LOUISVILLE, Ky. (WHAS11) -- A Monday morning motorcycle collision is under investigation.

The crash happened around 3:30 a.m. in the 3400 block of S. 7th St. Road

Police say the driver of a passenger vehicle was northbound on 7th St. Road and attempted to make a u-turn from the right lane into the southbound lanes when it collided with a motorcycle that was also northbound. The motorcyclist flipped over the vehicle onto the roadway.

Police say a third car, also northbound, struck the motorcyclist.

The motorcyclist is at University Hospital with what appear to be life threatening injuries.

The road was shut down for a couple of hours.