Officials with the Iowa Department of Transportation in Sioux City report railroad crossing replacement work by the Union Pacific Railroad in the Sioux City area, will require the closing Singing Hills Boulevard/Business U.S. 75 at South Lewis Boulevard to traffic, beginning at 8-a.m. Monday, Sept. 18t, through 5-p.m. Friday, Sept. 22nd, weather permitting.

Traffic will be detoured around the work zone using South Lewis Boulevard, Donner Avenue, and York Street.