Seats

(a) Each bus seat shall provide a minimum seating space of sixteen inches per adult passenger, except school buses and/or school bus type vehicles, which shall have all seats facing forward and each bus seat shall provide a minimum seating space of fifteen inches per passenger, (b) Bus cross seats shall provide a minimum clearance at the knee level of twenty-four inches in front of the back cushion. (c) No bus seat shall be located so that a passenger occupying such seat would be forward of the driver.