A An intersection at the same elevation of a road and one or more rail tracks. See Manned Level Crossing, Automatic Level Crossing and Open Crossing. equipped with Single or double Barriers, provided at Controlled Level Crossings, which extend across the whole width of a road. Barrier Skirts may be provided. that is remotely controlled within normal visual range of the A person responsible for the operation of the Signalling System, to safely control the passage and regulation of trains, usually located in a Signal Box. or A person appointed at a permanent Gate Box to carry out the normal operating procedure of a Level Crossing..