New York State Route 100B
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New York State Route 100B (NY 100B) is a spur route of NY 100 in
Westchester County, New York Westchester County is located in the U.S. state of New York. It is the seventh most populous county in the State of New York and the most populous north of New York City. According to the 2020 United States Census, the county had a population o ...
, in the United States. The route follows Dobbs Ferry Road across the southern part of the town of
Greenburgh Greenburgh is a town in western Westchester County, New York. The population was 95,397 at the time of the 2020 census. History Greenburgh developed along the Hudson River, long the main transportation route. It was settled by northern Europeans ...
, connecting NY 9A to
NY 119 New York State Route 119 (NY 119) is an east–west state highway in Westchester County, New York, in the United States. The road starts in Tarrytown at an intersection with U.S. Route 9 (US 9) and comes to an end at a junctio ...
. It does not directly connect to NY 100; however, it intersects NY 100A about west of NY 119. NY 100B was assigned in the late 1930s.


Route description

NY 100B begins at an intersection with NY 9A (Saw Mill River Road) in the town of
Greenburgh Greenburgh is a town in western Westchester County, New York. The population was 95,397 at the time of the 2020 census. History Greenburgh developed along the Hudson River, long the main transportation route. It was settled by northern Europeans ...
, right next to the
New York State Thruway {{Infobox road , state = NY , type = NYST , alternate_name = Governor Thomas E. Dewey Thruway , maint = NYSTA , map = {{maplink, frame=yes, plain=yes, frame-align=center, frame-width=290, type=line, stroke-width=2, type2=line, from2=New Yor ...
(
I-87 Interstate 87 may refer to either of two unconnected Interstate Highways in the United States: * Interstate 87 (New York), a highway running from New York City north to the Canadian border in Champlain, New York. * Interstate 87 (North Carolina) ...
). Known as Dobbs Ferry Road, NY 100B proceeds northeast through Greenburgh as a two-lane residential street, passing the local Ferncliff Cemetery and bending east into a junction with Park Avenue. Crossing east through Greenburgh, the route crosses south of the Elmwood Country Club. At the east end of the country club, NY 100B crosses into an interchange with the
Sprain Brook Parkway The Sprain Brook Parkway (also known as The Sprain) is a long north–south parkway in Westchester County, New York, United States. It begins at an interchange with the Bronx River Parkway in the city of Yonkers, and ends at the former site ...
. After the Sprain, the route continues east through Greenburgh, passing more residences and entering an intersection with NY 100A (West Hartsdale Road / Knollwood Road). After NY 100A, NY 100B turns northeast in front of the Metropolis Country Club, remaining the two-lane residential street through Greenburgh. Passing south of a large strip mall, the route crosses into a junction with
NY 119 New York State Route 119 (NY 119) is an east–west state highway in Westchester County, New York, in the United States. The road starts in Tarrytown at an intersection with U.S. Route 9 (US 9) and comes to an end at a junctio ...
(Tarrytown Road) in the center of Greenburgh. The right-of-way for NY 100B merges into NY 119, marking the eastern terminus of NY 100B.


History

The easternmost mile (1.6 km) of NY 100B was originally part of Route 2, an unsigned
legislative route In the United States, a legislative route (LR) or legislative highway is a highway defined by laws passed in a state legislature. The numbering of such highways may or may not correspond to the numbers familiar to the public as part of the state, ...
assigned by the
New York State Legislature The New York State Legislature consists of the two houses that act as the state legislature of the U.S. state of New York: The New York State Senate and the New York State Assembly. The Constitution of New York does not designate an official ...
in 1908. The route began at the
New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...
line in
Yonkers Yonkers () is a city in Westchester County, New York, United States. Developed along the Hudson River, it is the third most populous city in the state of New York, after New York City and Buffalo. The population of Yonkers was 211,569 as enu ...
and went north through the eastern
Hudson Valley The Hudson Valley (also known as the Hudson River Valley) comprises the valley of the Hudson River and its adjacent communities in the U.S. state of New York. The region stretches from the Capital District including Albany and Troy south to ...
to Valatie, where it ended at Route 1. Route 2 continued south from Dobbs Ferry Road on modern NY 100A and north on what is now
NY 119 New York State Route 119 (NY 119) is an east–west state highway in Westchester County, New York, in the United States. The road starts in Tarrytown at an intersection with U.S. Route 9 (US 9) and comes to an end at a junctio ...
. The Dobbs Ferry Road section of Route 2 was improved to state highway standards as part of a contract awarded by the state of
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
on June 26, 1912, and added to the state highway system six months later on December 27. Although the portion of Dobbs Ferry Road east of NY 100A was state-maintained, it did not receive a posted route number until the late 1930s when it was designated as part of NY 100B, a new route continuing west of NY 100A to connect to Saw Mill River Road ( NY 9A). The alignment of the route has not been changed since that time.


Major intersections


See also

*


References


External links

{{NYSR external links, type=N, nyroutes=yes, termini=yes, route=100, suf=B 100B Transportation in Westchester County, New York