A The building in which the Signaller(s) is/are situated together with the control and indication system for the signalling. See also Signalling Centre. More, including a A Signal Box covering a large area, usually incorporating other operational functions. More, A control point provided for the supervision of one or more Level Crossings which is not controlled directly by a Signal Box. A Gate Box is not a Block Post. More or A control point containing levers or switches to permit the local operation of Points in Running Lines, Sidings and, where provided, the associated Signals. Thi... More.