Thames Water will carry out urgent repairs to the sewer network on the eastbound A406 North Circular Road in London from Saturday 14 February, after a collapsed pipeline was discovered. The programme is expected to last up to two weeks.

Drivers should expect delays on the eastbound approach towards Brent Cross, with knock-on effects at the Hanger Lane Gyratory. From Hanger Lane heading eastbound onto the North Circular, lanes 1 and 2 will be closed and lane 3 will remain open. Access to the Travelodge slip road will be maintained via a signed diversion, and bus services along this stretch are suspended for the duration of the works.

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Engineers will be on site between 8am and 8pm, with some night-time activity where needed to keep the project on schedule. The repair is deemed critical to maintain the sewer’s performance and to reduce the risk of major flooding for nearby residents and businesses.

Neil Levy, Field Operations Specialist at Thames Water, said: "Our purpose is to deliver life’s essential service. We know this is a particularly busy route for motorists, and we recognise that the works are likely to cause significant disruption. We apologise in advance for the disruption we will cause and are working hard to minimise the impact by scheduling the activity to overlap with school half term, but traffic will be considerably heavier than usual.

"We're encouraging drivers to avoid the route where possible or allow extra time for their journeys during this period."