Pittsburgh Police from Zone 1 responded to Route 65 near the McKees Rocks Bridge for a collision between a motorcycle and vehicle just before 5:45 p.m.
When they arrived on scene the female motorcycle victim was found unresponsive. She was transported to the hospital in critical condition.
The driver of the vehicle had been pulling out of a driveway onto Route 65 when the motorcyclist, travelling northbound, hit the bumper of his vehicle. Neither he nor his passenger were injured and there were no signs of driver impairment.
The Collision Investigation Unit processed the scene and the investigation is ongoing.