Caguas is a city and municipality of Puerto Rico located in the Central Mountain Range of Puerto Rico, south of San Juan and Trujillo Alto, west of Gurabo and San Lorenzo, and east of Aguas Buenas, Cidra, and Cayey. Caguas was founded in 1775. The municipality had a population of 127,244 at the 2020 census.
Cayey, officially Cayey de Muesas, is a mountain town and municipality in central Puerto Rico located on the Sierra de Cayey within the Central Mountain range, north of Salinas and Guayama; south of Cidra and Caguas; east of Aibonito and Salinas; and west of San Lorenzo. Cayey is spread over 21 barrios plus Cayey Pueblo. It is part of the San Juan-Caguas-Guaynabo Metropolitan Statistical Area.
Puerto Rico Highway 52 (PR-52), a major toll road in Puerto Rico, is also known as Autopista Luis A. Ferré. It was formerly called Expreso Las Américas. It runs from PR-1 in southwest Río Piedras and heads south until it intersects with highway PR-2 in Ponce. At its north end, the short PR-18 continues north from PR-52 towards San Juan. This short segment is known as Expreso Las Américas, the only segment of the route still unofficially bearing this name, since PR-18 is officially named Roberto Sánchez Vilella Expressway. The combined route of PR-18 and PR-52 runs concurrent with the unsigned Interstate Highway PRI-1. Toll stations are located in San Juan, Caguas, Salinas, Juana Díaz, and Ponce.
Puerto Rico Highway 22 (PR-22), also part of unsigned Interstate PR2, is an 84.3 km (52.4 mi) long toll road on the north coast of Puerto Rico that connects the cities of San Juan and Hatillo. The road is also known as the José de Diego Expressway, and is part of unsigned Interstate PR-2. It is a 4-lane road for much of its length, but expands to up to 12 lanes in the San Juan metro area. The road is frequently congested, in particular during rush hour due to heavy commuter traffic.
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.
Puerto Rico Highway 10 (PR-10) is a major highway in Puerto Rico. The primary state road connects the city of Ponce in the south coast to Arecibo in the north; it is also the shortest route between the two cities.
Puerto Rico Highway 12 (PR-12), also called Avenida Malecón, and Avenida Santiago de los Caballeros, is a 6.4-kilometer, limited-access highway entirely located within the city limits of Ponce, Puerto Rico, and connecting Puerto Rico Highway 14 to the La Guancha area in Barrio Playa in Ponce. It is similar to a freeway but has one traffic light near its intersection with PR-14. In addition to its northern and southern terminus, the highway has four full interchange exits: PR-52, PR-2, PR-133/Calle Comercio, and Avenida Las Américas. Since PR-12's southern terminus is at the Port of Ponce, its traffic volume is expected to grow as construction in the new Port of the Americas is completed.
Puerto Rico Highway 14 (PR-14) is a main highway connecting Ponce to Cayey, Puerto Rico. The road runs the same course as the historic Carretera Central. The Ponce-to-Coamo section of PR-14 was built under the direction of Spanish engineer Raimundo Camprubí Escudero.
Puerto Rico Highway 184 (PR-184) is a main, rural highway that connects Patillas to Cayey, Puerto Rico, with plans to be extended to Cidra. It extends from PR-3 in Cacao Bajo to PR-1 in Beatriz.
The Ruta Panorámica, officially the Ruta Panorámica Luis Muñoz Marín, is a 167-mile (269 km) network of some 40 secondary roads which traverse the island of Puerto Rico from west to east along its Cordillera Central. Most of the route consists of three roads, PR-105, PR-143, and PR-182. The route starts in Mayagüez and ends in Maunabo. The first major segment of the route runs from Mayagüez to Maricao as Route 105, then from Adjuntas to Aibonito as Route 143, and then follows Route 182 toward Maunabo.
The Arenas Bridge is a truss bridge built in 1894 between the municipalities of Cayey and Cidra in Puerto Rico. Also known as Puente Rio La Plata, it was the longest bridge constructed in Puerto Rico during the Spanish colonial period. It crosses the Rio de la Plata, the longest river in Puerto Rico. According to the U.S. National Park Service, "[t]his is the most important metal bridge in Puerto Rico from the period." The bridge is still standing.
The Carretera Central is a historic north–south central highway in Puerto Rico, linking the cities of San Juan and Ponce by way of Río Piedras, Caguas, Cayey, Aibonito, Coamo, and Juana Díaz. It crosses the Cordillera Central. Plans for the road started in the first half of the 19th century, and the road was fully completed in 1898. At the time the United States took possession of Puerto Rico in 1898, the Americans called it "the finest road in the Western Hemisphere."
Puerto Rico Highway 133 (PR-133) is a major access road in Ponce, Puerto Rico. The road is 1.2 miles long and consists of three segments called "Calle Comercio", "Avenida Cuatro Calles", and "Avenida Ednita Nazario". The road has both of its endpoints, as well as its entire length, within the Ponce city limits. It runs west to east. The road is a main access road from downtown Ponce to PR-1, providing access to Guayama and all other points in the eastern portion of the Puerto Rico, and to PR-52, which provides expressway access to San Juan.
Puerto Rico Highway 506 (PR-506) is a two-lane tertiary highway in the municipality of Ponce in Puerto Rico. The road runs north to south, joining PR-14, where PR-506 starts, to PR-52 interchange, where it ends. The road is located entirely within Barrio Coto Laurel and its length is 2.0 km (1.2 mi).
Porta Cordillera, or simply Central Region, is a land-locked tourism region located in the central mountainous area of Puerto Rico. Porta Cordillera was officially launched in July 2012 by the Puerto Rico Tourism Company. It consists of 16 municipalities: Aguas Buenas, Cidra, Cayey, Comerío, Aibonito, Naranjito, Barranquitas, Corozal, Orocovis, Morovis, Ciales, Jayuya, Florida, Utuado, Adjuntas and Lares.
The Roads in Puerto Rico are the national, forest and municipal roadways that make up the approximately 14,400 kilometers (8,900 mi) roads through the terrain of Puerto Rico. The highways serve the more than 3 million residents, and 3-4 million tourists who visit each year.
PR-123 in Primero–Segundo 
