Written Question·Department for Transport·UIN 14135
Roads: Temperature
Tabled: 29 June 2026
Answered: 1 July 2026
Question
Ayoub Khan
Independent — Birmingham Perry Barr
To ask the Secretary of State for Transport, what assessment her Department has made of the resilience of road surfaces to increasingly frequent periods of extreme heat.
Answer
Simon LightwoodThe Department and Met Office have published evidence that road surfaces are typically tested to withstand temperatures up to 60 degrees celsius. However, some roads may begin to soften at lower temperatures. The Department is working closely with Nationa...
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