Weaver Street, Palmer Avenue, Secor Road, Old Mamaroneck Road, Mamaroneck Avenue
Northbound Views
Weaver Street begins at Boston Post Road (US 1) in Larchmont and runs north as a two-lane undivided road. There is no signage with the route number here.
Photos taken December 2020.
An overpass carries Weaver Street over the New Haven Line of the Metro-North Railroad and the New England Thruway (I-95), but there is no interchange.
Photos taken December 2020.
Weaver Street continues north. It is very curvy and presumably takes its name from how it weaves back and forth. There is a single reassurance shield for NY 125 along this stretch, but it is otherwise unsigned in the area.
Photos taken December 2020.
Quaker Ridge Road (CR 139) begins on the left at a traffic light.
Photos taken December 2020.
Weaver Street continues north as a two-lane undivided road.
Photos taken December 2020.
There is an interchange with the Hutchinson Parkway.
Photos taken December 2020.
Weaver Street runs north through Scarsdale.
Photos taken December 2020.
Turn left at the second traffic light for the Heathcote Bypass (CR 143), which begins here. There are a couple of signs here marking it as Bypass NY 125, but this designation is overwise unsigned. An overhead sign recommends using the bypass as the quickest route north to White Plains.
Photos taken December 2020.
Weaver Street ends at a traffic light. Turn right onto Palmer Avenue to stay on NY 125. Heathcote Road is straight ahead.
Photos taken December 2020.
Palmer Avenue runs north as a two-lane undivided road.
Photos taken December 2020.
Palmer Avenue changes names to become Secor Road. There is a traffic light at the northern terminus of the Heathcote Bypass (CR 143). Continue straight ahead to stay on NY 125.
Photos taken December 2020.
Secor Road runs north as a two-lane undivided road.
Photos taken December 2020.
Welcome to the City of White Plains! Secor Road changes names to become Old Mamaroneck Road at the city line.
Photos taken December 2020.
Old Mamaroneck Road ends here at a traffic light. Continue straight ahead onto Mamaroneck Avenue to stay on NY 125.
Photos taken December 2020.
Mamaroneck Avenue runs north as a four-lane undivided road. There are traffic lights at Rutherford Avenue, Carhart Avenue, and Maple Avenue.
Photos taken December 2020.
NY 125 ends at a traffic light at East Post Road (NY 22). Turn right to go north or left to go south. There is no route signage at this intersection. Mamaroneck Avenue continues straight ahead as a local street for a few more blocks to Main Street (NY 119).
Photos taken December 2020.

Copyright © 2003-2021 by David Golub. All rights reserved. The author would like to thank William Roll for contributing photographs and LC for contributing documents to this web site. You may not reproduce any text or photographs on this web site without express permission from the author. Hotlinking of images from this site is strictly prohibited. Route symbols based on graphics from Central PA/MD Roads and Wikipedia. Map icons by MapGlyphs.com.