Update, 2:10 p.m.
Montauk Highway has been reopened, according to Southampton Town Police. There were no injuries. The accident was called in 12:58 p.m.
As of approximately 1:15 p.m. on Wednesday, Montauk Highway was closed between Sagaponack Main Street and Lockwood Avenue as the Bridgehampton Fire Department and Southampton Town Police responded to a motor vehicle accident, according to police.
The accident occurred around 1 p.m. on Wednesday and heavy rescue equipment was called out; further details were not immediately available.