Operations to Shift Rockland-Bound Traffic on Governor Mario M. Cuomo Bridge to Begin Friday Night

... stop and temporarily hold traffic. Work will require a temporary closure of the Thruway (I-87/I-287) Exit 9 (Tarrytown - Sleepy Hollow - US Route 9) northbound on-ramp from 9 p.m. until 6 a.m. Saturday. Northbound/westbound drivers will be detoured ...
http://www.thruway.ny.gov/news/pressrel/2018/09/2018-09-26-gmcb-rockland-traffic-shift.html