Maine State Route 89

State Route 89
Route information
Maintained by MaineDOT
Length	10.87 mi[1] (17.49 km)
Existed	1946–present
Major junctions
West end	SR 161B / SR 164 in Caribou
Major intersections	US 1 / SR 161 in Caribou SR 223 in Caribou
East end	US 1A in Limestone
Location
Country	United States
State	Maine
Counties	Aroostook
Highway system
Maine State Highway System Interstate US State Auto trails Lettered highways
← SR 88 → SR 90

State Route 89 (SR 89) is part of Maine's system of numbered state highways. It runs 10.87 miles (17.49 km) from an intersection with SR 161B and SR 164 in Caribou to an intersection with U.S. Route 1A (US 1A) in Limestone. The route is also known as Access Highway (in Caribou) and Foster Avenue (in Limestone).

The road was designated as a service route for the now defunct Loring Air Force Base.^{[citation needed]}