Puerto Rico Highway 3

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Puerto Rico Highway 3 is the second longest highway in the Commonwealth of Puerto Rico, with near 165 kilometers of length. It runs the coastline of Puerto Rico east of San Juan, beginning in Rio Piedras near Santurce (where it is known as the Avenida 65 de Infantería) 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.

[edit] From San Juan to Fajardo

PR-3 has been for years the main road between San Juan and Carolina, being parallel to PR-26 (Ave. Román Baldorioty de Castro). Recently, PR-66 was opened and it has controlled the high traffic in PR-3. It is a divided highway to Fajardo, and the only main highway connecting Fajardo to Río Grande. In Fajardo, PR-53 begins and PR-3 becomes a one-lane per direction rural road, and keeps that way for the rest of its length.

[edit] Puerto Rico Highway 53

Main article: Puerto Rico Highway 53

Just like PR-22 parallels PR-2 and PR-52 parellels PR-1, PR-53 is the toll highway which parallels PR-3 and they have several exit intersections. Yet, PR-53 has not been completed and PR-3 serves as the main road in the southeastern part of Puerto Rico going from Yabucoa to Guayama, though PR-901 serves as a primary road (because it is shorter through it) between Yabucoa and Maunabo.