xmlns:atom="http://www.w3.org/2005/Atom"
15. The centre line of the carriageway shall be marked on the crossing between the stop lines mentioned in paragraph 12 and for a distance of 15 metres on each side of the railway measured along the centre of the carriageway from stop lines with a reflectorised warning road marking of the size and type shown in Diagram 1004.1 in the Regulations.