Delays of up to one hour on First Great Western between Worcester Shrub Hill and Bristol Temple Meads, and between Hereford and Oxford due to signalling problem at Worcester Shrub Hill.
Also affecting London Midland services. First Great Western do not have an estimate for normal service.
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The Orkney Islands took second place, followed by Rutland and Wychavon while last year's winner Winchester falls to fifth place.
With more people in the UK living in temporary accommodation, parts of England will soon trial a scheme which has tackled the problem.
Forecast for tonight and tomorrow in the west