Route

NY 100B

2 bridges carry it · 35 indexed contracts · 3 STIP entries name it

Bridges carrying NY 100B 2

BIN	Carries / crosses	County	Owner	Built	Condition
1036220 Bridge	NY100B over MANHATTAN BROOK	Westchester	NYSDOT	1932	Fair
1091480 Bridge	NY100B over 987F987F87012038	Westchester	NYSDOT	1970	Fair

Source: NYSDOT Bridges. Our copy checked Nov 1, 2026. Matched by the route at the start of the bridge's carried feature.

Programmed projects naming NY 100B 3

PIN 802018STIP
ROUTE 119 INTERSECTION IMPROVEMENTS
Programmed FFY 2026 $150k, FFY 2027 $4.0M · Westchester
PIN 810636STIP
SPRAIN BROOK PARKWAY AT ROUTE 100B SOUTHBOUND RAMP
Programmed FFY 2026 $290k, FFY 2027 $3.2M · Westchester
PIN 876341STIP
ROUTE 100A SIDEWALKS
Programmed FFY 2026 $3k, FFY 2027 $2.6M · Westchester

All matching projects →

Source: Statewide Transportation Improvement Program (STIP), updated Jun 23, 2026. Our copy checked Nov 1, 2026. Matched by route words in the title (RT 414, NY 414, Route 414).

Latest contracts on NY 100B 35

D265095Awarded Jan 12, 2024
PAVEMENT MARKINGS - Various Routes, Various Locations.
NY 9, NY 9H, NY 23, NY 23B, NY 9D, NY 9G, NY 22, NY 44, NY 52, NY 55, NY 82, NY 113, NY 376, NY 6, NY 6N, NY 118, NY 311, NY 312, NY 1, NY 9A, NY 35, NY 100, NY 100A, NY 100B, NY 100C, NY 116, NY 117, NY 119, NY 120, NY 120A · Columbia and others · PIN 8814.81 · 0 sheets indexed
Record Plans Online ↗
D264286Awarded May 6, 2021
Traffic Signal, Sidewalk, etc. Improvements at 7 Locations in Fishkill, Greenburgh, Hyde Park, Kingston & Scarsdale.
NY 52, US 9, US 9W, NY 100, NY 100A, NY 100B, NY 100C, NY 22, NY 9A · Fishkill (town), Hyde Park (town), Saugerties (town), Greenburgh (town), Scarsdale (village), Elmsford (village), Kingston (city), Scarsdale (town) · Dutchess and others · PIN 8812.04 · 103 sheets indexed
Record Plans Online ↗
D264251Awarded Jul 6, 2020
Resurfacing, ADA Curb Ramps, Traffic Signals: Towns of Greenburgh, Mount Pleasant, New Castle, and North Castle
NY 100, NY 100A, NY 100B, NY 120, NY 128 · Greenburgh (town), North Castle (town), Mount Pleasant (town), New Castle (town), Mount Kisco (village) · Westchester · PIN 8815.22.101 · 0 sheets indexed
Record Plans Online ↗
D264069Awarded Feb 13, 2020
Installation & Upgrades to Traffic Signals & Pedestrian Facilities at Various Locations in the Towns of Carmel, Eastchester, Greenburgh & Somers
NY 118, US 6, NY 100, NY 100A, NY 100B, NY 138, NY 22, NY 6N, US 202 · Carmel (town), Greenburgh (town), Somers (town), Eastchester (town), North Salem (town), Yorktown (town) · Putnam and others · PIN 8815.13(PE) · 52 sheets indexed
Record Plans Online ↗
D261361Awarded Jun 29, 2010
Intersection Improvement at Rt. 100A and 100B, in the Town of Greenburgh in Westchester County.
NY 100, NY 100A, NY 100B · Greenburgh (town), Elmsford (village) · Westchester · PIN 8023.04.301 · 76 sheets indexed
Record Plans Online ↗
D260157Awarded Mar 31, 2006
A.C. Milling and Resurfacing of Existing Pavement, Minor Drainage Improvements, Restoring and/or Widening Shoulders on Various Roadways, RT. 987G, 987H, 987J, 907K, 9A, 100B, 141
NY 100, NY 100A, NY 100B, NY 100C, NY 141, NY 9A · Putnam Valley (town), Carmel (town), Kent (town), Yonkers (city), Mount Vernon (city), Eastchester (town), Hastings-On-Hudson (village), Dobbs Ferry (village), Irvington (village), Greenburgh (town), Elmsford (village), Mount Pleasant (town), Peekskill (city), Cortlandt (town) · Putnam and others · PIN 8004.03
Record Plans Online ↗
D259630Awarded Jul 16, 2004
INTEROPERABLE TRAFFIC SIGNAL SYSTEM, WHITE PLAINS;
I-287, NY 100, NY 100A, NY 100B, NY 100C, NY 119, NY 120, NY 120A, NY 127, NY 9A · White Plains (city), Greenburgh (town), Mount Pleasant (town), Elmsford (village), Harrison (village) · Westchester · PIN 8808.34 · 162 sheets indexed
Record Plans Online ↗
D258049Awarded Apr 22, 1999
PMI & PPI RESURFACING,;VARIOUS RTS.;
NY 100, NY 100A, NY 100B, NY 119, NY 120, NY 120A, NY 121, NY 124, NY 127, NY 132, NY 134, NY 22, NY 35, NY 9A · Yonkers (city), Lewisboro (town), Greenburgh (town), White Plains (city), Mount Pleasant (town), Briarcliff Manor (village), Elmsford (village), Harrison (village), Port Chester (village), Rye Brook (village), Bedford (town), Pound Ridge (town), Mamaroneck (village), Yorktown (town), Ossining (town), New Castle (town) · Westchester · PIN 8020.15
Record Plans Online ↗
D257222Awarded May 2, 1997
VARIOUS SHS.,;UPGRADE & INSTALL TRAFFIC SIGNALS,;VARIOUS RTS.;
NY 17A, NY 300, NY 32, NY 52, NY 94, US 202, US 6, US 9W, NY 118, NY 303, NY 208, NY 55, US 44, NY 100B, NY 127, NY 22, NY 9A · Newburgh (town), Warwick (village), Montgomery (town), Highlands (town), Carmel (town), Clarkstown (town), Suffern (village), Montebello (village), Ramapo (town), Pomona (village), Haverstraw (town), Shawangunk (town), Gardiner (town), Lloyd (town), Esopus (town), Greenburgh (town), Harrison (village), North Castle (town), Elmsford (village) · Dutchess and others · PIN 8804.79 · 29 sheets indexed
Record Plans Online ↗
D256977Awarded Aug 13, 1996
VARIOUS SHS.,;4 LOCATIONS,;A.C. RECON.,;RTS. 100B, 119, 177 & 9;
NY 100B, NY 119, NY 177, NY 9 · Westchester · PIN 8017.22
Record Plans Online ↗

All contracts on this route →

Source: NYSDOT Highway Record Plans, updated Jun 26, 2026. Our copy checked Nov 1, 2026.

Road inventory and traffic

Segment facts (lanes, functional class, AADT by segment) are in NYSDOT's viewers, which have no documented public data service yet.

Roadway Inventory System viewer ↗Traffic Data Viewer ↗