The following is a list of railroads operating in the U.S. Commonwealth of Puerto Rico.
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Transportation in Puerto Rico includes a system of roads, highways, freeways, airports, ports and harbors, and railway systems, serving a population of approximately 4 million year-round. It is funded primarily with both local and federal government funds.
The Tren Urbano is a 10.7-mile (17.2 km) automated rapid transit system that serves the municipalities of San Juan, Guaynabo, and Bayamón, in Puerto Rico. The Tren Urbano consists of 16 stations operating on 10.7 miles (17.2 km) of track along a single line. In 2023, the system had a ridership of 2,738,100, or about 17,900 per weekday as of the third quarter of 2024.
Rail transport in Puerto Rico currently consists of a 10.7-mile (17.2 km) passenger metro system in the island's metropolitan area of San Juan. Its history can be traced back to the mid-19th century with the construction of a limited passenger line in Mayagüez. Between the late 19th and early 20th centuries, Puerto Rico's rail transport system expanded significantly, becoming one of the largest rail systems in the Caribbean at the time thanks to an economic boom in agriculture industries, especially the sugar cane industry. The rail system was expanded to include passenger travel with a direct line from the island's northern capital of San Juan to the western and southern cities and towns, greatly improving travel and communication within the island. However, the entire system was soon overshadowed by the arrival of the automobile, and by the 1950s was completely abandoned. Small remnants of this system still exist in some parts of Puerto Rico, some conserved for tourism purposes.
Puerto Rico Highway 2 (PR-2) is a road in Puerto Rico that connects the cities of San Juan and Ponce. At 156 miles (230 km) long, it is Puerto Rico's longest singled-signed highway.
Puerto Rico Highway 3(PR-3) at nearly 100 miles long, is the second-longest highway on Puerto Rico. It connects the San Juan neighborhood of Río Piedras to downtown Salinas indirectly around the eastern coast of the island. Highway 3 ranges from a three lane urban avenue in San Juan to a one lane rural road past Fajardo. While other roads connect San Juan, it runs the coastline of Puerto Rico east of San Juan, beginning in Río Piedras near Santurce and goes to Fajardo where it goes south paralleling the coastline to Humacao and Maunabo. It goes up to a mountain-scenic route and goes west to Salinas, where it meets PR-1.
Puerto Rico Highway 53 (PR-53) or unsigned Interstate PR3 is a main tollway that is parallel to Puerto Rico Highway 3, which goes from Fajardo to Salinas. Some segments are still in planning, but when finished it will be about 58 miles (93 km) in length. Two tunnels, about 0.6 mi (1 km) long each, in the towns of Yabucoa and Maunabo were completed in October 2008. It will connect the cities of Fajardo, Ceiba, Naguabo, Humacao, Yabucoa, Maunabo, Patillas, Arroyo, Guayama and Salinas, thus bordering the entire eastern and southeastern coasts of Puerto Rico. Its northern terminus is at PR-3 and PR-194 in Fajardo, and its south terminus is at PR-52 in Salinas.
The San Juan–Bayamón–Caguas metropolitan area, most commonly known as the San Juan metropolitan area, is the largest and most populous metropolitan statistical area (MSA) in Puerto Rico, concentrated in the capital municipality of San Juan and surrounding municipalities, including Bayamón, Caguas, and Carolina, on the northeastern coastal plain of the main island. One of 6 metropolitan statistical areas in Puerto Rico, it lies within the San Juan–Bayamón combined statistical area (CSA), which is one of 3 primary statistical areas in the main island as defined by the United States Census Bureau. As of 2023, census estimates place the population of the San Juan–Bayamón–Caguas metropolitan area at 2,035,733.
The Train of the South — or Tren del Sur in Spanish — is a historic 1,000 mm narrow gauge heritage railroad operating within the U.S. commonwealth of Puerto Rico in Arroyo. It was formed in 1984 to preserve the last surviving sugar cane plantation line still in existence on the entire island, which was part of a large railroad system that operated around Puerto Rico prior to the 1950s.
The Puerto Rico Department of Correction and Rehabilitation is the law enforcement executive department of the government responsible for structuring, developing, and coordinating the public policies in Puerto Rico, an unincorporated territory of the U.S. The department has authority over its correctional system and the rehabilitation of its adult and young population who have broken the law.
The Puerto Rican Episcopal Conference (CEP) is the episcopal conference of the Roman Catholic bishops of Puerto Rico, a territory of the United States.
The following is a timeline of the history of the municipality of Mayagüez, Puerto Rico.
The American Railroad Company (ARR) owned and operated a railroad in Puerto Rico.
In 1953, the Puerto Rico Department of Transportation and Public Works implemented a major renumbering of its insular highways. Before 1953, highway routes were numbered in the 1 to just over 100 range and were distributed randomly throughout the island, resulting in several routes with long road lengths. The numbering system adopted in 1953, which is in use today, increased the range of route numbers from the just-over-100 to 999, resulting in a decrease in the length of many routes. This new numbering system follows a grid pattern for highways numbered between 100 and 999, with the lower numbered roads found to the west and systematically increasing towards 999 as the traveler moves easterly. Although PR-1, PR-2 and PR-3 routes had notable changes in some of their segments, these three are the only highways that kept their route numbers intact due to their interregional prominence.
The Historical Railway of Puerto Rico — or Ferrocarril Histórico de Puerto Rico in Spanish — was a historic 1,000 mm narrow gauge heritage railroad operating within Puerto Rico, an Insular area of the United States. It was located in Fajardo between 1971 and 1975.
Pueblo is a term primarily used in Puerto Rico to refer to the municipal district (barrio) that serves as the administrative, historic and cultural center of a municipality. The concept of pueblo is often used locally as analogous to the concept of downtown in U.S. cities. Pueblos are officially called barrio-pueblo by the United States Census since 1990.
