The 1-mile closures from the toll plaza to just north of exit 8A (Elmsford – NY Route 119 – Saw Mill River Parkway North) are necessary to perform work on an electronic highway sign structure.
Two lanes of the southbound Thruway will remain open during the closures.
In addition, the exit 10 on-ramp to the southbound Thruway in South Nyack will be closed until 5 a.m., Wednesday.
The closure will allow Tappan Zee Constructors, LLC to continue restriping the road and moving temporary barriers. Drivers will be directed to use the entrance ramp at Route 59 in Nyack
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