Record temperatures on Monday forced the cancellation of hundreds of train services, while flights at Luton airport were stopped after heat “melted the runway”.
Roads and trains were quieter than usual on Monday morning as many people heeded advice to stay home if possible in the heatwave – but UK transport operators warned the worst was yet to come.
Train cancellations and delays started to accumulate in early afternoon, with speed limits brought into force at midday as temperatures edged into the high 30Cs.
London Luton airport halted operations on Monday afternoon to repair the runway. The airport said: “Following today’s high temperatures, a surface defect was identified.”
Passengers on one incoming easyJet flight from Italy were told they were being diverted because of “bits of tarmac melting” on the runway.
Network Rail said passengers should consider using the railway on Monday and Tuesday only if absolutely necessary, and, if travelling, they should carry water and be prepared for much longer journeys.
Higher temperatures spreading north led to Scotrail on Monday following England and Wales in slowing down trains for safety. Trains across Britain were limited to a 90mph maximum, while on the east coast line linking London, York and Edinburgh the top speed was halved to 60mph.
The east coast line is predicted to experience the hottest temperatures, and some of its infrastructure, including for the wires and track, are more susceptible to damage in heat than other parts of the UK railway. The line will be closed entirely south of Leeds and York on Tuesday.
On the west coast mainline, Avanti was running about one train an hour on big intercity routes on Monday, with a London-Manchester service taking three and a half hours rather than two.
A Network Rail spokesperson said passengers who travelled on Monday morning “should not be lulled into a false sense of security” by services running properly, with the speed limits only coming into effect at noon.
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