[2] With a length of 1.9 kilometers (1.2 mi),[1] 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.

[3] Puerto Rico Highway 806 is a rural road with a single lane per direction along its entire length.

[3] 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.

[6] 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 (Spanish: Departamento de Transportación y Obras Públicas) that increased the insular highway network to connect existing routes with different locations around Puerto Rico.