Puerto Rico Highway 187 (PR-187) is a road that travels from Río Grande, Puerto Rico to Carolina, passing through Loíza. This highway begins at its intersection with PR-3 and PR-66 in Guzmán Abajo and ends at PR-26 in Isla Verde. Major intersections Related route Puerto Rico Highway 187R (, abbreviated Ramal PR-187 or PR-187R) is a road that branches off from PR-187 to PR-3 in downtown Río Grande. See also List of highways numbered 187 References External links Carretera PR-187, Loíza, Puerto Rico 187