Puerto Rico Highway 172

Highway 172
Highway 172
Ruta 172
Route information
	Maintained by Puerto Rico DTPW
Length	28.3 km (17.6 mi)
Existed	1953–present
Major junctions
West end	PR-156 in Naranjo
	PR-7774 in Vega Redonda; PR-7733 in Río Abajo–Ceiba–Rabanal; PR-173 in Cidra barrio-pueblo; PR-171 / PR-734 in Cidra barrio-pueblo; PR-7733 in Bayamón–Arenas; PR-787 in Arenas–Bayamón; PR-785 in Cañaboncito; PR-784 in Cañaboncito; PR-52 in Turabo–Cañaboncito; PR-32 in Cañaboncito–Turabo;
East end	PR-1 in Caguas barrio-pueblo
Location
Country	United States
Territory	Puerto Rico
Municipalities	Comerío, Cidra, Caguas
Highway system
	Roads in Puerto Rico; List;

Puerto Rico Highway 172 (PR-172) is a secondary highway that connects Caguas, Puerto Rico at PR-1 to downtown Cidra, Puerto Rico and continues its way to its end at Puerto Rico Road 156 in Comerío, Puerto Rico. It is a two-lane per direction road from Caguas to its border point to Cidra and rural all the way to Comerío.