State Police released a statement saying the cruiser was stopped Sunday along Interstate 95 in Canton to assist a motorist with a flat tire when the 2003 Buick Century crashed into the cruiser, the Boston Globe reported Monday.
The woman told police she lost control of her car while sneezing.
The woman was not injured in the 5:20 p.m. crash. A trooper who was inside the cruiser was taken to Norwood Hospital as a precaution.
Police said both vehicles were removed from the scene by tow trucks.