Puerto Rico Highway 101Puerto Rico Highway 101 is a rural road leaving the town of Boquerón, Cabo Rojo and Lajas, to the town of San Germán. Among their intersections are the PR-100, PR-301, PR-103 PR-116, PR-166 and PR-102.Related routePuerto Rico Highway 3101 is a road parallel to PR-101 between the municipalities of Lajas and San Germán. It is known as Calle San Blas in downtown Lajas.