A421 Marston Moretaine pump station replacement
We'll replace and relocate the control system of the pumping station on the A421 at Marston Moretaine in Bedfordshire, following severe flooding during 2024.
Latest updates
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05 March 2025
March closure
Work on replacing the pumping station at Marston Moretaine continues. As part of relocating the pumping station, we’ll now begin to construct a new control system.
To allow for this to be done safely, we’ll install a temporary safety barrier on the eastbound entry slip road. This will help safeguard our team while enabling work to continue with minimal road closures and disruption.
We will work overnight (8pm to 6am) on Monday 10 March.
To work safely, we will need the following closures:
A421 eastbound exit slip road
If you want to exit to the A421:
- continue on the A421 Eastbound to Marsh Leys
- then return on the Westbound back to Marston to exit
A421 eastbound entry slip road
If you want to enter the A421 eastbound from Beancroft Road:
- head westbound towards M1 junction 13 at Brogborough
- then return onto the A421 eastbound to continue your journey
Following the installation of the temporary barrier:
- The hard shoulder on the eastbound exit and entry slip roads will be closed.
- A 40mph speed limit will be in place only on the eastbound entry slip road for four weeks to ensure the safety of our team and to help drivers adjust to the road layout.
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17 February 2025
Work to begin on 24 February 2025
Work on replacing the pumping station at Marston Moretaine will begin on 24 February and is expected to be completed in early summer 2025, subject to weather conditions.
The first closure of the A421 will see the eastbound entry closed.
We'll work over night (8pm to 6am) Monday 24 and Tuesday 25 February.
If you're needing to enter the A421 from Marston Moretaine:
- head westbound towards M1 junction 13 at Brogborough
- then return onto the A421 eastbound to continue on your journey.
Please remember that closures can change at short notice. You can check the latest information on our daily closures page or find live travel information on our Traffic England website. Our travel alerts give details of live incidents on our network.
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24 January 2025
We'll be replacing the pumping station soon
We will be replacing and relocating the pumping station to higher ground, to help it cope better with heavy rain in the future.
Work will start Mid-February and is expected to complete in Spring 2025, subject to weather conditions.
We'll have lane closures on the A421 and the entry slip road at Marston Moretaine when we do the work.
Project information
Overview
Last year, we experienced high levels of rainfall and the pumping station couldn’t cope, so the A421 at Marston Moretaine was closed for several weeks.
We will be replacing and relocating the pumping station to higher ground, to help it cope better with heavy rain in the future.
Benefits
Reduce flooding on the A421 at Marston Moretaine, to help prevent emergency road closures.
Documents
Traffic information
Information about scheduled roadworks and events on our motorways and major roads.X
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