NewsOn6.com

TULSA, OK -- Tulsa Police worked a pair of unrelated traffic crashes overnight in Tulsa. 

A motorcycle wreck near U.S. Highway 169 and 61st Street around 2 a.m. Friday injured one person. 

Tulsa Police say the motorcycle rider lost control and crashed on an entrance ramp to the highway. 

He suffered serious head injuries and was taken to a Tulsa hospital.

Police say he had a helmet with him, but was not wearing it at the time of the accident.

In another accident, the driver of a car drove off the Broken Arrow Expressway at 31st Street and hit a storage building. 

When Tulsa Police arrived on scene, officers couldn't find the driver.  They believe the driver fled the scene after the accident.