In total 309 were built, with the order split between English Electric's Vulcan Foundry at Newton-le-Willows and Robert Stephenson and Hawthorns, Darlington. The Class 37 became a familiar sight in many parts of the British Rail network, for example, forming the main motive power for Inter...
Southampton to Norwich Heathrow Airport to Loughborough Rugby to Watford Liverpool to Southampton Edinburgh (Waverley) to Wigan Manchester to Barmouth Leicester to Wigan London to Downham Market Watford to Norwich Chichester to Heathrow Airport Newton-le-Willows to London Farnborough to Woking ...