U.S. Route 1A - Bangor, Maine

U.S. Route 1A is a loop route off U.S. Route 1 in Maine, serving the Bangor metropolitan area. The route is 50.3 miles long and runs from Stockton Springs to Ellsworth.

Route 1A enters Bangor from the southwest by following the west bank of the Penobscot River through the towns of Winterport and Hampden. Route 1A crosses the Penobscot Bridge from downtown Bangor into the city of Brewer, and continues southeast through Holden and Dedham to Ellsworth.