Puerto Rico Highway 806 (PR-806) is a northâÂÂsouth road between the municipalities of Corozal and Toa Alta in Puerto Rico. With a length of , it begins at PR-159 junction between Palmarejo and Abras barrios in Corozal, and ends at PR-823 intersection in Quebrada Arenas barrio in Toa Alta.
Puerto Rico Highway 806 is a rural road with a single lane per direction along its entire length. In Corozal, it has a short length from PR-159 junction to the Toa Alta municipal limit. In Toa Alta, PR-806 extends from the Corozal municipal limit to PR-823 junction. The entire length in Corozal is located in Abras barrio, while in Toa Alta it is located entirely in Quebrada Arenas barrio.
Prior to its numerical designation, PR-806 was only known as the road that goes to the from the old Road 10 (current PR-159). The current numerical designation corresponds to the 1953 Puerto Rico highway renumbering, a process implemented by the Puerto Rico Department of Transportation and Public Works () that increased the insular highway network to connect existing routes with different locations around Puerto Rico.