M5 junction 1 to 2 Oldbury viaduct

Major concrete repair and waterproofing on the M5 Oldbury Viaduct, between junctions 1 and 2.

Region:  West Midlands
Start date:  16 January 2017
Cost:  TBC
Status:  CURRENT
Type:  Maintenance Scheme
End date:  Autumn 2018

Progress report

We have started preparatory work for a major concrete repair and waterproofing scheme on the M5 Oldbury Viaduct, between junctions 1 and 2, in advance of the main scheme, which is planned to start after Easter 2017. We are carrying out this work using overnight lane closures and weekend overnight full closures of both the slip roads and the main carriageway.

What next?

We will begin the main scheme by removing the surface on the southbound carriageway to investigate the condition of the concrete underneath. At this stage we will know the level of repairs required and will be able to give an update on the programme. Once this is complete the damaged concrete will be repaired and a new waterproofing layer applied. This will then be repeated on the northbound carriageway.

To enable safe access to undertake this work we will need to close one carriageway at a time. To keep this vital route open we will use a contraflow system whereby both the northbound and southbound traffic runs on one side of the carriageway. This will allow us to keep two narrow lanes running in each direction.

The final phase will involve repairing and re-waterproofing the central reserve and installing a new concrete barrier to improve safety. This work will be undertaken with three narrow lanes in each direction. For the majority of the scheme the slip roads will remain open.

We have designed this traffic management to maintain access to the M5 and thereby limit the resulting congestion on the local roads. We will do everything possible to plan and manage our road works to keep traffic moving. However there will still be some disruption to the M5 and routes leading into or out of these junctions.

We recommend that you plan ahead and allow extra time for your journeys. You may wish to consider using alternative routes and modes of transport where possible. If you use this route to commute it is also worth considering, where possible, car sharing or working from home. For information on public transport visit the Network West Midlands website.


Date Event
January 2017 Preparatory work under overnight closures
March 2017 We will hold public information events in advance of main work starting
After Easter 2017 Start of main work – roadworks with contraflow implemented
Autumn 2018 End of works

We are holding a series of information events to provide details of the work and traffic management for this scheme. Please visit one of our public exhibitions to meet our project team and learn more about the scheme.

Date Location Time
Thursday 23 March Queens Square Shopping Centre (opposite Primark), West Bromwich, West Midlands, B70 7NJ 2pm – 5pm
Friday 24 March Sainsbury’s SavaCentre Oldbury, Freeth St, Oldbury B69 3DB 10am – 8pm
Saturday 25 March Pennington Suite, 2nd Floor (report to main reception, East Stand), West Bromwich Albion Football Club, The Hawthorns, West Bromwich, B71 4LF 10am – 4pm

Why we need this scheme

The M5 is one of the busiest routes in the country, carrying a mix of traffic through the Midlands and onwards to routes in the north and south. This section of the M5 motorway is particularly busy, and is a commuter hub with traffic joining with the M6 and then other roads into and out of the Birmingham hub, and other cities in the region.

By maintaining this section we are delivering a huge investment in Oldbury that will support economic growth locally and in the wider West Midlands. This supports our commitment to ensuring that the region’s roads are fit for now and for the future.

The scheme in detail

Through the West Midlands, various parts of the M5 are on elevated sections, or viaducts, constructed from concrete in the late 1960’s. As the number of vehicles has increased, so has the amount of maintenance necessary to keep this road safe and open to traffic. Oldbury viaduct carries approximately 1.8 miles (3km) of the elevated sections of the M5 to the west of Birmingham between junctions 1 and 2. The structure itself is safe, but we need to carry out essential repair work to the waterproofing on this section to ensure that drivers continue to have safe and reliable journeys. The structural integrity relies on the waterproofing, which is hidden under the road surface and protects the steel bars reinforcing the concrete from corrosion.

To minimise impact around the Birmingham area we have programmed this work now to maximise a window of opportunity before proposed work on other areas of the wider West Midlands, including HS2. We have collaborated with local authorities to consider their work programmes and suggestions for traffic management and agreed diversion routes.

The local area around Oldbury has a number of small and large businesses, and varying leisure/shopping destinations, all relying on the road network. We have therefore limited the period we are on site to the absolute minimum. We do advise drivers to take alternative routes along the motorway network where possible. If you are travelling north/south you may wish to use the M42/M6.


The aims of this scheme are to:

  • repair the viaduct to a safe and serviceable condition
  • support the local economy and ensure safety for road users
  • prevent larger repairs in the future with more disruption
  • minimise disruption during the work as much as possible by effectively managing the flow of traffic throughout the wider area

Project media files and documents

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Project timeline

Planned roadworks

Roadworks and Events for England

The latest incident information for England's motorway and trunk routes provided by Highways England

Location : The M5 southbound between junctions J1 and J4 . Reason : Roadworks scheme. Status : Currently Active. Period : from 20:01 on 15 March 2018 to 06:00 on 21 December 2018.
Posted: March 17, 2018, 9:09 am
Location : The M5 northbound between junctions J2 and J1 . Lane Closures : Lanes 2 and 3 are closed. Reason : Roadworks. Status : Currently Active. Period : expect disruption until 06:00 on 31 May 2018. Lanes Closed : There are two of four lanes closed.
Posted: March 17, 2018, 8:38 am
Location : The M5 southbound exit slip at junction J2 . Reason : Roadworks are planned. Status : Pending. Schedule : From 20:00 on 16 March 2018 to 06:00 on 17 March 2018. Schedule : Expect disruption everyday between 20:00 and 06:00 from 19 March 2018 to 24 March 2018. Lanes Closed : All lanes will be closed.
Posted: March 17, 2018, 4:46 am
Location : The M5 southbound between junctions J1 and J2 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Roadworks. Status : Currently Active. Period : expect disruption until 06:00 on 31 May 2018. Lanes Closed : There is one of three lanes closed.
Posted: March 16, 2018, 6:33 pm
Location : The M5 northbound between junction J3 and the M6 . Reason : Roadworks. Status : Currently Active. Period : from 16:23 on 1 September 2017 to 06:00 on 31 August 2018.
Posted: March 14, 2018, 4:44 pm


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