The trooper pulled over a car on eastbound state Route 512 near 94th Street when a man driving a Chevrolet S-10 pickup broadsided the trooper's unmarked Dodge Charger, according to Trooper Guy Gill.
The trooper was inside the patrol car at the time of the collision doing paperwork.
Damage to the trooper's patrol car was "significant" and no injuries were reported, Gill said.
The crash is being investigated.

