DOVER, Del. — Delaware State Police say a man driving the wrong way on State Route 1 was killed when he crashed head on with a trooper’s cruiser.

The agency said in a news release that the crash occurred just before 6 p.m. Thursday in Dover. Troopers say 77-year-old Daniel J. Gates of Millsboro was driving a subcompact car north in the southbound lanes of SR1.

Investigators say Gates crashed head on into a fully marked state police cruiser traveling south in the southbound lane.

Troopers say Gates was pronounced dead at the scene. A family dog in the car was also killed.

The 22-year-old trooper was flown to a hospital and was released on Friday. The crash is under investigation.