Interstate 41/894 southbound at West Beloit Road has reopened after a seven-vehicle crash. There was a jack-knifed semi and six other vehicles, the Greenfield Fire Department said.
The Milwaukee County Sheriff's Office said there are injuries, debris on the roadway and a 200-gallon diesel fuel leak.The Greenfield Fire Department said five people were taken to area hospitals, but that the injuries were not serious.
All traffic is exiting at West Oklahoma Avenue.
Drivers should avoid the area if possible.