U.S. Route 1A - Former Routes

Former Routes

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• Port Chester, New York

Routed along King Street, Willet Avenue (Westchester County Road 43), Putnam Avenue (NY Reference Route 982C), and Hillside Avenue.

• Darien, Connecticut

Current US 1 alignment. In the early 1950s, a 4-lane divided highway was constructed to relieve congestion in the area. US 1 was assigned to this new highway section with the old road becoming US 1A. The highway section was later incorporated into the Connecticut Turnpike and eventually became I-95. US 1 was re-designated on the old alignment.

• Norwalk, Connecticut

Routed along Belden Avenue, Cross Street, and North Avenue. US 1 was originally assigned to West Street, Wall Street, and East Avenue. Since the opening of the US 7 expressway, US 1 was moved to its current alignment along part of this US 1A along Riverside Avenue, Cross Street, and North Avenue. The original US 1 alignment is now town-maintained.

• Bridgeport, Connecticut

Current US 1 alignment along Kings Highway Cutoff, North Avenue, Boston Avenue, and Barnum Avenue. This US 1A existed until 1963. US 1 originally went along modern Route 130 on Fairfield Avenue, State Street, Stratford Avenue, and Ferry Boulevard connecting the towns of Fairfield and Stratford via downtown Bridgeport.

• Milford, Connecticut

US 1 originally went along Broad Street, River Street, and Cherry Street. Current US 1 (Boston Post Road) was designated as US 1A. In 1940, the two alignments were swapped. US 1A remained on Broad Street/River Street/Cherry Street until about 1942. Broad Street is now part of Route 162 while River and Cherry Streets are now town-maintained roads.

• East Haven, Connecticut

Routed along Main Street. This was the original alignment of US 1 until the opening of the Saltonstall Parkway in 1941, which was designated as US 1. This US 1A existed until the early 1950s. The eastern end of Main Street is now part of Route 100.

• Branford, Connecticut

US 1 originally went along Main Street and East Main Street. From 1937 to 1940, current US 1 on North Main Street was designated as US 1A. The routes were swapped around 1940 and US 1A remained on this alignment until 1963. Main Street is now part of Route 146 while East Main Street is a town-maintained road.

• Old Saybrook, Connecticut

US 1 originally went to the town center using Old Boston Post Road then Main Street (now part of Route 154). US 1A was designated on the current US 1 alignment on Boston Post Road. The two routes were swapped around 1940. US 1A on Old Boston Post Road remained until the early 1970s.

• Waterford, Connecticut

In late 1948, an expressway section between the Baldwin Bridge in Old Lyme and the Gold Star Bridge in New London was opened. US 1 was assigned on this new expressway alignment. The original route of US 1 became US 1A. The US 1 expressway later became part of the Connecticut Turnpike and I-95. The US 1 designation was removed from the expressway in 1975 and reverted to its old surface alignment.

• Groton, Connecticut

Long Hill Road from the I-95 Exit 85 offramp to Poquonnock Road. This was a newly constructed road in 1938 which later became US 1 by 1941. The original US 1 alignment used Thames Street and Poquonnock Road going through the old Borough of Groton (now the City of Groton).