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Rickmansworth - Overnight M25 Junction 17 Closures Due To Maintenance Works

WD3•Published 06/11/26
Watford Observer • 

What is happening?

NATIONAL HIGHWAYS
M25 Motorway – Junction 17 Temporary Traffic Restrictions

Notice is hereby given that NATIONAL HIGHWAYS LIMITED intends to make an Order on the M25 Motorway in the Unitary Authorities of SLOUGH AND BUCKINGHAMSHIRE COUNCIL under Section 14(1)(a) of the Road Traffic Regulation Act 1984 because works are proposed to be executed on the road.

The effect of the Order would be to authorise the overnight closure of all the roads leading to and from both carriageways of the M25 at Junction 17 (A412).

These measures would be in the interests of road safety while contractors undertake maintenance works on behalf of Hertfordshire County Council at Junction 17.

It is expected that the work would last for approximately 1 week starting on or after Tuesday 24th November 2026. The overnight closures would take place between the following hours (maximum periods) -

Days

Times

Mondays – Thursdays

22:00 – 05:30

Fridays

23:00 – 06:00

Saturdays

20:00 – 10:00

Sundays

22:30 – 05:30

The Order would come into force on 22nd November 2026 and have a maximum duration of eighteen months, ceasing when the works are complete. Please visit National Highways website for closure details.

Traffic affected by the closures would be diverted using the M25, the A404 and A412.

The temporary closures and diversion routes would be clearly indicated by traffic signs when they are in operation during the works period.

Ian Rosendaal,
An Official of National Highways Limited.
Ref: NH/SE/2026/M25/76
National Highways Limited, (Company No 9346363).
Registered Office: Three Snowhill, Snow Hill Queensway, Birmingham, B4 6GA.
A company registered in England and Wales.

For enquiries, please contact the Customer Contact Centre on 0300 123 5000 or Email: info@nationalhighways.co.uk.
Website: www.nationalhighways.co.uk

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