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{{Short description|Rapid transit system in Puerto Rico}}
{{about|the rapid transit system in Puerto Rico|the transit system in Lima, Peru, sometimes called "Tren Urbano"|Lima Metro|the commuter rail in Santa Fe Province, Argentina|Santa Fe Urban Train}}
{{Distinguish|Tren Suburbano}}
{{redirect|Urban Train|the Tiësto song|Suburban Train/Urban Train|urban trains in general|Urban rail transit}}
{{Use American English|date=April 2025}}
{{Use mdy dates|date=April 2025}}
{{Infobox public transit
| name             = Tren Urbano
| image            = Logo of Tren Urbano de San Juan.svg
| image2           = Tren Urbano Metro.jpg
| imagesize        = 100px
| imagesize2       = 300px
| caption2         = Train arriving at [[Río Piedras station]]
| locale           = [[San Juan, Puerto Rico|San Juan]], [[Guaynabo]] and [[Bayamón]]
| transit_type     = [[Rapid transit]]
| began_operation  = {{Start date and age|2004|12|17}}
| system_length    = {{Convert|10.7|mi|km|1|abbr=on}}
| stations         = 16
| vehicles         = 74
| train_length     = 4 vehicles (two permanently coupled pairs) during peak hours<br />2 vehicles (one permanently coupled pair) during off-peak hours, weekends and holidays
| headway          = 8 minutes (peak)<br />12 minutes (off peak)
| ridership        = {{American transit ridership|PR San Juan HR daily}} ({{American transit ridership|dailydate}}){{American transit ridership|dailycitation}}
| annual_ridership = {{American transit ridership|PR San Juan HR annual}} ({{American transit ridership|annualdate}}){{American transit ridership|annualcitation}}
| website          = {{URL|tutrenpr.com}}
| headquarters     = [[Guaynabo, Puerto Rico]]
| track_gauge      = {{Track gauge|ussg|allk=on}}
| el               = {{750 V DC|conductor=third rail}}
| average_speed    = {{Convert|20.6|mph|km/h|abbr=on}} (including stops)
| top_speed        = {{Convert|62|mph|km/h|abbr=on}}
| owner            = [[Puerto Rico Department of Transportation and Public Works]]
| operator         = [[Alternate Concepts]]
| map              = {{Tren Urbano Diagram|inline=1}}
}}

The '''''Tren Urbano''''' ([[English language|English]]: Urban Train) is a {{convert|10.7|mi|km|1|adj=on}} [[List of automated urban metro subway systems|automated]] [[rapid transit]] system serving the [[San Juan–Bayamón–Caguas metropolitan area|main metropolitan area]] of [[Puerto Rico]], specifically the capital [[Municipalities of Puerto Rico|municipality]] of [[San Juan, Puerto Rico|San Juan]], and the adjacent municipalities of [[Guaynabo, Puerto Rico|Guaynabo]] and [[Bayamón, Puerto Rico|Bayamón]] in the northeast of the [[Geography of Puerto Rico|main island]]. The Tren Urbano consists of 16 stations operating on {{Convert|10.7|mi}} of track along a single line. In {{American transit ridership|annualdate}}, the system had a ridership of {{American transit ridership|PR San Juan HR annual}}, or about {{American transit ridership|PR San Juan HR daily}} per weekday as of {{American transit ridership|dailydateasof}}.

The Tren Urbano complements other forms of public transportation services in the [[San Juan–Bayamón–Caguas metropolitan area|San Juan metropolitan area]] such as the [[Puerto Rico Metropolitan Bus Authority|Metropolitan Bus Authority]], the [[Cataño Ferry]], taxis, and shuttles. The entire mass transportation system is operated by the Integrated Transit Authority (''ATI''), The Tren Urbano system is operated by [[Alternate Concepts]], Inc. (ACI).<ref name="ACI">{{cite web| url=http://www.acitransportation.com/index.html| title=(home)| website=Alternate Concepts, Inc (ACI)}}
</ref> Tren Urbano is also the [[Caribbean]]'s first rapid transit system.<ref>{{cite web| url=http://www.railway-technology.com/projects/tren/| website=Railway-Technology| title=Tren Urbano Rapid Transit System, Puerto Rico| date=2002}}</ref>

== History ==
[[File:Tramway in front of City Hall in Plaza de Armas, Old San Juan.jpg|thumb|left|Tramway in front of City Hall in Plaza de Armas, [[Old San Juan]] (circa 1902)]]
{{further|Rail transport in Puerto Rico}}
In the late 19th century, while the island was under Spanish rule, [[regional rail]] systems were begun in Puerto Rico. The [[railroad]] continued to be in use under American rule for most of the first half of the 20th century and played a key role in the transportation of people and goods throughout the island. The railroad systems of the period also played a vital role in the [[sugarcane]] industry.

From 1901 to 1946 San Juan had a street [[tram]]way network, known as the [[Rail transport in Puerto Rico#San Juan Tramway|"Trolley" de San Juan]], and was operated by the Porto Rico Railway, Light and Power Company<ref>{{cite web| url=http://home.cc.umanitoba.ca/~wyatt/alltime/a2z-zz.html| title=Canadian Transit Interests Outside Canada| website=University of Manitoba}}</ref> with more than {{convert|20|mi}} of tracks and ran between San Juan and [[Santurce, San Juan, Puerto Rico|Santurce]]. During its heyday, it was the most modern electric streetcar system in Puerto Rico, rivaled New York and Toronto, and transported nearly 10 million passengers a year.

During the 1950s, an industrial boom, partly from development programs such as [[Operation Bootstrap]], led to the downfall of agriculture as the principal industry on the island. Automobiles became more widely available, and more efficient roads and highways and the closure of sugarcane mills displaced the need for rail transportation. Soon, it was realized that an alternative means of [[mass transportation]] was needed to complement the public bus system to alleviate the severe traffic situation that was being created, especially in the [[San Juan metropolitan area]].

=== Return of rail transit ===

==== Proposals ====
[[File:Roosevelt Station of the Tren Urbano.jpg|thumb|Passengers disembarking at Roosevelt Station]]

In 1967, proposals were made for the construction of a rapid rail transit system to serve San Juan. In 1971, the major [[T.U.S.C.A.]] study, funded jointly by the Puerto Rico Planning Board and the US federal government, recommended an islandwide elevated transit system and new community development program. That proposal would have served the [[San Juan–Bayamón–Caguas metropolitan area|San Juan metropolitan area]] and connected it with the rest of the island without the necessity of highway construction. However, it was not until 1989 that the [[Puerto Rico Department of Transportation and Public Works]] (''Departamento de Transportación y Obras Públicas'', or ''DTOP'' in Spanish) officially adopted a proposal to begin design and construction of a rail system for the San Juan metropolitan area. By 1992, various alignments of the proposed system were considered, but the final design chosen served only certain parts of the metro area and did not include Old San Juan. The name "Tren Urbano" (Urban Train) was chosen for the system. In 1993, the [[Federal Transit Administration]] (FTA) selected it as a Turnkey Demonstration Project under the Intermodal Surface Transportation Efficiency Act of 1991. In 1996 and 1997, seven [[design-build]] contracts were awarded for different segments of the Tren Urbano Phase 1 system.

A number of companies shared the tasks for building the Tren Urbano including [[Siemens AG]], which was granted a concession to design and build the line and its rolling stock<ref>{{cite web| url=http://www.kiewit.com/projects/underground/tren-urbano-rio-piedras-section.aspx| website=kiewit.com| title=Projects Tren Urbano – Rio Piedras Section| access-date=June 13, 2009}}</ref> and to operate it for the first five years. The company won a contract in July 1996, the first of its kind in North America.

====Construction====
[[File:Tren Urbano in Bayamón (Puerto Rico).jpg|thumb|Bayamón Station]]
The construction project was plagued by delays, contractual disputes between the government and companies involved in the undertaking, and investigations into possible mismanagement of funds. The project cost was [[United States dollar|US$]]2.28 billion.<ref name='fta_report'>{{cite web |url=http://www.fta.dot.gov/documents/NSPA2007_Final(1).pdf |title=Archived copy |access-date=June 10, 2011 |url-status=dead |archive-url=https://web.archive.org/web/20110520160109/http://www.fta.dot.gov/documents/NSPA2007_Final(1).pdf |archive-date=May 20, 2011 }} FTA – The Predicted and Actual Impacts of New Starts Projects – 2007</ref>
<!-- Deleted image removed: [[Image:Mapa intermodal.jpg|thumb|left|upright|ATI Multi System Map]] -->

====Free service====
The rail system was officially inaugurated on {{start date|2004|12|19}}. Free service was then offered on weekends until April 2005, when weekdays were added to the free service. Popularity grew quickly, and by the end of the free period, 40,000 people were using the train on a daily basis. By late 2005, however, ridership had fallen to 24,000, well below the projection of 110,000 for 2010.<ref>{{cite web| url=http://tollroadsnews.info/artman/publish/article_1161.shtml/| title=Tren Urbano PR another way low transit ridership forecast| website=TOLLROADSNews| date=November 20, 2005| access-date=April 13, 2007| archive-date=October 21, 2008| archive-url=https://web.archive.org/web/20081021101106/http://tollroadsnews.info/artman/publish/article_1161.shtml/| url-status=dead}}</ref>

====Paid service====
Paid fare service started on {{start date|2005|06|06}}.<ref name='fta_report' /> In 2006, average weekday boardings stood at 28,179 and in 2007, ridership decreased to 27,567.<ref name='fta_report' /> By the third quarter of 2008, average weekday ridership had increased to 36,500.<ref>{{cite magazine| url=http://www.apta.com/research/stats/ridership/riderep/documents/08q3hr.pdf| title=Transit Ridership Report| archive-url=https://web.archive.org/web/20090206112918/http://www.apta.com/research/stats/ridership/riderep/documents/08q3hr.pdf| archive-date=February 6, 2009| date=December 4, 2008| magazine=Heavy rail| access-date=December 5, 2008}}</ref>

====Issues and concerns====
The Tren Urbano has no service to [[Old San Juan]], [[Santurce, San Juan, Puerto Rico|Santurce]], [[Luis Muñoz Marín International Airport]] or to many other parts of Guaynabo, Bayamón, and San Juan, and it does not serve important suburbs like [[Cataño]], [[Toa Baja]], [[Toa Alta]], [[Carolina, Puerto Rico|Carolina]], [[Trujillo Alto]], and [[Canóvanas]], limiting ridership. Some question the viability of the system for additional reasons, such as the lack of an island-wide public-transportation system, such as the [[T.U.S.C.A.]] system proposed in 1971. The inner-city public bus transportation system, the [[Puerto Rico Metropolitan Bus Authority|Metropolitan Bus Authority (AMA)]], which operates in the Greater San Juan Metro Area, is considered unreliable by most people, and does not have a regular schedule. Integration with other transit systems, such as the [[Puerto Rico Metropolitan Bus Authority|AMA]] and the [[AcuaExpreso]] (an urban ferry), was initially poor and remains a challenge for the DTOP.

====COVID-19 crisis====
During the [[COVID-19 pandemic in Puerto Rico|COVID-19 pandemic]], services on the Tren Urbano were halted by executive order to stop the spread of the virus.<ref>{{cite web| url=https://www.elnuevodia.com/noticias/locales/notas/nueva-orden-ejecutiva-suspende-las-operaciones-del-tren-urbano-y-la-ama/|title=Nueva orden ejecutiva suspende las operaciones del Tren Urbano y la AMA|website=El Nuevo Dia| date=July 17, 2020 | access-date=September 4, 2020}}</ref>

== Route ==
{{Main|List of San Juan Tren Urbano stations}}
Tren Urbano operates on a single route through mostly suburban areas. The line has 16 stations, ten of which are elevated, four at grade or in open cuttings, and two underground. All stations are designed to handle three [[twin unit|permanently-coupled pairs]] (6 cars). The stations in the system are:
* [[Sagrado Corazón station|Sagrado Corazón]] ([[Sagrado Corazón / Monteflores (Santurce)|Sagrado Corazón]])
* [[Hato Rey station|Hato Rey]] ([[Milla de Oro|Golden Mile]] / [[José Miguel Agrelot Coliseum]])
* [[Roosevelt station (Puerto Rico)|Roosevelt]] (Roosevelt Ave. and Ponce de León Ave.)
* [[Domenech station|Domenech]] ([[Hato Rey, Puerto Rico|Hato Rey]])
* [[Piñero station|Piñero]] ([[Hato Rey, Puerto Rico|Hato Rey]])
* [[Universidad station (Puerto Rico)|Universidad]] ([[University of Puerto Rico at Río Piedras]])
* [[Río Piedras station|Río Piedras]] ([[Río Piedras, Puerto Rico|Río Piedras]])
* [[Cupey station|Cupey]]
* [[Centro Médico station (Puerto Rico)|Centro Médico]] (Puerto Rico Medical Services Administration and [[University of Puerto Rico, Medical Sciences Campus]])
* [[San Francisco station (Puerto Rico)|San Francisco]] (535 parking spaces)
* [[Las Lomas station|Las Lomas]]
* [[Martínez Nadal station|Martínez Nadal]] (1,200 parking spaces)
* [[Torrimar station|Torrimar]] ([[Guaynabo, Puerto Rico|Guaynabo]]) (45 parking spaces)
* [[Jardines station|Jardines]] (128 parking spaces)
* [[Deportivo station|Deportivo]] ([[Juan Ramón Loubriel Stadium]] and [[Coliseo Rubén Rodríguez]])
* [[Bayamón station|Bayamón]] ([[Bayamón, Puerto Rico|Bayamón]]) (400 parking spaces)

Each station boasts unique artwork and architectural style.

=== Fares ===
[[File:TrenUrbanoTicket.png|thumb|left|Tren Urbano fare card in 2012]]
A single trip costs $1.50 ($0.75 if customers transfer from an [[Autoridad Metropolitana de Autobuses|AMA bus]]), including a 1-hour bus transfer period. If a customer exits the station and wants to get back on the train, the full fare must be re-paid; there is no train-to-train transfer period. Students and seniors (aged 60–74) pay 75 cents per trip. Senior citizens older than 75 and children under 6 ride for free. Several unlimited-ride passes are also available.

A stored-value multi-use farecard may be used for travel on buses and trains. The value on the card is automatically deducted each time that it is used. The system is similar to the [[MetroCard (New York City)|MetroCard]] system used in [[New York City Subway|New York City]].

In February 2024 the Integrated Transport Authority announced a complete overhaul of its fare collection system. The new fare system will have a contactless payment card and will have NFC readers that will accept contactless debit and credit cards as well as Apple Pay, Google Pay and Samsung Pay, and smart watches. The system is being installed by Cubic, and is similar to the New York City Subway's [[OMNY]] card. <ref>{{cite web|url=https://www.entrelasvias.com/hablandoelv/2025/2/5/que-ha-pasado-con-el-sistema-de-cobro-del-tren-urbano|title= What happened to the urban train fare system and the AMA?}}</ref>

=== Rolling stock ===
[[File:Tren Urbano maintenance and storage facility (2).jpg|thumb|right|325px|Tren Urbano maintenance and storage facilities]]
Tren Urbano's fleet consists of 74 [[stainless steel]]-bodied [[Passenger car (rail)|cars]], each {{convert|75|ft|m}} long. Each vehicle carries 72 seated and 108 standing passengers. Trains are capable of a maximum speed of {{convert|62|mph|km/h}} but average {{convert|20.6|mph|km/h}} during regular operation, including stops. All cars operate as [[married pair]]s, and up to three pairs run together at any given time. Tren Urbano operates 15 trains during rush hours, with the remaining cars serving as spares. The rolling stock was assembled at the Siemens plant in [[Florin, California]].<ref>{{cite web| url=http://www.railway-technology.com/projects/tren-urbano-san-juan/| title=San Juan Tren Urbano| website=Railway Technology}}</ref>

Power is provided by [[AC motor|AC traction motors]], which were chosen over [[DC motor|DC]] since they contain fewer moving parts and require less maintenance. The trains share many characteristics with the stock built by Siemens for [[Blue Line (MBTA)|MBTA's Blue Line]] route (700 series). The system is [[railway electrification system|electrified]] by [[third rail]] at 750&nbsp;[[volt|V]]&nbsp;[[direct current|DC]].

Air-conditioning systems have been specially designed to cope with the hot and muggy conditions that are commonly experienced in the metropolitan area.

A yellow powered flat car is visible at the maintenance facility. Some metro cars have been used to transport material when they are not in service.

===Tren Urbano facilities===
Rolling stock for Tren Urbano metro cars are stored at the '''Hogar del Niño Operations and Maintenance Building''', near the exit to [[PR-21]] from [[PR-20]] and a short distance from [[Martínez Nadal station]].<ref>{{cite web| url=https://www.nycsubway.org/perl/show?80652| title=Showing Image 80652| website=nycsubway.org}}</ref> The metro cars are stored on outdoor tracks.

Both Bayamón and Sagrado Corazon stations have terminal tracks with capacity to store two train sets.

=== Bus terminals ===
{{Main|Puerto Rico Metropolitan Bus Authority}}
The bus system in the San Juan metropolitan area has been reoriented around the Tren Urbano. Five train stations also serve as bus terminals: Sagrado Corazón, Piñero, Cupey, Martínez Nadal, and Bayamón.

== Expansion plans ==
{{Update|section|date=June 2015|inaccurate=yes}}
[[File:San Juan Tren Urbano extensions (01).png|thumb|325px|Map of the Urban Train, including future extensions planned by the Department of Transportation and Public Works of Puerto Rico (DTOP)]]
The infrastructure of the Tren Urbano, with stations built for six–car train sets and a minimum headway of 90 seconds, has a maximum capacity of 40,000 passengers per hour per direction, compared to 3,000 passengers per hour per direction for the current peak hour 8 minute headway and 4-car trains and to an actual daily ridership of roughly 40,000. The system thus operates at 13% capacity, well under the 110,000 rail passengers planned by 2010.

[[File:Tren Urbano Carolina Tunnel (Easterly Bound).jpg|thumb|Carolina Tunnel (1 of 2) at the Río Piedras subway station.]]
With a fleet of 74 rail vehicles in the local yard to cover at least twice the 10.7-mile (17.2-km) system length, the basic facilities and capital equipment needed for expansion are in place. The system was originally intended to include higher-density areas of the central district, which would make operations more successful and sustainable.

The Puerto Rico's Department of Transportation and Public Works (DTPW) has identified the following future phases:

=== Phase 1A ===
* '''Phase 1A'''<ref>{{cite web| url=http://www.fta.dot.gov/publications/reports/reports_to_congress/planning_environment_2947.html| website=fta.dot.gov| archive-url=https://web.archive.org/web/20100528015511/http://www.fta.dot.gov/publications/reports/reports_to_congress/planning_environment_2947.html| archive-date=May 28, 2010| title=Projects Tren Urbano – San Juan, Puerto Rico/Minillas Extension| access-date=April 21, 2010}}</ref> includes the extension of the original line westward from the current terminal at [[Sagrado Corazón (Tren Urbano station)|Sagrado Corazón]] (Sacred Heart) through a medium- to high-density corridor with two stations: San Mateo to a new terminal at Minillas at the heart of [[Santurce, San Juan, Puerto Rico|Santurce]], a distance of 1,500 meters, with a possible transfer from Minillas to a future tram line from the historic district of [[Old San Juan]] to [[Luis Muñoz Marín International Airport]]. Phase 1A was approved by the [[United States Environmental Protection Agency]].<ref>{{cite web| url=http://www.epa.gov/EPA-IMPACT/1997/August/Day-21/i22257.htm| archive-url=https://archive.today/20120629074319/http://www.epa.gov/EPA-IMPACT/1997/August/Day-21/i22257.htm| url-status=dead| archive-date=June 29, 2012| website=U.S. Environmental Protection Agency| title=Environmental Impact Statement on the Phase 1A Extension of Tren Urbano| access-date=April 12, 2010}}</ref>
* By the end of fiscal 2008, the legislature identified federal funds for the expansion of the train in its second phase. It was expected that during fiscal year 2009, the legislature would begin to issue bonds for that purpose. {{As of|2019}}, there are no plans to expand Tren Urbano.

=== Phase 2 ===
* Upon opening of the Tren Urbano, there were further proposals to extend the rail system to other municipalities such as [[Carolina, Puerto Rico|Carolina]]. A two-way tunnel, 136&nbsp;ft (42 meters) long, south of the Río Piedras Station is already built for a future expansion along the heavily-transited 65th Infantry Avenue.<ref>{{cite web| url=http://www.auca.org/month/trenurbano.html| website=American Underground-Construction Association| archive-url=https://web.archive.org/web/20070929101831/http://www.auca.org/month/trenurbano.html| archive-date=September 29, 2007| title=Tren Urbano}}</ref>
* In 2012, the government informed that it had no plans to expand the Tren Urbano in the future and that it was considering other alternatives to help alleviate traffic.<ref>{{cite news| url=http://www.elnuevodia.com/abandonaelgobiernolaeradeltrenurbano-1182746.html| title=Abandona el gobierno la era del Tren Urbano| work=[[El Nuevo Día]]| last=Ortíz| first=Joel| date=February 5, 2012| language=es}}</ref>

=== Phase 3 ===
* In 2016, Tren Urbano contracted ACI-Herzog, a joint venture of [[American Concrete Institute|ACI]] and [[Herzog & de Meuron|Herzog]], to improve the reliability and performance of the propulsion system. ACI-Herzog then successfully collaborated with AmePower to achieve this goal by conducting a modernization of 74 Tren Urbano train cars using Insulated-Gate Bipolar Transistor ([[Insulated-gate bipolar transistor|IGBT]]) technology. The project was completed in March 2017.<ref>{{Cite web |last=Contreras |first=Luis |date=March 8, 2024 |title=Modernizing Puerto Rico Heavy Rail |url=https://www.amepower.com/tren-urbano |access-date=March 7, 2024 |website=AmePower}}</ref>

=== Other projects ===
There are several projects to improve public transport connectivity:
* Also being considered (2008) is a tramway from Sagrado Corazón station to colonial [[Old San Juan, Puerto Rico|Old San Juan]] in [[Puerta de Tierra, Puerto Rico|Puerta de Tierra]], where many of [[Puerto Rico]]'s state government buildings are located. It would run partially on an existing right-of-way on Fernández Juncos Ave.<ref>{{cite web| url=http://www.enrieles.com/| website=enrieles.com| archive-url=https://web.archive.org/web/20070501112145/http://www.enrieles.com/| archive-date=May 1, 2007| title=San Juan Tramway Proposal| language=es| access-date=April 15, 2010}}</ref> The first line of the tramway would be built by the Municipality of San Juan (MSJ) and will be known as the ''Sistema de Asistencia, Transportación y Organización Urbana'' (System of Assistance, Transportation and Urban Organization) (SATOUR).
* There is a proposal to build a second [[tram|tram line]] to Carolina, possibly with a station at Luis Muñoz Marín International Airport.
* The extension of a line to [[Caguas]] from the Centro Médico or Cupey stations has been considered.
* A second plan for the development of a line to Caguas with a new "[[Railcar#New-generation DMU and EMU railcars|Light regional railcar]]" network system would have future extensions throughout the island.<ref>{{cite web| url=http://www.oficinascomerciales.es/icex/cda/controller/pageOfecomes/0,5310,5280449_5282957_5284971_558755_US,00.html| website=oficinascomerciales.es| archive-url=https://web.archive.org/web/20070928044719/http://www.oficinascomerciales.es/icex/cda/controller/pageOfecomes/0,5310,5280449_5282957_5284971_558755_US,00.html| archive-date=September 28, 2007| title=Proyecto de tren ligero entre Caguas y San Juan| language=es| access-date=April 12, 2010}}</ref>
{{further|San Juan-Caguas Rail}}

== Network map ==
{{Rapid transit OSM map
| system_qid   = Q1577126
| frame-lat    =  18.40
| frame-long   = -66.105
| frame-width  = 750
| frame-height = 470
| zoom         = 12
| length       = yes
}}

== See also ==
{{Portal|Puerto Rico|Trains}}
* [[List of Latin American rail transit systems by ridership]]
* [[List of metro systems]] worldwide
* [[List of Puerto Rico railroads]]
* [[List of United States rapid transit systems by ridership]]
* [[Metro systems by annual passenger rides]]
* [[Rail transport in Puerto Rico]]
* [[Transportation in Puerto Rico]]
* [[T.U.S.C.A.]]

== References ==
{{Reflist}}
* {{cite web| url=http://www.railway-technology.com/projects/sanjuan/| website=Railway-Technology| title=San Juan}}

== External links ==
{{Commons category|San Juan Tren Urbano}}
{{External media
| float  = right
| width  = 300px
| image1 = [http://world.nycsubway.org/us/sanjuan/index.html Rapid Transit Systems – San Juan] – Photographs of the Tren Urbano
}}
* [http://trenurbanoapp.com/ Tren Urbano App (unofficial app)]
* [http://www.endi.com/XStatic/endi/template/columna.aspx?c=226441 Urge darle vida al Tren Urbano] – Editorial de El Nuevo Día {{in lang|es}}
* [https://web.archive.org/web/20040827050054/http://www.urbantransport-technology.com/projects/sanjuan/ Urban Transport Technology] – San Juan Tren Urbano Heavy Rail System, Puerto Rico
* [http://www.celsoportela.com/html/d_web/artepublico/html_espanol/ambitos/tren_urbano/index.htm Puerto Rico Public Art Project – Tren Urbano] {{Webarchive|url=https://web.archive.org/web/20080921235541/http://www.celsoportela.com/html/d_web/artepublico/html_espanol/ambitos/tren_urbano/index.htm |date=September 21, 2008 }} – Photos and information related to the artwork located on each of the train route's stations.
* [http://enrieles.com/ En Rieles] – Campaign to promote San Juan Tram {{in lang|es}}
* [http://mapa-metro.com/en/puerto-rico/san-juan/san-juan-tren-urbano-map.htm Unofficial Tren Urbano site in english, spanish, french, german and italian]

{{Tren Urbano}}
{{Puerto Rico railroads}}
{{USSubway}}
{{Coord|18.39055|-66.10618|region:US-PR_type:railwaystation|display=title}}

{{DEFAULTSORT:Tren Urbano}}
[[Category:Tren Urbano| ]]
[[Category:2004 establishments in Puerto Rico]]
[[Category:750 V DC railway electrification]]
[[Category:Passenger rail transport in Puerto Rico]]
[[Category:Railway lines opened in 2004]]
[[Category:Rapid transit in Puerto Rico]]