- New York State Route 100C
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NYS Route 100C
Route information Auxiliary route of NY 100 Maintained by NYSDOT Length: 1.24 mi[3] (2.00 km) Existed: late 1930s[1][2] – present Major junctions West end: 
NY 9A in Greenburgh
Sprain Brook Parkway on Greenburgh – Mount Pleasant town lineEast end: 
NY 100 / NY 100A on Greenburgh – Mount Pleasant town lineLocation Counties: Westchester Highway system Numbered highways in New York
Interstate • U.S. • N.Y. (former) • Reference • County← 
NY 100BNY 101 
→New York State Route 100C (NY 100C) is an east–west spur route of NY 100 in Westchester County, New York, in the United States. It extends for 1.24 miles (2.00 km) along the Greenburgh – Mount Pleasant town line from an intersection with NY 9A (Saw Mill River Road) to a junction with NY 100 and NY 100A. NY 100C has a junction with the Sprain Brook Parkway near its eastern terminus. The eastern terminus of NY 100C also serves as NY 100A's northern endpoint.
Contents
Route description
The western end of NY 100C is where it splits off as Old Saw Mill River Road from NY 9A (Saw Mill River Road). After 0.2 miles (0.3 km), Old Saw Mill River Road continues northwest as unsigned County Route 303 (CR 303) towards the hamlet of Eastview, while NY 100C turns right onto Grasslands Road. It immediately crosses over NY 9A again at a grade-separated intersection and begins its eastward journey. After another 0.9 miles (1.4 km), NY 100C meets the Sprain Brook Parkway by way of an interchange. The route comes to an end at NY 100 and NY 100A about 200 yards (180 m) beyond the Sprain Brook interchange.[4]
History
All of what is now NY 100C was originally designated as part of NY 142 ca. 1931. At the time, NY 142 overlapped with NY 9A along Old Saw Mill River Road (modern CR 303) to the east end of Neperan Road, where it broke from NY 9A and proceeded toward Hawthorne on then-Saw Mill River Road.[5][6] The NY 142 designation was short-lived, however, as it was eliminated ca. 1938.[1][7] By 1940, the portion of NY 142's former routing northeast of the NY 9A overlap was replaced by an extended NY 141 while the section east of the concurrency on Grasslands Road was redesignated as NY 100C.[2] In the late 1940s, NY 9A was extended northward through Hawthorne to Ossining by way of a realigned Saw Mill River Road. The portion of Old Saw Mill River Road between Grasslands Road and the new highway became a short extension of NY 100C.[8][9]
Major intersections
The entire route is in Westchester County.
Location Mile[3] Destinations Notes Greenburgh 0.00 NY 9AGreenburgh – Mount Pleasant line 0.20 Saw Mill Road (CR 303) Former routing of NY 9A 1.10 Sprain Brook Parkway1.24 NY 100 / NY 100A1.000 mi = 1.609 km; 1.000 km = 0.621 mi References
- ^ a b Shell Oil Company (1937). Shell Road Map – New York (Map). Cartography by H.M. Gousha Company.
- ^ a b Gulf Oil Company (1940). New York Info-Map (Map). Cartography by Rand McNally and Company.
- ^ a b "2008 Traffic Data Report for New York State" (PDF). New York State Department of Transportation. June 16, 2009. p. 237. https://www.nysdot.gov/divisions/engineering/technical-services/hds-respository/NYSDOT_Traffic_Data_Report_2008.pdf. Retrieved January 10, 2010.
- ^ Google, Inc. Google Maps – overview map of NY Route 100C in Greenburgh and Mount Pleasant, NY (Map). Cartography by Google, Inc. http://maps.google.com/maps?hl=en&q=RT-100C,+Westchester,+New+York,+United+States&um=1&ie=UTF-8&sa=N&tab=wl. Retrieved September 13, 2007.
- ^ Standard Oil Company of New York (1930). Road Map of New York (Map). Cartography by General Drafting.
- ^ Kendall Refining Company (1931). New York (Map). Cartography by H.M. Gousha Company.
- ^ Esso (1938). New York Road Map for 1938 (Map). Cartography by General Drafting.
- ^ State of New York Department of Public Works. Official Highway Map of New York State (Map). Cartography by General Drafting (1947–48 ed.).
- ^ Esso (1949). New York (Map). Cartography by General Drafting (1950 ed.).
External links
Categories:- State highways in New York
- Transportation in Westchester County, New York
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