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[[<!--IMAGE FILE-->File: HYBNTokenInstrGWR_7284_20150411.jpg |thumb|centre|300px|link=<!--PAGE TO LINK TO--> Single line working using tokens GWR 7284 Composite | Working between [[Bewdley North signal box|Bewdley]] and [[Bridgnorth]] GWR Corridor Composite 7284 is controlled using tokensa late Collett-era design, according to built in 1941. It was first restored in 1971 and in the mid-1970s formed part of the SVR's [[ETTThe Severn Valley Railway on the main line#SVR Carriages used on the main line |Electric Train TokenGWR rake of carriages used on the main line]] Regulations. This system ensures that only one train can enter each section of track at any given time. The present day SVR uses a later type of instrument called a 'key token' instrument, so named because each token resembles a large key It has seen regular service since but was withdrawn for repairs in mid-May 2020.[[<!--PAGE TO LINK TO--> Single line working using tokens GWR 7284 Composite | (Full article...)]]]]