Victorian Consolidated RegulationsVehicle width10A. Vehicle width For the purposes of these Regulations, vehicle width must be measured without taking into account- (a) central tyre inflation systems; (b) anti-skid devices mounted on wheels; (c) tyre pressure gauges; (d) signalling devices; (e) any rear vision mirrors, lights or reflectors that- (i) are mounted on the side of the vehicle; and (ii) comply with the standards for registration.