6 p.m. - Business US-23 north of Ann Arbor near Barton Drive is slow due to a two-car crash in the northbound lanes.

5 p.m. - Southbound U.S. 23 is reopened at Washtenaw Avenue for through traffic.

4:41 p.m. - Southbound U.S. 23 traffic is closed at Washtenaw Avenue due to a multiple car accident that has one person pinned in a vehicle, according to Michigan State Police.

Details currently are not available on how many vehicles are involved or any other possible injuries.