Montauk Highway in East Quogue has reopened after a two-car, head-on collision shut it down for more than an hour on Wednesday, Southampton Town police said.
The accident happened about 4:26 p.m. near the 7-Eleven on Bayberry Lane, police said.
The four did not have life-threatening injuries, Burns said.
The Toyota driver was airlifted with serious injuries to Stony Brook University Medical Center, Burns said. One passenger was taken to Peconic Bay Medical Center and another to Brookhaven Memorial Hospital Medical Center, police said.
Both vehicles were impounded for safety checks, police said.