Revises weight limits of commercial motor vehicles with respect to federal commercial motor vehicle safety laws to apply such laws to vehicles having a gross vehicle weight rating or gross vehicle weight of at least 26,001 pounds, whichever is greater (currently, applies to such vehicles having a gross vehicle weight rating or gross vehicle weight of at least 26,001 pounds, whichever is greater, or a lesser gross vehicle weight rating or gross vehicle weight, but in any event not less than a gross vehicle weight rating of 10,001 pounds).