National Emergency Area Retrofit – M25

National Highways are delivering a government commitment to add more than 150 more emergency areas to motorways across the country including several sections of the M25 and surrounding motorways.

The programme of work in the south will start from 25 April 2024 and all sections are expected to be open by the end of March 2025.


In the South East over the coming months work will start on:

  • M25 between junctions 23 (South Mimms) and 27 (Epping), due to start from 25 April 2024.


See attached document for full details.