New York State Route 100A

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NY Route 100A

Length:

4.21 mi^[1] (6.78 km)

Formed:

1930^{[citation needed]}

South end:

NY 100 in Greenburgh

Major
junctions:

I-287 in Greenburgh/Elmsford

North end:

NY 100/NY 100C in Greenburgh/Mount Pleasant

Counties:

Westchester

Numbered highways in New York
< NY 100		NY 100B >
Spur of NY 100
Interstate - U.S. - N.Y. - Reference

New York State Route 100A is a 4.21-mile long loop route of New York State Route 100 in the town of Greenburgh (in Westchester County). It starts in the hamlet of Hartsdale and ends in the community of Grasslands at the boundary between the towns Greenburgh and Mount Pleasant.

1 Route description
2 History
3 Major intersections
4 References
5 External links

[edit] Route description

NY 100A splits from NY 100 along West Hartsdale Avenue, passing by several country clubs as it heads north. It crosses NY 100B 1.5 miles from its southern end, where the road changes name to Knollwood Road. Knollwood Road runs along the eastern village line of Elmsford, crossing over NY 119 and I-287. The road continues north, passing by the Westchester Community College, ending at a four-way intersection where it meets NY 100 and NY 100C near the Kensico Cemetery.

[edit] History

Communities
Hartsdale Elmsford - runs along the eastern village line Greenburgh

NY 100A was designated in the 1930 state highway renumbering and has not had any major changes since.

[edit] Major intersections

County	Location	Mile^[1]	Roads intersected	Notes
Westchester	Greenburgh	0.00	NY 100	Hamlet of Hartsdale
		1.52	NY 100B
		2.21	NY 119
		2.33	I-287	Exit 4; interchange at Elmsford village line
		4.21	NY 100 NY 100C	At Mount Pleasant town line