Changes

*[[List of signal boxes#Severn_Valley_Railway|1931 BR ]] GWR brought a new 113 lever frame into use at [[Buildwas]] signal box in connection with the opening of [[Ironbridge power station]].<ref>[[Bibliography#Books|Mitchell and Smith (2007)]] fig. 96.</ref>*1969 [[GWR 1116 Full Third]] arrived on the SVR, one of four vehicles from the Swindon test train purchased around that time.*1972 [[LMS 12992 Corridor Third]] arrived on the SVR from Plymouth.