A406 Traffic Today: Motorists travelling on the North Circular Road (A406) in London face delays around Brent Cross as flyover renewal works and lane restrictions affect key routes in north-west London. Transport for London (TfL) traffic updates report a westbound Lane 1 closure on the A406 from Golders Green Road, while Lane 1 of the A41 Hendon Way remains closed in both directions until Saturday, November 21, 2026.
The A406 will also close in both directions at the Brent Cross Interchange for five hours overnight on each night from October 13 to October 16.
Meanwhile, utility work on Bowes Road in Enfield has closed one westbound lane, although traffic there is generally flowing well. Drivers should check current road conditions and plan their journeys before setting off.
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A406 Traffic Today
Transport for London’s road status page lists the North Circular Road (A406) under serious delays, with the Brent Cross area experiencing slow-moving traffic and tailbacks. The main disruption comes from the renewal work on the nearby A41 Brent Cross flyover.
The key traffic restrictions include:
- Westbound A406: Lane 1 is closed from Golders Green Road towards Brent Cross Interchange.
- A41 Hendon Way: Lane 1 of three lanes is closed in both directions, with restrictions scheduled through November 21, 2026, according to the supplied update.
- Brent Cross Interchange: The A406 will close in both directions overnight beneath the interchange from October 13, with closures scheduled from 10 pm to 5 am.
- Bowes Road, Enfield: Lane 1 of three is closed westbound at Warwick Road for UKPN utility works, although traffic is generally flowing well.
Drivers travelling through Brent Cross should expect longer journey times, particularly during busy periods. TfL advises motorists to plan and consider avoiding the A41/A406 interchange where possible.
A406 Traffic Today: What Happened?
The current disruption on the A406 is primarily linked to planned infrastructure work rather than a newly reported crash. TfL is carrying out major renewal work on the A41 Brent Cross flyover to improve the structure’s safety and reliability.
The project requires lane restrictions on both the A41 Hendon Way and the westbound A406. Reduced road space has slowed traffic around Brent Cross, with queues reported near The Vale and Brentfield Gardens.
The works will also require overnight closures beneath Brent Cross Interchange. TfL has scheduled these closures to allow concrete repairs to take place safely.
Separately, utility work on Bowes Road near Warwick Road in Enfield has closed one westbound lane. TfL’s latest supplied update says traffic there is flowing well.
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