; and (B) submit to the Committee on Commerce, Science, and Transportation of the Senate and the Committees on Transportation and Infrastructure and Energy and Commerce of the House of Representatives a report on the research described in subparagraph (A). (d) Inspection and repair requirements (1) Post-accident inspections To ensure that all trailers, semi-trailers, and single unit trucks are maintained in safe and proper operating condition at all times, the Secretary shall require that any trailer, semi-trailer, or single unit truck involved in an accident (as defined in section 390.5 of title 49, Code of Federal Regulations (or a successor regulation)) undergo and pass an inspection described in appendix G to subchapter B of chapter III of title 49, Code of Federal Regulations (or successor regulations), to certify that all components of the trailer, semi-trailer, or single unit truck, as applicable, are in safe and proper operating condition. (2) Pre-trip inspections The Secretary shall require drivers— (A) to conduct a pre-trip inspection of the comprehensive underride protection system required under this section on their trailer, semi-trailer, or single unit truck— (i) to identify— (I) any metal perforated by rust or corrosion that compromises structural integrity; (II) cracked welds; (III) cracked or fractured vertical members; (IV) cuts and tears in any underride guard; and (V) missing fasteners and loose fasteners; and (ii) to ensure the dimensional integrity of those guards; (B) to include the results of the inspection described in subparagraph (A) in the driver vehicle inspection report