Provision of CVL Transformation Works – Track, Drainage and Level Boarding (TDLB)

2026-11-03

TfW are looking to appoint a contractor to deliver track, drainage and associated level boarding (TDLB) enhancements at a number of Core Valley Lines and Network Rail stations. As part of the TfW Core Valley Line (CVL) Transformation works, there is a requirement to improve the train services by increasing the speed of trains, increasing the frequency and reliability of services and to improve the passenger experience by providing level boarding at stations. To achieve these improvements the network will require new track and drainage infrastructure and improved platforms. A summary of the Works to be constructed as part of the Contract Scope include: Cathays LSI – Track Works Caerphilly Station – Track and Level Boarding (now removed from current scope) Cardiff Central Station – Track Works Danescourt Drainage (now removed from current scope) Coryton Station (now added to current scope) Mountain Ash to Fernhill Track Drainage Various Buffer Stop Enhancements and Replacements TfW intends to award further track, drainage and level boarding works through one of its live track contracts (including this contract) prior to the December 2026 timetable change, further details of which can be found in the ITT documents on etenderwales.

United Kingdom (UK)

2026-04-02