In addition to the requirement of 49 C.F.R. 393.86, a truck tractor and semitrailer combination with a semitrailer length longer than fifty feet, the frame or body of which extends more than thirty-six inches beyond the rear of its rear axle and is more than thirty inches above the roadway, shall not be operated on the highways of this City unless equipped with an underride guard on the extreme rear of the frame or body. The underride guard shall meet all of the following requirements:
(a) Provide a continuous horizontal beam having a maximum ground clearance of twenty-two inches, as measured with the vehicle empty and on level ground.
(b) Extend to within four inches of the lateral extremities of the trailer on both left and right sides.
(c) Be substantially constructed and firmly attached.
(d) An asphalt hauling vehicle that is required to be equipped with an underride guard under this section shall be exempt from the requirement of this section if the underride guard prevents the vehicle from being attached to an asphalt paving machine. As used in this section, "asphalt hauling vehicle" means a motor vehicle, trailer, or semitrailer specifically designed for attachment to asphalt paving machines and which is used for hauling asphalt paving materials.
(e) A commercial motor vehicle constructed and maintained so that the body chassis or other parts of the vehicle afford the rear end protection contemplated by this section is in compliance with this section.
(Ord. 97-10. Passed 11-5-97.)