1. In this Schedule–
“contrast” means a contrast in the amount of light which is reflected by the surfaces of the parts of a regulated public service vehicle or its equipment which is required by these Regulations to contrast;
“cushion” means that part of a seat on which a person using the seat sits, whether padded or not;
“deep” in relation to a step, means the distance from the outer edge of the nosing of the step tread to the riser of the step tread;
“doorway area” means that area which is within one metre of any entrance or exit measured horizontally from any point along the external edge of the door aperture;
“exit” means an exit from a regulated public service vehicle but does not include an exit which is provided for use only in case of emergency;
“external step” means the last step or platform from an entrance or an exit which leads directly from the vehicle to the ground;
“gangway” means the space provided for obtaining access from any entrance to the passengers' seats or from any such seat to an exit other than an emergency exit, but does not include a staircase or any space in front of a seat or row of seats which is required only for the use of passengers occupying the seat or row of seats;
“km/h” means kilometre(s) per hour;
“kneeling system” means a system which enables the bodywork of a regulated public service vehicle to be lowered relative to its normal height of travel;
“mm” means millimetre(s);
“N” means newton(s);
“normal height of travel” means the height specified by the vehicle’s manufacturer for normal vehicle travel;
“priority entrance” means an entrance (not being an entrance fitted to the off-side of the vehicle) providing access to the priority floor area in accordance with paragraph 2(2)(b);
“priority exit” means an exit (not being an exit fitted to the off-side of the vehicle) providing access from the priority floor area in accordance with paragraph 2(2)(b);
“priority floor” area means a single continuous area of floor space comprising not less than 35% of the total floor area of a regulated public service vehicle;
“priority seat” means a seat designated as such in accordance with paragraph 3;
“seat” means a seat intended for use by passengers and, accordingly, does not include the driver’s seat or any other seat intended for use solely by a crew member; and
“total floor area” means the total floor area of a regulated public service vehicle, or in the case of a double-deck bus the total floor area of the vehicle’s lower deck, excluding the driver’s cab, wheelboxes, stepwells, internal staircases and any space designated for the storage of luggage.