The detour follows US-31 and Washington Road. Old US-31 over the north branch of the Pentwater River in Pentwater. The detour follows Monroe Road or Washington Road off of US-31. The detour follows Greenville West Drive, Van Deinse Avenue and Industrial Park Drive. I-194 has one lane of traffic maintained in each direction.
All lanes are open to traffic.
The lane width is restricted to 10 feet. The lane width is restricted to 12 feet. US-131 near 100th Street in northern Allegan County has all lanes open with a traffic shift in place. The speed limit is posted at 60 mph. The detour follows Douglas Avenue, Ravine Road and Nichols Road.