Buildwas railway station was an important bustling junction station after the opening of the Severn Valley line in the mid-19th century. The station had platforms at two different levels and, at its peak, had a total of eleven staff, including the station master. Up to 1923 the area was controlled by two signal boxes, the Station signal box controlling the station area and the Junction signal box controlling the junction between the Severn Valley line and the double track line across the Albert Edward Bridge towards Lightmoor Junction. These were replaced with a single signal box approximately midway between its predecessors in 1923. This box was subsequently enlarged to accommodate a frame containing 113 levers on 9 December 1931. The track layout was altered several times during its exis