(1)  In this regulation –

air cushion vehicle means a vehicle that is designed to be supported when in motion wholly or partly by air expelled from the vehicle to form a cushion of which the boundaries include the water or other surface beneath the vehicle;

personal mobility device has the same meaning as in the Road Rules .

(2)  The following classes of vehicles are excluded from the ambit of the definition of motor vehicle under paragraph (g) of that definition in section 3 of the Act:

(a) air cushion vehicles;

(b) personal mobility devices.