The Cross County Parkway has also been reopened in Yonkers.
A boil water advisory remains in effect for southwest Yonkers through at least Thursday while health officials await test results.
Residents are advised to boil water before drinking it or using it to prepare food.
Cases of bottled water are being provided to senior housing facilities.
One southbound lane of the Saw Mill River Parkway between the Cross County Parkway and McLean Avenue remains closed.
The break on Monday was caused by a private contractor installing fiber optic cables.
WAKE UP WITH EYEWITNESS NEWS! Click here to download the WABC Eyewitness News Alarm Clock app from iTunes. or search WABC or 7online in the app store.
Get Eyewitness News Delivered