The State Highway Patrol is currently dealing with a crash on Interstate 70 West near mile marker 86.
As of 11:30 p.m. on Sunday, only one westbound lane was open.
A Highway Patrol dispatcher indicated two cars and a tractor trailer were involved in a collision. The vehicles were still being cleared from the scene shortly before midnight.
Some of the occupants were being treated for injuries. Authorities say none of the injuries appear to be life threatening.
The dispatcher on duty at the West Jefferson post indicated troopers expected to have the wreckage removed and all lanes of traffic opened by 12:30 a.m.
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