Cataño to Bayamón PR-5 begins in a dead end in downtown Cataño, on a peninsula overlooking
San Juan Bay. It crosses downtown Cataño on an urban street, passing through the
main square. Shortly after an intersection with
PR-165, it becomes a divided avenue until reaching PR-22 at the Bayamon city limit. After the PR-22 intersection, it becomes a freeway, paralleling the Metro Urbano
bus rapid transit route. After an intersection with PR-29, it becomes an avenue in downtown Bayamon, where the Metro Urbano ends. After the intersection with PR-2, it becomes a tolled freeway until this section ends, becoming the western section of PR-199. PR-5.jpg|PR-5 south in
Bayamón Carretera PR-2, intersección con la carretera PR-5, Bayamón, Puerto Rico (1).jpg|
PR-2 east approaching PR-5 interchange in Bayamón
Toa Alta to Naranjito This section begins at an intersection with PR-167, near the border with Bayamon. This segment passes through the
Jesús Izcoa Moure Bridge and is a freeway until the junction with
PR-148. It then continues as a non divide highway, and then becomes divided until its end at an intersection with PR-164 and PR-152. This entire segment was originally known as
PR-147. Puente Atirantado en Naranjito, Puerto Rico - panoramio.jpg|Jesús Izcoa Moure Bridge near Naranjito Carretera PR-5, Naranjito, Puerto Rico (1).jpg|PR-5 south in Naranjito ==Tolls==