Southern Pines, North Carolina U.S. Highway 1A (
US 1A) was established around 1957, replacing the old mainline US 1 through
Southern Pines, North Carolina, via May Street. It was decommissioned by 1962.
Sanford, North Carolina U.S. Highway 1A (
US 1A) was established around 1957, replacing the old mainline US 1 through downtown
Sanford, North Carolina, via Carthage Street and Hawkins Avenue. It was renumbered in 1960 as
US 1 Bus. Cary–Raleigh, North Carolina U.S. Highway 1A (
US 1A) may have appeared in 1933 as a second route between
Cary and
Raleigh, North Carolina; it was cosigned with
US 70 on Western Boulevard. Maps cease showing the route by 1936.
Raleigh, North Carolina 1 The first
U.S. Highway 1A (
US 1A) in
Raleigh, North Carolina, was established in 1946 as new routing along Louisburg Road (cosigned with
NC 59), then along new road (today's Capital Boulevard) back to Wake Forest Road. In 1948, US 1 and US 1A switched routes.
Raleigh, North Carolina 2 The second
U.S. Highway 1A (
US 1A) in
Raleigh, North Carolina, was established in 1948 as a route switch with mainline US 1 onto Wake Forest Boulevard. It was decommissioned by 1957.
Henderson, North Carolina U.S. Highway 1A (
US 1A) was established around 1957, replacing the old mainline US 1 through
Gill and downtown
Henderson, North Carolina, via Raleigh Road and Garnett Street. It was renumbered in 1960 as
US 1 Bus. Port Chester, New York U.S. Route 1A (
US 1A) in
Port Chester, New York, was routed along King Street, Willet Avenue (
County Route 43), Putnam Avenue (
New York State Route 982C), and Hillside Avenue.
Stamford, Connecticut U.S. Route 1A (
US 1A) was an alternate route in
Stamford, Connecticut. Prior to the redevelopment of
Downtown Stamford in the 1960s, US 1 originally followed West Main Street across the Mill River bridge onto Main Street and along East Main Street. After the redevelopment, the Main Street portion of US 1 was routed onto the newly created Tresser Boulevard and its accompanying bridge crossing the river. As of 1938, US 1A in Stamford was signed from West Main Street (US 1) along Richmond Hill Avenue across the river, South Street, State Street north along the railroad tracks, Elm Street under the railroad tracks, and Magee Avenue to East Main Street (US 1).
Darien, Connecticut U.S. Route 1A (
US 1A) in
Darien, Connecticut, was the current US 1 alignment. In the early 1950s, a four-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 redesignated on the old alignment.
Norwalk, Connecticut U.S. Route 1A (
US 1A) in
Norwalk, Connecticut, was 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 U.S. Route 1A (
US 1A) in
Bridgeport, Connecticut, was the 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 U.S. Route 1A (
US 1A) in
Milford, Connecticut, was designated current US 1 (Boston Post Road). US 1 originally went along Broad, River, and Cherry streets. 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 U.S. Route 1A (
US 1A) in
East Haven, Connecticut, was 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 U.S. Route 1A (
US 1A) in
Branford, Connecticut, from 1937 to 1940 was designated as current US 1 on North Main Street. US 1 originally went along Main and East Main streets. 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 U.S. Route 1A (
US 1A) in
Old Saybrook, Connecticut, was designated on the current US 1 alignment on Boston Post Road. US 1 originally went to the town center using Old Boston Post Road then Main Street (now part of
Route 154). The two routes were swapped around 1940. US 1A on Old Boston Post Road remained until the early 1970s.
Waterford, Connecticut U.S. Route 1A (
US 1A) in
Waterford, Connecticut, in late 1948 was designated on the old US 1 alignment while US 1 was assigned as an expressway section between the
Raymond E. Baldwin Bridge in
Old Lyme and the
Gold Star Memorial Bridge in
New London in late 1948. 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 U.S. Route 1A (
US 1A) in
Groton, Connecticut, was routes along 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
Groton). ==References==