Puerto Rico Highway 805 (PR-805) is an eastâÂÂwest road located in the municipality of Corozal in Puerto Rico. With a length of , it extends from its intersection with PR-568 near the Cuchillas boundary, passing through Negros barrio until its junction with PR-803 in Palos Blancos area.
Puerto Rico Highway 805 is a rural road with a single lane per direction along its entire length. In Negros, it extends from its junction with PR-568 near Cuchillas to its intersection with PR-807, passing through several neighborhoods and sectors with scenic views of the northern coast of Puerto Rico. In Palos Blancos, PR-805 leaves PR-807 intersection until its end at PR-803 junction near the Monte Choca State Forest.
Prior to its numerical designation, PR-805 was only known as . 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.