Wis. Admin. Code Trans 301.32
Steps
Cite as Wis. Admin. Code Trans § 301.32
Steps.
(1) The first step at the service door shall be not more than 18 inches above the ground when the vehicle is empty. The use of a portable step may not be considered in meeting this requirement.
(2) The riser of the upper step at the service door shall be not more than 15 inches.
(3) A grab handle not less than 10 inches in length shall be provided in an unobstructed location inside doorway to assist a person entering or leaving a HSV.
(4) The surface of the steps shall be of nonskid material or construction.