|Maintained by Puerto Rico DTPW|
|South end||PR-14 in Cayey|
|North end||PR-172 in Cidra|
Puerto Rico Highway 171 (PR-171) is a road that travels from Cidra, Puerto Rico to Cayey. It begins at its intersection with PR-172 in downtown Cidra and ends at its junction with PR-14 near downtown Cayey.
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