Puerto Rico Highway 173

Puerto Rico Highway 173 (PR-173) is a road that travels from Aibonito, Puerto Rico to Guaynabo, passing through Cidra and Aguas Buenas. This highway begins at PR-14 junction in Plata and ends at its intersection with PR-1 and PR-8834 in Río.

Related route
Puerto Rico Highway 7173 (PR-7173) is a dead end road that branches off from PR-173 in Sumidero.