News & Features

M25 Emergency Area Retrofit Work

Posted in General News on Friday, April 12th, 2024

National Highways is delivering a government commitment to add more than 150 emergency areas to motorways across the country including several sections of the M25 and surrounding motorways. Work to install additional emergency areas is already taking place along the M1 corridor from junction 16 up to junction 35a. 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 5 (Sevenoaks) and 7 (Redhill), due to start from 25 April 2024.  
• M25 between junctions 23 (South Mimms) and 27 (Epping), due to start from 25 April 2024.  
• M3 between junctions 2 (Thorpe) and 4a (Farnborough), due to start from 29 April 2024.  
• M4 between junctions 10 (Wokingham) and 12 (Theale), due to start from 7 May 2024.  
• M20 between junctions 3 (West Malling) and 5 (Aylesford), due to start from 22 May 2024.  
• M27 between junctions 4 (Southampton) and 11 (Fareham), due to start during summer 2024.  

National Highways wish to stress that they do their utmost to maintain these dates, however dates are subject to change, and it may take a few weeks before the roadworks appear as preparatory work is completed. They will regularly publish information about the upgrade and the roadworks on their website at There are major upgrades already underway at junctions 10 and 28 of the M25, as well as regular roadworks for maintenance and renewals. You can find out more about these projects, including a series of planned weekend closures on the M25 junction 10 project on their webpages: They are in close contact with local authorities through coordinated collaborative meetings to minimise the impact of roadworks as much as possible. To carry out the work safely, lane one (the left lane) on the four-lane motorways listed, will be closed throughout construction. Lanes two, three and four will remain open with a 50mph speed limit in place. Existing emergency areas through roadworks will remain open and a free recovery service will be in place throughout the roadworks. 

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