Maine State Route 89

State Route 89 is part of Maine's system of numbered state highways. It runs 10.89 miles (17.53 km) from an intersection with State Route 161B and State Route 164 in Caribou to an intersection with U.S. 1A in Limestone. The route is also known as Access Highway (in Caribou) and Foster Avenue (in Limestone).

Map of ME-89, Caribou, ME, USA

The road was designated as a service route for the now defunct Loring Air Force Base.