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Mayor of London

Hogarth flyover

The maintenance work was needed to ensure the flyover remains structurally sound and continues to serve the area for the next 20 to 30 years. Hogarth flyover, which is nearly 50 years old, is used by around 10,500 vehicles a day to go eastbound from the A316 to the A4 Great West Road.

Temporary closures of the flyover allowed engineers to replace the deck, repair the supporting steelwork and install upgraded parapets. The old deck was demolished and 86 new concrete panels craned onto the structure. The new deck was then secured to the structure, waterproofed and a new road surface, kerbing and parapets installed.

New LED lighting on the slip road from the flyover has also been fitted, helping to improve visibility for vehicles entering the A4.

What's next

Now the highway elements of the works are complete, we will begin to upgrade the pedestrian subways near the Hogarth Roundabout, as well as replant trees and flowers around the roundabout to improve the look of the area.

  • Some night time lane closures on the northbound approach to the A316 Hogarth roundabout will take place for up to five nights in late September. This is to allow scaffolding and materials to be removed safely. The lane closures will be in place from 22:00, but at least one lane will remain open at all times.
  • Subway improvement works will take place until the end of October to repair the tiles, fix the handrails and resurface the footway. The subway will remain open, however the footway will be narrowed to allow this work to take place between 07:30 and 16:00.
  • For three nights from 20 October, we will carry out resurfacing work to the footway and will need to close one ramp each night from 19:00 until 07:00. Alternate pedestrian routes will allow pedestrians to cross the A316.

Check Roads status updates before you leave to keep up-to-date and avoid disruption to your journey.

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