From a press release today:

Temporary Traffic Stops on I-95 North and Southbound

Night Work Slated for New Signs in Westchester County; Work Begins Wednesday

WHITE PLAINS -- Motorists on the New England Thruway (I-95) northbound
and southbound in Westchester County may encounter temporary lane
closures on the nights of August 15, and August 16, 2012, during the
nighttime installation of new signs, the New York State Thruway
Authority announced.

The construction activity will take place from 9 p.m. and 5 a.m.
between Exit 18B (White Plains, Mamaroneck Ave. East) and Exit 20
(Rye, Route 1) on August 15 and August 16.

The sign installation will necessitate multiple traffic stops. The
traffic stops are scheduled to last no more than 20 minutes each.

The Thruway Authority appreciates motorists’ patience during this
scheduled event.