Puerto Rico Highway 172

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Puerto Rico Highway 172 is a main highway that connects Caguas, Puerto Rico at PR-1 to downtown Cidra, Puerto Rico. It is a two-lane per direction road from Caguas to its border point to Cidra.

[edit] Dangerous Highway

Puerto Rico Highway 172 is perhaps the most dangerous highway in the island in terms of its design. In its way to Cidra, it has about 4 kilometers going uphill. One side of the road is extremely close to the blasted mountain (See Blasting), meaning that landslides would fall in the right lane of the direction close to it; the other side is near a precipice, with barriers that are not safe. The two directions are not divided, and cars can easily collide front-to-front. Several people have died in this highway. Only one emergency ramp has been built to provide safety in the down part of the mountain.

[edit] Rural Road in Cidra

Similar to other highways in Puerto Rico which become rural after entering another town from the town of origin, PR-172 becomes rural to its end in downtown Cidra. It is mainly flat, and there are no precipices found in the rest of the highway.