M25 overnight closures start 10 August between junctions 15 and 16
National Highways will shut sections of the motorway for four nights of roadworks
Trust 44Craft 70Hype 15How this was reported ▾
Trust 44: closures attributed to National Highways and specific dates/junctions are given, but no named persons or documents.
How well corroborated and evidenced the reporting is. Higher is better.
Critic 70: clear facts and impact noted, but article reads like a press release lacking original reporting.
Context, balance and separation of fact from comment. Higher is better.
Hype 15: language is factual and proportionate, no sensationalism or click‑bait.
How far presentation runs ahead of substance. Lower is better.
1 source assessed · methodology
National Highways will close the M25 clockwise between junction 15 (Heathrow) and junction 16 (M40) from 10pm on Monday 10 August. The road will reopen at 5.30am on Tuesday 11 August. The closure affects drivers travelling through the western edge of Barnet, particularly those using the M40 link.
The following night, the anticlockwise carriageway will shut between junction 9 (Godstone) and junction 8 (Reigate). That closure will run from 10pm on Tuesday 11 August to 5.30am on Wednesday 12 August. National Highways said the works are part of planned maintenance, reported by This Is Local London on 6 August.
M25 night closures until 7 August affect Barnet drivers daily
National Highways schedules overnight motorway works with diversions across multiple junctions
Which slip roads and roundabouts will close
On Monday 10 August, the clockwise entry slip road at junction 4 (Orpington) will also close. The anticlockwise exit slip road at junction 17 (Maple Cross) and entry slip road at junction 18 (Chorleywood) will shut too. Junction 29’s roundabout will close in both directions on Wednesday 12 August.
National Highways has not published the exact nature of the works. The closures will affect commuters, freight drivers and holiday traffic heading to Heathrow Airport or the M40 corridor. Drivers are advised to use alternative routes or delay journeys until after 5.30am.
M25 lanes closed after lorry breakdown and crash near Heathrow and Dartford
Traffic congestion stretches to Junction 13 at Staines while one lane remains shut at Junction 2
What happens if the weather changes
National Highways warned that poor weather could force last-minute changes. The agency told This Is Local London that planned works are subject to short-notice adjustments. Drivers should check the National Highways website or traffic apps before setting out.
Questions this report answers
+Which M25 junctions will close on 10 August?
The M25 clockwise will close between junction 15 (Heathrow) and junction 16 (M40) from 10pm on 10 August. The closure affects drivers heading west through Barnet and towards the M40.
+How long will the M25 closures last?
Each closure will run from 10pm until 5.30am the following morning. National Highways has scheduled works for four consecutive nights, starting on 10 August.
+What should drivers do if the weather turns bad?
National Highways said planned works can change at short notice during poor weather. Drivers should check live traffic updates before travelling, as closures may be delayed or cancelled.
+Are slip roads affected by the M25 closures?
Yes. On 10 August, the clockwise entry slip road at junction 4 and anticlockwise slip roads at junctions 17 and 18 will close. More slip roads will shut on later nights.
WE FILE
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The London Travel Desk assembled this report from the outlets listed below. Language-model drafting is reviewed under human editorial supervision, with scoring notes and corrections kept visible.
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