Work Item Summary
- Project Phase
- Phase 1
- Region
- Oxfordshire
- Location
- Finmere, Newton Purcell
- Worksite Name
- A421, A4421
- Contractor
- EKFB JV
- Type of works
- Road closure, Road realignment, Traffic management
- Estimated Start Date
- 06/03/2026
- Estimated End Date
- 13/04/2026
What we are doing
We are continuing works on the A421 and the A4421 realigning both roads onto new overbridges. Once ready traffic will be moved onto the new bridges, however traffic management will still need to be in place for safety reasons.
Location
A421 – Finmere
A4421 – Newton Purcell
Duration
A421
Weekend Road Closures – Friday 8:00pm to Monday 5:30am
– 06 March to 09 March 2026
– 13 March to 16 March 2026 (8:00am Saturday to 10:00pm Sunday)
– 20 March to 23 March 2026
– 27 March to 30 March 2026
– 03 April to 06 April 2026
A4421
Weekend Road Closures – Friday 8:30pm to Monday 5:30am
– 10 April to 13 April 2026
Traffic management (lane closures and/or traffic lights) will remain on both roads when required until summer 2026.
What to expect
Weekend road closures and traffic lights.
HS2 is undergoing a comprehensive reset to ensure it can be built efficiently and for the lowest reasonable cost. This work is being carried out in stages and will be completed in 2026. We will provide you with updates on the reset and what this means for our plans to build the railway in your area.
Download information relating to these works
Find out more about
If you have a question about HS2 or our works, please contact our HS2 Helpdesk team on 08081 434 434 or email [email protected]