I am very glad that I took this photograph of Craven Arms signal box back in 1981 as today, whilst a box is still extant it is totally different to this 1947 Great Western design, see....
https://www.ontheupfast.com/p/21936chg/25752986204/craven-arms-crossing-signal-box Railtrack demolished it from within the new structure that encased it in 2000. This box was replaced due to rot making it beyond repair. The box is located at a level crossing to the north of the town and the station.