FOR AN ACT ENTITLED, An Act to revise the maximum weight allowed on certain wide-based super single tires.
BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF SOUTH DAKOTA:
    Section 1. That § 32-22-21 be amended to read as follows:
    32-22-21. No vehicle equipped with pneumatic tires may be operated or moved upon any highway in this state, if the weight of the vehicle and the load thereon resting upon the surface of the highway exceeds:

            (1)    Six hundred pounds on any inch of the tire width on:

            (a)    An axle equipped with dual tires;

            (b)    A steering axle;

            (c)    An axle of an oversize or overweight vehicle that cannot be readily reduced in size or weight and is operating with a permit issued under § 32-22-42; or

            (d)    An axle of a trailer being towed by a vehicle with a gross vehicle weight rating of eleven thousand pounds or less; or

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            (e)    An axle equipped with tires having a minimum width of four hundred forty-five millimeters or seventeen and one-half inches if operated on a highway identified in section 2 of this Act; or

            (2)    Five hundred pounds on any inch of the tire width on any other type of axle.

    In no instance may the weight on any axle or combination of axles exceed the maximum weight limits specified in § 32-22-16. A violation of this section is a Class 2 misdemeanor.
    Section 2. That chapter 32-22 be amended by adding thereto a NEW SECTION to read as follows:

    The maximum weight limit as provided by subsection 32-22-21(1)(e) applies to the following highways:

            (1)    The interstate highway system;

            (2)    Any locally designated highway within the corporate limits of any municipality adjacent to the interstate highway system;

            (3)    U.S. Highway 12 from Interstate 29 to Aberdeen;

            (4)    State Highway 37 from Interstate 90 to Huron;

            (5)    U.S. Highway 83 from Interstate 90 to Pierre;

            (6)    State Highway 79 from Interstate 90 to the Nebraska border;

            (7)    U.S. Highway 85 from Interstate 90 to Belle Fourche; and

            (8)    State Highway 50 from Interstate 29 to Yankton.