Singapore legislation
Regulation 30
of Road Traffic (Motor Vehicles, Construction and Use) Rules
Regulation 30
Stop lights
Subregulation 1
Subject to paragraph (2), every two-wheeled motor cycle with or without a side-car attached shall be fitted with one stop light, and every other vehicle shall be fitted with a matched pair of stop lights.
Subregulation 2
Nothing in paragraph (1) shall apply to —
a land tractor, land implement and works vehicle; and
a trailer if the stop lights of the towing vehicle are fully visible from the rear.
Subregulation 3
Where the vehicle is a two-wheeled motor cycle with or without a side-car attached, the stop light shall be fitted on the longitudinal axis of the motor cycle.
Subregulation 4
Where the vehicle is other than a two-wheeled motor cycle, the stop lights shall be fitted not more than 400 millimetres from the outermost part of the illuminated surface to the outermost part of the vehicle.
Subregulation 5
Every stop light shall show a steady red light diffused by means of frosted glass or other adequate means and visible from the rear of the vehicle, when the braking system which operates the stop light is applied.
Subregulation 6
The total rated wattage of the filaments illuminating a stop light shall be not less than 15 watts nor more than 36 watts.
Subregulation 7
The centre of the illuminated area of a stop light shall not be less than 0.4 metre nor more than 1.5 metres above the level of the ground when the vehicle is unladen.
Subregulation 8
The Registrar may, subject to such terms and conditions as he may impose, approve a height of more than 1.5 metres but below 2.0 metres.
Subregulation 9
Every stop light fitted to a motor vehicle shall be operated by the application of the brakes of a braking system of the motor vehicle which are designed to bring the motor vehicle, when in motion, to rest within a reasonable distance.
Subregulation 10
The electric circuit or circuits required for the operation of the stop lights on a vehicle, referred to in paragraph (1) other than a two-wheeled motor cycle, shall be so arranged that if one of the stop lights fail to operate the other stop light shall not thereby become inoperative.
Subregulation 11
Where a vehicle is fitted with more than a matched pair of stop lights —
additional lights shall either be a single stop light or a matched pair of stop lights;
it shall, in the case where a single stop light is fitted, be mounted at the centre line on the longitudinal plane of the vehicle; and
it shall, in the case where an additional matched pair of stop lights is fitted, be mounted symmetrically with the longitudinal plane of the vehicle.
Subregulation 12
The additional lights referred to in paragraph (11) shall be constructed to a standard approved by the Registrar.
Subregulation 13
No vehicle shall have more than 2 matched pairs of stop lights or one matched pair of stop lights and one single stop light.