Bristol Multiple Aspect Signaling Cardiff Westerleigh Yate Signal Box 1969 BR W
Bristol Multiple Aspect Signaling Filton Jct Hallam Marsh Signal Box 1971 7B
Bristol Multiple Aspect Signaling - Highbridge to Cogload - Bridgewater 1972 BRW
Bristol Multiple Aspect Signaling Stapleton Rd - Filton & Avonmouth Jct 1970 BRW
Bristol Multiple Aspect Signaling - Westerleigh w to Yate s & Badminton 1971 BRW
