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 18 (PR-18) is a freeway in Puerto Rico, which is also known as Expreso Las Américas. It runs from its north end at its intersection with PR-22 in San Juan to its south end in Río Piedras where it intersects with PR-1. At this point PR-18 becomes PR-52, known as Autopista Luis A. Ferré.
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 6 (PR‑6) is a 1.7-kilometer (1.1-mile) long north‑south urban primary highway within the barrio of Juan Sánchez in the municipality of Bayamón, Puerto Rico, that serves as a by-pass route from Puerto Rico Highway 5 (PR‑5) to Puerto Rico Highway 2 (PR‑2). The entire route is also known as Expresito de Villa España or Calle San José.
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 60 (PR-60) or Avenida Dionisio Casillas is a 1.9-mile-long (3.1 km) freeway entirely located in Humacao, Puerto Rico. It connects Puerto Rico Highway 30 to Puerto Rico Highway 3 and has two exits:
Puerto Rico Highway 66 (PR-66) is a main tollway which parallels Puerto Rico Highway 3 going from the city of Carolina, Puerto Rico via a 3 loops cloverleaf interchange with PR-26 and PR-3, a major exit in the form of a Trumpet interchange in Canóvanas, Puerto Rico and ending in the municipality of Río Grande, Puerto Rico with an intersection of PR-3. It is only 19.5 kilometres (12.1 mi) long and has very few exits, which work mainly to minimize traffic in the congested Carolina area of PR-3.
Puerto Rico Highway 15 (PR-15), formerly Route 4, is a main highway connecting Cayey and Guayama. It takes longer though, than going south to Salinas through PR-52 and taking PR-53 to Guayama, due to it being a rural road.
Puerto Rico Highway 901 (PR-901) is a highway in the southeast coast of Puerto Rico which begins at its junction with PR-182 in Yabucoa and ends at its intersection with PR-760 in Manuabo.
Puerto Rico Highway 149 (PR-149) is a secondary highway in Puerto Rico that connects the towns of Manatí in the north coast of Puerto Rico, from PR-22 to Juana Díaz in the south coast, ending at PR-1.
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 578 (PR-578) is tertiary state highway in Ponce, Puerto Rico. The road runs from east to west, parallel to PR-1, and it forms the boundary between the northern end of barrio Bucaná and the southern end of barrio Sabanetas. The road is located entirely within the municipality of Ponce.
José M. Dávila Monsanto was a Puerto Rican politician and lawyer who in 1938 co-founded the political party Partido Popular Democrático de Puerto Rico. He served in the Puerto Rican Senate as a representative of the PPD.
Puerto Rico Highway 152 (PR-152) is a rural road that travels from Barranquitas to Naranjito in Puerto Rico. This road extends from PR-156 in downtown Barranquitas and ends at its junction with PR-5 and PR-164 near downtown Naranjito.
Puerto Rico Highway 869 (PR-869) is a north–south road located in Cataño, Puerto Rico. It begins at its intersection with PR-5 and PR-22 near Bayamón municipal limit and ends at its junction with PR-165 near Toa Baja municipal limit.
Puerto Rico Highway 633 (PR-633) is an east–west rural road located between the municipalities of Ciales and Morovis, Puerto Rico. It begins at its intersection with PR-149 in Hato Viejo barrio and ends at its junction with PR-155 in Barahona.
Puerto Rico Highway 744 (PR-744) is a north–south road located entirely in the municipality of Guayama, Puerto Rico. With a length of 2.7 kilometers (1.7 mi), it begins at its intersection with PR-3 in downtown Guayama and ends at Sector Central Machete in Machete barrio.
PR-53 in Palmas 
PR-3 / PR-748 in Algarrobo
PR-54 allows people to access PR-3 from PR-53 without having to enter downtown Guayama
Guayama welcome sign from Highway 54
