "Administración de Peñalosa se raja en cifras de hurto y lesiones personales". RCN radio. 2018-03-21.
  33. "Los 10 problemas más graves de Bogotá". Deustche Welle. 2016-10-17.
  34. "La pesadilla de las losas de Transmilenio". Revista Dinero. 2012-07-03.
  35. "Buses de TransMilenio emiten 70 % de contaminación donde operan, según estudio". Blueradio. 2015-04-23.
  36. ""¿Nos vamos a perpetuar con el diésel que es un agente cancerígeno?": críticas a TM en el Concejo". Noticias Caraciol. 2017-09-22.
  37. "Diesel Exhaust and Cancer".
  38. "EXCLUSIVE-POLL: Latin American women disgusted by sex pests on public transport". reuters. 2014-10-28.
  39. "Preocupantes cifras de acoso a mujeres en Transmilenio". noticias RCN. 2013-08-21.
  40. "Distrito pondrá fin a vagones exclusivos para mujeres en TransMilenio". El Espectador. 2013-08-21.
  41. "Mujeres policías trabajan encubiertas contra delitos de género". 2014-07-28.
  42. "Nueva víctima de acoso sexual en TransMilenio denuncia que no recibió ayuda". Publimetro. 2017-09-13.
  43. "Así fue grabado un supuesto depravado que opera en Transmilenio". La FM. 2018-03-09.
  44. "Capturan a un hombre señalado de acosar sexualmente a una mujer en TransMilenio". Publimetro. 2018-02-26.
  45. "Los buses de TransMilenio que se han incendiado generan gran preocupación". Publimetro. 2018-02-28.
  46. "Bogotá: bus del Transmilenio se partió por la mitad tras choque". El Comercio. 2018-10-23.
  47. "Otra vez, un bus de Transmilenio se quedó sin una llanta en pleno recorrido". El Comercio. 2017-09-15.
  48. "Bus de TransMilenio perdió dos ruedas en pleno recorrido por Autonorte". El Tiempo. 2017-09-04.
  49. "Fotos: Usuarios denuncian goteras dentro de los buses de TransMilenio". Publimetro.

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