A MTA bus driver was arrested for drunken driving in Brooklyn, cops said.

Dwayne Chambliss, 47, was off-duty and driving a personal vehicle when he was pulled over in Coney Island around 2:15 a.m. Sunday, police said.

Not only was his blood alcohol level over the limit, but he was also speeding, cops said.

Chambliss was booked on charges of aggravated unlicensed operator, driving while intoxicated, following too close, speed violation, and driving while ability impaired.