AMES, Iowa – July 3, 2018 – Changes in the flood forecast may cause the Iowa Department of Transportation to close U.S. 30 between Boone County Road R-18 and Iowa 17 near Boone earlier than previously announced. New water level readings suggest the roadway will likely be closed as early as noon on July 4. The road is expected to remain closed due to flooding until approximately 5 p.m. July 13, according to the Iowa DOT’s District 1 Office. During…