Puerto Rico Highway 165 (PR-165) is the road that goes from Naranjito to Guaynabo. The highway passes by Toa Alta, Toa Baja, Dorado, Levittown, Cataño and Guaynabo. The PR-165 begins in the PR-164 (road from Naranjito to Corozal) and ends at San Patricio (near Caparra). From Naranjito to Toa Alta it is a rural road. In Toa Baja it becomes a divided highway. In Dorado the road is one lane in each direction and parallel to the northern coast of Puerto Rico. In Levittown it becomes a divided highway before ending at San Patricio. In Cataño it is a short highway which begins at the Bacardi Distillery and ends at the Federal Prison.