A 64-year-old man remains in critical condition tonight after colliding with a semi on Highway 169.Authorities say it happened just after 9:30 this morning on Highway 169 near Happy Chef and the Motel 8.They say a Mercedes driven by Jeffrey Lane Wagner pulled out to turn left to head south on 169.A semi, driven by Douglas David Parker was headed northbound in the left lane and hit the Mercedes on the driver's side.Wagner was trapped in the vehicle for some time...He was taken to ISJ where he is listed in critical condition.Parker was not injured.Authorities blocked off the highway for just over an hour.