Stability works on Chiswick Flyover begin

Image above: Chiswick Roundabout with the flyover above

Congestion more likely during five months of works

Essential repairs to the M4 Chiswick Flyover’s concrete structure have begun, with increased congestion already being reported all along Great West Road.

The work is being carried out to ensure the structure remains safe and will last longer in the future, says Transport for London. The work will be taking place between Monday 23 January and May 2023. Overnight closures are in effect and scaffolding and netting have been installed around the piers of the flyover.

The roadworks are on the section of the motorway between Junction 3 and Junction 1, which runs above the A4 Great West Road.

Until Sunday 29 January, the A4 will be closed overnight between A3002 Boston Manor Road and B455 Ealing Road from 10.00pm to 5.00am. Signs will instruct drivers of the route for diverted traffic, which is via the A3002 Boston Manor Road, A315 High Street and B455 Ealing Road.

In February the A4 will be closed overnight in both directions from 10.00pm to 5.00am, between the B455 and the junction with Clayponds Avenue and Clayponds Lane. These closures will be in place from Monday 6 February until Sunday 12 February. A signed diversion will be in place in both directions via the B455 and A315 and A205 Chiswick Roundabout.

When that is finished, work will begin taking place during the day on the flyover. Between 7.30am and 5.30pm the A4 will be down to two lanes between Boston Manor Road and Brook Lane North and again between Ealing Road and Lionel Road North.

A 30mph speed limit will be introduced and some pedestrian crossing points will be closed, with the nearest crossing signposted.

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