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Update: Notice of lane closure and traffic lights, A423, Southam

Work item: HS2-EKFB-26-2275

Work Item Summary

Project Phase
Phase 1
Region
Warwickshire
Location
Southam
Worksite Name
A423
Contractor
EKFB JV
Type of works
Road closure, Traffic management
Estimated Start Date
10/08/2026
Estimated End Date
13/12/2026

What we are doing

Construction activities for the footpath and road realignment over the HS2 railway line.

Location
A423, Banbury Road, near Southam.

Duration
2 September to 13 December, 24 hours a day.

Updated Monday 2 November 2026.

What to expect

  • Two-way traffic-lights in place to complete works at the roadside under a lane closure.
  • Workforce in and near the road.

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]