“Buckling” occurs when steel rails expand as they get hotter and can start to curve.
Thousands of miles of steel track make up the UK’s rail network, absorbing heat up to 20C hotter than the air temperature, said Network Rail.
“Buckling” occurs when steel rails expand as they get hotter and can start to curve.
Thousands of miles of steel track make up the UK’s rail network, absorbing heat up to 20C hotter than the air temperature, said Network Rail.