The pipeline right-of-way shall be kept clear and unobstructed, except for uses which are temporary in nature that may be removed quickly during emergency situations. The storage of any explosive or combustible materials shall not be located in the right-of-way. The pipeline shall be properly signed for easy identification. Where fences are erected over or around the pipeline, they shall be built in such a manner as to allow ready access to the pipeline for emergency vehicles and pipeline maintenance.