Route information | ||||
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Maintained by MaineDOT | ||||
Length | 120.67 mi[1] (194.20 km) | |||
Existed | 1933–present | |||
Major junctions | ||||
West end | ![]() ![]() ![]() | |||
East end | ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Maine | |||
Counties | Kennebec, Waldo, Hancock | |||
Highway system | ||||
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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.
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