Overview

• Road surface temperatures across England have topped 50°C under direct sunlight, pushing asphalt past its softening point.
• Central Bedfordshire Council is using gritters to spread a fine layer of crushed stone to prevent tarmac damage and improve vehicle traction.
• Devon County Council has followed suit, applying crushed stone to newer road sections after surface temperatures surpassed 50°C.
• The UK Health Security Agency has extended amber heat alerts into early July as authorities brace for continued high temperatures and health impacts.
• June 2025 was East Anglia’s hottest month on record, with air temperatures reaching the mid-30s and exposing vulnerabilities in road infrastructure.