One person is in the hospital with critical injuries after a two car collision on Highway 45 in Waupaca Sunday.
The accident was reported at 10:45 p.m. in the township of Bear Creek.
Officers say a car crossed over the center line and hit a semi truck.
The semi driver was not hurt and names are not being released at this time.
Highway 45 north of Highway 22-76 was detoured for a few hours early Monday morning but has since opened up to normal traffic flow once again.