The closures on I-87/I-287 will be southbound/eastbound traffic lanes from Exit 11 (Nyack/South Nyack/Route 9W) to Exit 9 (Tarrytown/Sleepy Hollow/Route 9) starting at 9 p.m. Friday.
At least one lane will remain open at all times.
Lanes will begin to reopen at 6 a.m. Saturday. All four lanes will reopen by 10 a.m.
All four Rockland-bound (northbound/westbound) lanes will remain open during the operation. Specific lane closure times are listed in the chart below.
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