There are delays of up to 30 minutes on First Great Western services between Taunton and Bristol Temple Meads due to cows having been on the line at Nailsea and Backwell.
Lines are now open but delays are expected until around 9am.
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It'll be a drier and brighter start to the working week - with the thunderstorms of the Bank Holiday well behind us.
The bank holiday weekend may have brought some hefty showers but the next few days are looking a little quieter.