Maine State Route 109

State Route 109
Route information
Maintained by MaineDOT
Length26.24 mi (42.23 km)
Existed1925–present
Major junctions
South end US 1 / SR 9 in Wells
Major intersections
North end NH 109 at the New Hampshire state line near Acton
Location
CountryUnited States
StateMaine
CountiesYork
Highway system
SR 108 SR 110

State Route 109 (SR 109) is a state highway in the U.S. state of Maine. It is a 26.24-mile (42.23 km) regional route connecting the southern coastal area to inland areas to the north and west. Its southern terminus is at U.S. Route 1 and State Route 9 in Wells and its northern terminus is at the New Hampshire border in Acton, where it connects to New Hampshire Route 109. The highway runs through York County; major towns and cities along the length of SR 109 include Wells and Sanford.