Paragraph 18

Before providing any illumination or illuminated traffic sign on or in connection with the specified works in the vicinity of any railway of Railtrack, the Executive shall consult Railtrack and comply, subject to the approval of the Secretary of State, with Railtrack’s reasonable requirements in regard thereto with a view to ensuring that such illumination or illuminated sign will not be confused with any railway signal or other light used for controlling, directing or securing the safety of traffic on the railway.