M25 and key London motorways close overnight for roadworks
National Highways shuts sections of the M25, A282 Dartford Crossing, A1(M) and M3 between 29 and 30 July 2025
Trust 44Craft 56Hype 30How this was reported ▾
Lacks a named person source; relies solely on National Highways attribution, limiting corroboration.
How well corroborated and evidenced the reporting is. Higher is better.
Provides specific closure details but reads like a press release without independent reporting.
Context, balance and separation of fact from comment. Higher is better.
Headline emphasizes 'major' closures, but article offers only routine closure information.
How far presentation runs ahead of substance. Lower is better.
1 source assessed · methodology
Drivers face overnight closures on the M25 and three other major routes around London. National Highways announced the works on 29 July 2025, affecting commuters and freight traffic heading into the capital.
The M25 clockwise carriageway is shut between junctions 25 (Enfield and Waltham Cross) and 26 (Waltham Abbey). The anticlockwise carriageway is closed between junctions 9 (Leatherhead) and 8 (Reigate and Cobham).
M25 crash near Waltham Abbey causes long delays for drivers
A multi-vehicle collision on the anti-clockwise carriageway led to queues stretching several miles this morning.
Dartford Crossing and other routes shut
The west tunnel of the A282 Dartford Crossing is also closed. Southbound traffic on the A1(M) is diverted between junctions 4 (Hatfield) and 2 (Potters Bar). The M3 northbound is shut between junctions 10 (Winchester) and 8 (Basingstoke).
National Highways said the closures are for planned maintenance. The agency did not specify when the roads will reopen. Drivers are advised to check live traffic updates before starting journeys.
M25 overnight closures planned for 7-10 August 2026 affecting Barnet routes
National Highways will close sections of the motorway between junctions 15 and 31 for resurfacing work
Who is affected
Residents in Enfield, Waltham Abbey, Cobham and Reigate face the longest diversions. Commuters travelling from Hertfordshire and Surrey into London may experience delays. Freight operators using the M25 orbital route are also impacted.
No alternative public transport has been arranged for affected routes. National Highways has not released details of the works or their expected duration.
What happens next
National Highways will reopen the roads once the overnight works are complete. The agency has not confirmed whether further closures are planned. Drivers should monitor the National Highways website or traffic apps for updates.
Questions this report answers
+Which sections of the M25 are closed tonight?
The M25 clockwise is closed between junctions 25 and 26, and anticlockwise between junctions 9 and 8. This affects drivers near Enfield, Waltham Abbey, Cobham and Reigate until the works finish.
+Is the Dartford Crossing closed?
Yes, the west tunnel of the A282 Dartford Crossing is closed overnight on 29 July 2025. Drivers should use the east tunnel or alternative routes if possible.
+What other motorways are shut near London?
The A1(M) southbound is closed between junctions 4 and 2, and the M3 northbound between junctions 10 and 8. These closures affect traffic from Hertfordshire and Hampshire into London.
+When will the roads reopen?
National Highways has not published a reopening time. Drivers should check the agency’s traffic alerts before travelling, as the closures are expected to last overnight.
WE FILE
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