HS2 Completes 150-Meter Viaduct Deck Birmingham Cross City Line

BIRMINGHAM, UK – HS2 civil engineers will execute a complete three-day shutdown of the Cross City line’s northern section between Birmingham New Street and Lichfield Trent Valley from May 29 to May 31 to install a new 150-meter-long viaduct deck. The temporary blockade will enable the safe sliding of the bridge structure over the existing Victorian railway lines near the future Curzon Street station. Normal rail services on the affected route are scheduled to resume on June 1.

What Is the Full Scope of This Project?

The 150-meter-long Curzon Street viaduct deck is designed to carry future high-speed trains over the historic Victorian railway corridor linking Duddeston and Birmingham New Street. To execute this complex installation, engineers are deploying a specialized “fully restrained” sliding methodology. This technique allows project teams to safely slide the remaining segments of the concrete and steel structure into final position even after the live railway below reopens, reducing the requirement for subsequent passenger service disruptions. While the southern portion of the Cross City line to Redditch and Bromsgrove remains unaffected, services to Rugeley Trent Valley will be diverted, and rail replacement buses will operate between Birmingham New Street and Tame Bridge Parkway.

Key Project Data

How Does This Compare to Similar Projects?

This major bridge slide aligns with HS2’s broader deployment of rapid-assembly civil engineering techniques, such as the 12,600-tonne bridge slide at Marston Box in Warwickshire, which was completed during an 84-hour blockade. However, the delivery of these major civil assets occurs against a highly critical review of UK infrastructure procurement. The Competition and Markets Authority (CMA) published a market study finding that the UK’s fragmented and short-term approach to road and rail civil engineering procurement inflates costs, estimating that transition to long-term sector plans and standardized designs could save up to £5 billion annually (Source: Competition and Markets Authority, 2026). Furthermore, escalating public sector borrowing, which reached £24.3 billion in April, continues to intensify Treasury scrutiny of major capital rail investments across the national network (Source: Office for National Statistics, 2026).

Editor’s Analysis

The utilization of “fully restrained” sliding methods reflects a critical industry shift toward minimizing track access blockades, which are increasingly difficult to secure on congested urban networks. By completing the primary deck installation over a single weekend, HS2 avoids the prolonged line closures that historically damaged operator revenues and passenger trust. However, executing such complex maneuvers under tight fiscal constraints highlights the tension between ambitious engineering goals and the UK’s volatile public borrowing climate (Source: HM Treasury, 2026).

FAQ

Q: Which rail services are suspended during the Curzon Street viaduct installation?
A: Passenger services between Birmingham New Street and Lichfield Trent Valley are completely suspended from May 29 to May 31. Trains between Birmingham New Street and Tame Bridge Parkway are also affected, with rail replacement buses operating on these routes.

Q: What is the engineering method used to install the HS2 Curzon Street viaduct?
A: Engineers are using a “fully restrained” sliding method to position the 150-meter-long viaduct deck. This technique allows the remaining sections of the structure to be slid into place over live tracks after the railway reopens to traffic.

Q: What is the total cost of the Curzon Street viaduct project?
A: The specific financial value of this individual viaduct installation has not been officially disclosed by HS2 Ltd or Network Rail.