SCHEDULE 1 PARTICULARS OF THE BARRIERS, LIGHTS, TRAFFIC SIGNS AND OTHER DEVICES
18 The control point shall have push-buttons to:
(a) lower the barriers – the ‘lower’ push-button;
(b) raise the barriers – the ‘raise’ push-button;
(c) release the protecting signals – the ‘crossing clear’ push-button;
(d) stop the lowering or raising of the barriers – the ‘stop’ push-button.