Puerto Rico Highway 188 (PR-188) is a north–south highway that travels from Canóvanas, Puerto Rico to Loíza.

[2] It begins at its intersection with PR-3 and PR-9188 in Canóvanas and ends at its junction with PR-187 near downtown Loíza.

[3] Puerto Rico Highway 9188 (PR-9188) is a connector that branches off from its intersection with PR-3 and PR-188, and ends at PR-66.

[5] The entire route is located in Canóvanas, Canóvanas.

This Puerto Rico road-related article is a stub.