Traffic management at Avonmouth

Traffic management at Avonmouth

Western Power Distribution (WPD) and its contractor, Balfour Beatty, are working at Avonmouth to modify the substation and replace a section of the overhead line going north out of the substation with underground cable.

To keep public and staff safe during this work, we need to manage traffic and control access to these areas at different times.

M49 short term closures

We are preparing to remove the existing overhead line, which runs north of Avonmouth substation to the existing pylon next to the M49.

Where the overhead lines cross the M49, we need to temporarily close the motorway to keep drivers and our workers safe while we take them down.

We’ve agreed two short closures with Highways England and they have been planned at a time to minimise delays to journeys:

Sunday 7 June 2020 – from 5.00am to 11.00am.
Sunday 28 June 2020 – from 5.00am to 11.00am.

Highways England will notify road users of these closures in advance using the matrix signs in place on the M49.

Kings Weston Lane traffic lights 

Traffic lights are in operation on Kings Weston Lane until all our work in this area is complete. The lights work on a sensor and stay on green for local road users, only changing to red when project vehicles need to cross the haul road.

New 400,000 volt overhead line

We’re carrying out surveys along the route of a new overhead line from Sandford substation to Seabank substation (approximately 31.2 km).

The findings will help us to plan the final designs for the overhead line, the temporary road entrances and the haul roads needed to access the new pylon locations.

When surveying the roads our contractor, Balfour Beatty, will need to manage the traffic to keep public and our workers safe. This will involve using temporary traffic lights or ‘stop/go’ boards. We’re sorry if this causes disruption to your journey.




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