SCHEDULE 1PARTICULARS OF THE BARRIERS, LIGHTS, TRAFFIC SIGNS AND OTHER DEVICES
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Three electric lamps, each of not less than 5 watts nominal rating or equivalent, and with lenses of not less than 50mm diameter, shall be fitted to each barrier, one within 150mm of its tip, one near the edge of the carriageway and one near the centre point between the other two. When illuminated the lamps shall show a red light in each direction along the carriageway.