Junctions 12 to 13: Hermitage – Bridge Refurbishment

Work to replace the beams and waterproofing material to the bridges which carry the M4 over the B4009 Hampstead Norreys Road near Hermitage, Brocks Lane near Frilsham and Burnt Hill Road.

Overnight closures with narrow lanes and a 50mph speed restriction are in place during the scheme for your safety and that of our workforce.

To replace the beams we will need to close the M4 between junctions 12 and 13 over a number of full weekends.

View diversions

The three local authority roads will remain open for the majority of the scheme, closing only during the erection/dismantling of the scaffolding equipment and during all weekend closures of the M4.

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Preliminary works along the M4, between junctions 12 and 13, is progressing well and in October the narrow lane traffic management is scheduled to be installed.

To assist with onsite activities and the installation of the traffic management, the following full overnight closures of the M4 have been programmed:

  • Monday 9th, Wednesday 11th and Thursday 12th October – full EASTBOUND closures from junction 13 to 12
  • Friday 13th, Saturday 14th and Sunday 15th October – full WESTBOUND closures from junction 12 to 13

Significant delays are expected during these weekend closure periods, and it is advisable that you plan ahead of your journey to allow for extra time or avoid this route where possible.

During all closures a clearly signed diversion will be in place via the A4 (through Newbury, Thatcham and Woolhampton).

For more information please contact This email address is being protected from spambots. You need JavaScript enabled to view it. or call 0300 123 5000 or http://www.highways.gov.uk/roads