State and US Roads in Westchester County

Boston Post Road

LOCATION: Pelham Manor to New York-Connecticut border (Port Chester)
NOTES: In New Rochelle, northbound US 1 traffic uses Main Street (Boston Post Road), while southbound US 1 traffic uses Huguenot Street.

NO LONGER ASSIGNED
(Hutchinson River Parkway)

LOCATION: Bronx to New York-Connecticut border (Rye Brook)
NOTES: Originally, NY 1A continued from the Bronx along Shore Road, Pelham Road and Echo Avenue into New Rochelle, where it ended at US 1. When the southern extension of the Hutchinson River Parkway from Pelham Manor to the Bronx was completed in 1941, it was originally signed as NY 1X. The alignment for NY 1A changed to the Hutchinson River Parkway in 1946, at which time the NY 1X designation was dropped. The parkway was signed NY 1A only south of EXIT 7 (US 1-Boston Post Road) in Pelham Manor, and unsigned through much of Westchester County. However, most maps marked the entire parkway as NY 1A. The NY 1A designation was removed in 1972.

NO LONGER ASSIGNED
(Hutchinson River Parkway)

LOCATION:
Bronx to Pelham Manor (at EXIT 7)
NOTES: The NY 1X designation was posted along this segment from 1941 to 1946. When the entire parkway was designated NY 1A in 1946, the NY 1X designation was dropped.

Bear Mountain Bridge Road, Main Street, Jefferson Valley Road

LOCATION: Bear Mountain Bridge to Westchester-Putnam border (Town of Somers)
NOTES: In the city of Peekskill, US 6 is multiplexed with US 9, US 202 and NY 35. US 6 is at the northern terminus of the Croton Expressway (US 9).

Main Street

LOCATION: Jefferson Valley (Town of Yorktown)
NOTES: NY 6N continues north into Mahopac, Putnam County via Mahopac Street.

NO LONGER ASSIGNED
(Original NY 22 alignment)

LOCATION:
Bronx-Westchester border (Mount Vernon) to Westchester-Putnam border (Croton Falls)
NOTES: Between 1926 and 1930, US 7 began not in Connecticut, but in New York. Originally, US 7 went along NY 22 from New York City through Westchester, Putnam and Dutchess Counties. In Amenia (Dutchess County), US 7 split from NY 22, then went along today's NY 343, CT 4, CT 41, and US 44 before joining the current US 7 alignment in Canaan, Connecticut, just south of the Connecticut-Massachusetts border. The southern terminus of US 7 was moved from New York City to Norwalk, Connecticut in 1930.

Broadway, Albany Post Road, Highland Avenue, Croton Expressway

LOCATION: Bronx-Westchster border (Yonkers) to Westchester-Putnam border (Town of Cortlandt)
NOTES: Before the Croton Expressway was constructed in the 1960's, US 9 went along Albany Post Road between Ossining and Peekskill. (This segment is now part of NY 9A.) A bypass of US 9, the Hudson River Expressway, was planned in the 1960's, but killed in 1971.

Broadway, Ashburton Avenue, Saw Mill River Road, Briarcliff-Peekskill Parkway, Croton Expressway, Albany Post Road

LOCATION: Bronx-Westchester border (Yonkers) to Peekskill
NOTES: Originally, NY 9A ended in Sleepy Hollow (North Tarrytown) via County House Road. (Until the 1950's, the Briarcliff-Peekskill Parkway was designated NY 404.) Between Ossining and Peekskill, NY 9A is multiplexed with US 9 for 1.5 miles (along the Croton Expressway), then is routed along the old US 9 alignment between Croton-on-Hudson and Peekskill.

NO LONGER ASSIGNED
(Broadway, Ashburton Avenue, Saw Mill River Road, Briarcliff-Peekskill Parkway, Croton Expressway, Albany Post Road)

LOCATION: Bronx-Westchster border (Yonkers) to Westchester-Putnam border (Town of Cortlandt)
NOTES: During the late 1920's, this was the designation for US 9 east of the Hudson River from New York City north to Albany.

Bear Mountain Bridge Road

LOCATION: Town of Cortlandt (Bear Mountain Bridge to Westchester-Putnam border)
NOTES: The southernmost 0.25-mile segment of NY 9D lies in Westchester County. NY 9D continues north through Putnam and Dutchess Counties to Wappingers Falls.

Columbus Avenue, White Plains Post Road, North Broadway, South Broadway, West Post Road, East Post Road, Armory Place, Westchester Avenue, Mount Kisco Road, Bedford Road, Old Post Road, Cantitoe Street, Jay Street, Goldens Bridge Road, Main Street, Mahopac Road, Brewster State Road

LOCATION: Bronx-Westchester border (Mount Vernon) to Westchester-Putnam border (Croton Falls)
NOTES: Between 1926 and 1930, NY 22 was multiplexed with US 7. The southern terminus of US 7 was moved from New York City to Norwalk, Connecticut in 1930. Until 1956, NY 22 was multiplexed with NY 100 south through the Bronx and Manhattan.

Main Street, Division Street, Crompond Road, Hallocks Mill Road, Saw Mill River Road, Amawalk Road, Woods Bridge Road, Cross River Road, Old Post Road

LOCATION: Peekskill (at US 6-US 9-US 202) to New York-Connecticut border (Town of Lewisboro)
NOTES: Prior to 1946, the eastern half of NY 35 was part of NY 123. NY 35 continues into Ridgefield, Connecticut as CT 35 (Bedford Road). An expressway was proposed for the NY 35 corridor in the 1950's and 1960's.

NO LONGER ASSIGNED
(Croton Avenue, Crompond Road, Locust Avenue, Gallows Hill Road)

LOCATION: Croton Reservoir (at NY 129) to Westchester-Putnam border (Town of Cortlandt)
NOTES: According to the 1940 alignment, NY 61 was mutliplexed with NY 35 and US 202 for a short distance east of Peekskill. The NY 61 designation, which continued north into Putnam County (where it ended at US 9), disappeared from Westchester County in 1946.

Central Park Avenue, Tarrytown Road, Hillside Avenue, Grasslands Road, Bradhurst Avenue, Broadway, Saw Mill River Road (Briarcliff-Peekskill Parkway), Somerstown Road

LOCATION: Yonkers (at I-87 / New York State Thruway, EXIT 5) to Somers (at US 202)
NOTES: NY 100 begins in Yonkers at the New York State Thruway (EXIT 5). Further north, NY 100 is multiplexed with NY 119 along Tarrytown Road in the Town of Greenburgh, and with NY 9A along Saw Mill River Road (Briarcliff-Peekskill Parkway) in the Town of Mount Pleasant. Before 1956, NY 100 was mutliplexed with NY 22 south into the Bronx and Manhattan.

West Hartsdale Avenue, Knollwood Road 

LOCATION: Hartsdale (at NY 100) to Elmsford (at NY 100 and NY 100C)

Dobbs Ferry Road

LOCATION: Dobbs Ferry (at NY 9A) to Greenburgh (at NY 119)

West Hartsdale Avenue, Knollwood Road 

LOCATION: Elmsford (NY 9A to NY 100)

Purdys Road, Somers Road, Titicus Road   

LOCATION: Somers (at US 202) to New York-Connecticut border (at North Salem)
NOTES: NY 116 continues into Titicus, Connecticut as CT 116.

Phelps Way, Bedford Road (Manville Road), Main Street, Woods Bridge Road   

LOCATION: Sleepy Hollow (at US 9) to Katonah (at NY 35)
NOTES: In the 1960's, NY 117 was to be converted into a four-lane, limited-access highway. Only a 1.5-mile portion of the limited-access NY 117 was constructed. The old NY 117 (Bedford Road) in the area of Rockefeller State Park Preserve became NY 448.

Saw Mill River Road, Tomahawk Street   

LOCATION: Croton Lake (at NY 100) to Westchester-Putnam Border (at Baldwin Place)
NOTES: In Amawalk, NY 118 is multiplexed with NY 35 and US 202.

Tarrytown Road, Main Street / Hamilton Avenue, Westchester Avenue

LOCATION: Tarrytown (at US 9) to White Plains (at I-287, EXIT 10)
NOTES: Before the Cross Westchester Expressway (I-287) was constructed in the late 1950's, NY 119 continued east along Westchester Avenue to Port Chester. NY 119 was the working pre-Interstate designation for the Cross Westchester Expressway. The current NY 119 ends at EXIT 8 on I-287.

NO LONGER ASSIGNED
(Purchase Street)

LOCATION:
Rye (at US 1) to Port Chester (at NY 119 and NY 120)
NOTES: The NY 119A designation existed along Purchase Street in the 1940's and 1950's, when Westchester Avenue in eastern Westchester County carried both NY 119 and NY 120 signs. Today, Purchase Street is part of NY 120, and the NY 119A designation is now retired.

Purchase Street, King Street, Quaker Street, Millwood Road

LOCATION: Rye (at US 1) to Town of New Castle (at NY 100 and NY 133)
NOTES: Before the Cross Westchester Expressway (I-287) was constructed in the late 1950's, NY 119 and NY 120 were multiplexed along Westchester Avenue in Port Chester.

Westchester Avenue, King Street

LOCATION: Port Chester (I-287, EXIT 10 and NY 120) to Armonk (at NY 120)
NOTES: The Westchester Avenue portion of NY 120A was formerly the multiplexed NY 119 and NY 120. Like the nearby I-684, part of the King Street portion of NY 120A crosses into Greenwich, Connecticut.

Old Post Road, North Salem Road, Grant Road, Titicus Road, Peach Lake Road

LOCATION: Bedford Village (at NY 22) to Westchester-Putnam border (at Peach Lake)

Smith Ridge Road

LOCATION: Town of Lewisboro (NY 35 to New York-Connecticut border)
NOTES: In the 1940's, NY 123 extended west along NY 35 to Katonah. NY 123 continues south to Norwalk, Connecticut as CT 123.

Westchester Avenue, Salem Road, Pound Ridge Road, Old Post Road, North Salem Road

LOCATION: Town of Lewisboro (at NY 138) to New York-Connecticut border (Town of Pound Ridge)
NOTES: North Salem Road was formerly designated NY 394. At its southern terminus, NY 124 continues into Darien, Connecticut as CT 124.

Weaver Street, Heathcote Bypass, Old Mamaroneck Road, Mamaroneck Avenue

LOCATION: Mamaroneck (at US 1) to White Plains (at NY 22)
NOTES: NY 125 was the working designation for the proposed White Plains Expressway. The expressway, which was planned in the 1950's, was to be built along the Bronx River Parkway-NY 22 corridor between White Plains and the Bronx.

NO LONGER ASSIGNED
(Mamaroneck Avenue)

LOCATION:
Mamaroneck (at US 1) to White Plains (at NY 125)
NOTES: Mamaroneck Avenue was given the original NY 126 designation from US 1 north to NY 125. At NY 125 in White Plains, Mamaroneck Avenue became part of NY 125. The NY 126 designation along this segment of Mamaroneck Avenue was removed by 1938. However, when the Mamaroneck Avenue exit from the Hutchinson River Parkway was realigned in the 1970's, destination signs for EXIT 23 along the parkway labeled Mamaroneck Avenue as NY 126. The signing error was corrected one year later.

Harrison Avenue, North Street 

LOCATION: Mamaroneck (at US 1) to White Plains (at I-287, EXIT 8 and NY 119)

Main Street, Mount Kisco Road, Armonk Road   

LOCATION: Armonk (at NY 22) to Mount Kisco (at NY 117)
NOTES: In the 1940's and 1950's, NY 128 extended south along School Street, Cox Avenue and North Greenwich Road into Greenwich, Connecticut. Today, the 0.5-mile long North Greenwich Road is designated NY 433.

Maple Street, Grand Street, Croton Dam Road, Yorktown Road, Croton Lake Road   

LOCATION: Croton-on-Hudson (at US 9 and NY 9A) to Croton Lake (at NY 118)

NO LONGER ASSIGNED
(Underhill Avenue)

LOCATION:
Croton Lake (at NY 129) to Yorktown Heights (at NY 118)
NOTES: Until the 1950's, the NY 131 designation was given to Croton Dam Road, which went along the south shore of Croton Reservoir. Later, the NY 131 designation was assigned along Underhill Avenue between NY 129 (Croton Lake Road) and Saw Mill River Road (NY 118) in the Town of Yorktown. The designation was removed by 1972.

Old Yorktown Road 

LOCATION: Yorktown (NY 35-US 202) to Mohegan Lake (at US 6)
NOTES: In the 1940's, NY 132 continued east along the current NY 35 alignment from Yorktown to Katonah.

NO LONGER ASSIGNED
(Baldwin Road)

LOCATION:
Yorktown Heights (Taconic State Parkway to NY 35-US 202)
NOTES: The NY 132A designation, which does not intersect NY 132, was given before the 1950's. Before that time, NY 35 in Yorktown Heights was part of NY 132. This designation was removed by 1972.

Croton Avenue, Somerstown Road, Station Road, Millwood Road, Main Street

LOCATION: Ossining (at US 9) to Mount Kisco (at NY 117)

Dale Avenue, Croton Dam Road, Kitchawan Road

LOCATION: Ossining (at NY 133) to Kitchawan (at NY 100)

Girdle Ridge Road, Pea Pond Road, Old Post Road, Stone Hill Road, High Ridge Road

LOCATION: Canitoe Corners (at NY 22) to New York-Connecticut border (Town of Pound Ridge)
NOTES: Along Girdle Ridge and Pea Pond Roads, NY 137 was formerly known as Jay Street. NY 137 continues into Stamford, Connecticut as CT 137. An expressway was proposed for the NY 137 corridor in the 1950's and 1960's.

Goldens Bridge Road, Green Street, Waccabuc Road

LOCATION: Somers (at NY 100) to Waccabuc Lake (at NY 121-NY 124)

Primose Street

LOCATION: Whitehall Corners (at NY 100) to Lincolndale (at US 202)

Broadway, Commerce Street, Franklin Avenue

LOCATION: Hawthorne (at Taconic State Parkway and NY 100) to Pleasantville (at NY 117)

NO LONGER ASSIGNED
(McLean Avenue)

LOCATION:
Yonkers (Bronx-Westchester border to US 9-NY 9A)
NOTES: The NY 164 designation was initiated in 1939 to direct motorists from Westchester and the Bronx to the Bronx-Whitestone Bridge and the 1939-1940 World's Fair. The designation was removed in 1961.

South Bedford Road

LOCATION: Mount Kisco (at NY 117) to Bedford Village (at NY 22)
NOTES: An expressway was proposed for the NY 172 corridor during the 1950's and 1960's.

Bear Mountain Bridge Road, Main Street, Division Street, Crompond Road, Hallocks Mill Road, Saw Mill River Road, Tomahawk Street, Lincolndale Road, Brick Hill Road, Somers Road, North Somerstown Road

LOCATION: Bear Mountain Bridge to Westchester-Putnam border (Croton Falls)
NOTES: US 6, US 9 and US 202 join at the northern terminus of the Croton Expressway. US 202 is multiplexed with NY 35 through the western half of Westchester County. In 1956, an expressway was proposed for the US 202 corridor.

NO LONGER ASSIGNED
(Westchester Avenue)

LOCATION:
Town of Pound Ridge (NY 137 to New York-Connecticut border)
NOTES: In the 1940's and 1950's, Westchester Avenue, then signed as NY 394, continued into Darien, Connecticut as CT 29. Today, this segment is designated as NY 124 and CT 124, respectively.

NO LONGER ASSIGNED
(Hudson River Expressway --  unbuilt)

LOCATION:
Tarrytown (at I-87, I-287 and US 9) to Ossining (at US 9 and NY 9A)
NOTES: In 1965, the Hudson River Expressway was proposed as a 47-mile Interstate 487 between I-87 in the Bronx and I-84 in Beacon, Duchess County. When the proposed length was truncated and Interstate designated was removed in 1968, the expressway became the proposed NY 399. The designation was dropped when Governor Rockefeller canceled the Hudson River Expressway in 1971.

NO LONGER ASSIGNED
(Briarcliff-Peekskill Parkway)

LOCATION:
Pleasantville (at NY 117 and NY 100) to Ossining (at US 9)
NOTES: In the 1930's and 1940's, NY 404 was the designation for the Briarcliff-Peekskill Parkway, while NY 9A ended at Sleepy Hollow. By the 1950's, the parkway became NY 9A, and the NY 404 designation was dropped.

North Greenwich Road

LOCATION: Armonk (NY 22 to New York-Connecticut border)
NOTES: NY 433, which was formerly part of NY 128, continues into Greenwich, Connecticut as the unsigned Riversville Road.

Bedford Road

LOCATION: Sleepy Hollow (at US 9) to Pleasantville (at NY 117)
NOTES: The NY 448 designation was given in 1971, when the new NY 117 (Phelps Way) was completed. Prior to 1971, Bedford Road, which runs through the Rockefeller estate at Potantico Hills, was part of NY 117.

STATE AND US ROUTES IN THE NYC METRO AREA:

New York State route shields by Jim Poserina. Primary information provided by Hagstrom Westchester County atlas. Additional information by Robert V. Droz.

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