Iowa Code Title VIII. Transportation [Chs. 306-330B] § 321.366. Acts prohibited on fully controlled-access facilities

a. Drive a vehicle over, upon, or across a curb, central dividing section, or other separation or dividing line.

b. Make a left turn or a semicircular or U-turn at a maintenance cross-over where an official sign prohibits the turn.

c. Drive a vehicle except in the proper lane provided for that purpose and in the proper direction and to the right of the central dividing curb, separation, section, or line.

d. Drive a vehicle into the facility from a local service road.

e. Stop, park, or leave standing a vehicle, whether attended or unattended, upon the paved portion.

f. Stop, park, or leave standing a vehicle, whether attended or unattended, upon the shoulders, or the right-of-way except at designated rest areas or in case of an emergency or other dire necessity.

g. Operate a bicycle, skateboard, or other pedestrian conveyance or be a pedestrian anywhere on a fully controlled-access facility. For purposes of this paragraph, “pedestrian conveyance” means any human-powered device by which a pedestrian may move other than by walking or by which a walking person may move another pedestrian, including but not limited to strollers and wheelchairs.