European Traffic Management System (ERTMS) Early Works - Stage 2 (Develop) Support Services

Preliminary Market Engagement Notice London St. Pancras Highspeed's current TVM430 signalling system is reaching obsolescence, creating increasing operational, safety and resilience risks. Without intervention, system reliability and lifecycle issues are expected to significantly impact network performance from the 2030s. Stage 1 of the upgrade programme—delivered with SYSTRA—produced an Operational Context Document, a Technical Strategy with long‑ and short‑list options, and a Strategic Outline Business Case (SOBC...