Elsewhere train operator Northern is calling on its customers only to travel on Monday and Tuesday if it is essential with 'significant disruption' expected.
"You should only attempt to travel if absolutely essential and check regularly before travelling. Online journey planners will be updated as soon as possible but some changes may not show until the day of travel so we advise to keep checking back."
Smart. What about other railway companies? Will they be checking the lines haven't buckled if the weather reaches 40° or just let things carry on?
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