No one was believed to be impaired in a fatal wreck Wednesday involving five University of Georgia students and a Demorest woman, according to Georgia State Patrol.

“No person involved had any signs of impairment, nor were there any signs of any impairing substances located at the scene or in any of the vehicles involved,” state patrol said Monday in a news release.

The crash occurred Wednesday night on Ga. 15 in Watkinsville. Four UGA students were killed, sending a fifth to the hospital with severe injuries.

A Camry driven by one of the UGA students crossed the center line and struck an oncoming Chevy Cobalt, which was driven by Abby Short, 27, of Demorest.

Short has been treated and released from the hospital.

State patrol’s Specialized Collision Reconstruction Team mapped the crash scene Monday. The department said neither vehicle was speeding at the time of the incident.

“This type of investigation is very complex in nature and must be guarded to protect the integrity of the case,” state patrol said.