People urged to avoid train travel and drivers to check cars ahead of scorching heatwave

Passengers using trains are being urged not to travel during the heatwave, while motorists are being asked to ensure their cars are well prepared. Train companies including Northern and Transpennine Express have said passengers should only travel if their journeys are absolutely necessary.

Speed restrictions are expected to be in force, to avoid causing damage to the tracks and to prevent rails from buckling, while some cancellations are expected. The AA has warned that roads could melt and tyres may burst with an increase risk of blowouts during the extreme heat.

Train companies including Northern, Transpennine Express and Avanti West Coast have said customers can defer their journeys, or can request a full refund. Customers are being advised to check their journeys on the National Rail website before leaving home.

READ MORE : Ringleader of Rochdale grooming gang given equalities role at 'monster mansion' jail in move blasted as 'unbelieveable'

In a warning to customers due to travel tomorrow or on Tuesday, Northern said: "Our advice to customers is to only travel if absolutely necessary on these dates, as the heat-related speed restrictions will significantly reduce the timetable we are able to operate. As fewer trains will be running, our services are likely to be very busy, and journey times will be increased."

The AA urged drivers to check their tyre pressures before setting off on their journeys, and advised people to drive earlier in the day to help prevent engines from overheating. Its president Edmund King said: "The extreme temperatures could be dangerous if you breakdown or get stuck in congestion. Ensure you have enough fuel or electric charge to keep your air-conditioning running.

"The heatwave could cause