With a length of 3.6 kilometers (2.2 mi), it begins at its intersection with PR-861 in Pájaros barrio and ends at its junction with PR-864 in Hato Tejas area.

[2] This highway has a single lane per direction in the entire length and provides access to several communities and neighborhood developments between Pájaros, Mucarabones, Candelaria and Hato Tejas barrios.

[3] In Bayamón, PR-862 has two segments separated by the one located within Toa Alta.

Then, PR-862 continues to the north through Hato Tejas barrio as the northern section in Bayamón until its end at PR-864.

[5] 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.