Drivers in Ames are being affected by a water main break.
City officials say a water main break at 20th Street and Grand Avenue Wednesday has closed the intersection to east-west traffic.
Drivers are being asked to avoid the area.
North and south traffic on Grand Avenue will funnel to one lane in each direction from 24th Street to the north through 16th Street to the south.
City officials say repairs will take the entire day to complete.