A man has been critically injured in an early morning head-on collision at 740 Highway 153, Chattanooga police said.

Investigators responded to the accident just before 2 a.m. and determined that a Jeep Wrangler driven by 32-year-old Latisha D. Stephens was travelling north in the south bound lane, police said.

Stephens hit a Chrysler mini-van driven by 25-year-old Kevin Yates, police said. The collision critically injured Yates who was taken to a local hospital with multiple life threatening injuries.

Stephens was not seriously injured, according to a news release.

Traffic investigators are checking to see if the crash is alcohol related.