Puerto Rico Highway 820 is a rural road with a single lane per direction along its entire length.[4] In Toa Alta, PR-820 leaves from PR-823, passing trough Marzán neighborhood until the Vega Alta municipal limit. In Vega Alta, PR-820 has a short length from the Toa Alta municipal limit until its western terminus at PR-677 and PR-678 intersection. The entire length in Toa Alta is located in Río Lajas barrio,[5] while in Vega Alta it is located entirely in Maricao barrio.[6]
Puerto Rico Highway 820 east in Maricao, Vega Alta
Sign for PR-820 in Maricao, Vega Alta, looking east
Major intersections
PR-677 east near PR-678 and PR-820 intersection in Maricao, Vega Alta
PR-678 south at PR-677 and PR-820 intersection in Maricao, Vega Alta
PR-823 east at PR-820 intersection in Río Lajas, Toa Alta