All lanes of State Route 164 were closed for several hours Tuesday night, Jan. 6, near SE 380th Place after a collision between two vehicles left four people injured, according to the Washington State Department of Transportation (WSDOT) and the Washington State Patrol (WSP).

Drugs or alcohol were determined to be a contributing factor in the crash, and the incident was investigated as a DUI collision.

WSDOT reported that the roadway was fully blocked near milepost 6 between Auburn and Enumclaw for approximately three and a half hours as emergency crews responded to the crash.

Here’s a description of what happened courtesy WSP:

The collision occurred at about 7:33 p.m. Tuesday, Jan. 6, on State Route 164 just west of 151st Avenue Southeast in King County.
Vehicle 01 was traveling westbound on SR 164, while Vehicle 02 was traveling eastbound in the opposite direction.
The westbound vehicle crossed the center line, then struck the eastbound vehicle head on.
Two vehicles were involved, both of which were totaled.
Four people were injured, and no fatalities were reported.

The 29-year-old driver of the westbound vehicle was injured and transported to Valley Medical Center. He was not wearing a seat belt and faces two counts of vehicular assault, WSP said. Two passengers in that vehicle were also injured and taken to MultiCare Auburn Medical Center. A third passenger was not injured. None of the occupants in the westbound vehicle were wearing seat belts, the patrol said.

The 80-year-old driver of the eastbound vehicle was injured and transported to MultiCare Auburn Medical Center. She was wearing a seat belt, according to the patrol.

No fatalities were reported.

Emergency crews cleared the scene after the roadway closure, and traffic later resumed.