It is unlawful for a driver to make a U-turn except at an intersection; however, U-turns are prohibited within the Business District, at the following designated intersections and at intersections where there are automatic traffic signals.
(Code of Iowa, Sec. 321.236[9])
1. At the intersection of SE Florence Drive and SE University Avenue.
2. At the intersection of SE L.A. Grant Parkway/SE Ashworth Drive and SE University Avenue.