No driver of a vehicle shall disobey the instructions of any official traffic-control device placed in accordance with the provisions of this chapter, unless at the time otherwise directed by a peace officer subject to the exceptions granted the driver of an authorized emergency vehicle.
Iowa Code § 321.256
Referred to in §321.482A, 321E.17, 805.8A(8)(b)
For applicable scheduled fine, see §805.8A, subsection 8
Additional penalties for violations causing injury or death, see §321.482A