Maine State Route 3

State Route 3
Route information
Maintained by MaineDOT
Length	120.67 mi[1] (194.20 km)
Existed	1933–present
Major junctions
West end	SR 8 / SR 11 / SR 27 in Augusta
Major intersections	I-95 in Augusta US 201 / SR 100 in Augusta US 202 / SR 9 from Augusta to China US 1 from Belfast to Ellsworth SR 15 from Bucksport to Orland SR 102 / SR 198 in Bar Harbor
East end	SR 102 / SR 198 in Mount Desert
Location
Country	United States
State	Maine
Counties	Kennebec, Waldo, Hancock
Highway system
Maine State Highway System Interstate US State Auto trails Lettered highways
← US 2A → SR 4

State Route 3 (SR 3) is a 120.67-mile-long (194.20 km) state highway located in southern Maine. It is a major interregional highway, connecting the Interstate 95 corridor to the Atlantic coast. The western terminus is at SR 8, SR 11 and SR 27 in Augusta and the eastern terminus is at SR 102 and SR 198 in Mount Desert. Major cities and towns along the length of SR 3 include Augusta, Belfast, Ellsworth, and Bar Harbor.