Clue is correct, at least for Iowa. Unless Corey can find something to override this law [emphasis mine]:
2 (a). A “steady circular red” light means vehicular traffic shall stop. Vehicular traffic shall remain standing until a signal to proceed is shown or vehicular traffic, unless prohibited by a sign, may cautiously enter the intersection to make a right turn from the right lane of traffic or a left turn from a one-way street to a one-way street from the left lane of traffic on a one-way street onto the leftmost lane of traffic on a one-way street. Turns made under this paragraph shall be made in a manner that does not interfere with other vehicular or pedestrian traffic lawfully using the intersection. Pedestrian traffic facing a steady circular red light shall not enter the roadway unless the pedestrian can safely cross the roadway without interfering with any vehicular traffic.