Recent analysis by Rail Engineer highlights how High Speed 2 (HS2) underwent a major reset under CEO Mark Wilde to address cost escalations (£87.7B–£102.7B at 2025 prices) and extended schedules pushing full West Coast Main Line integration into the 2040s. The project reviews revealed that two-thirds of cost growth stemmed from underestimation and inefficiency, exacerbated by weak client capability, optimism bias, and shifting scope requirements. The reset now stabilizes delivery through tighter governance, reduced top line speeds (320 km/h), and the removal of Automatic Train Operation (ATO).
This high-profile reset reinforces why complex linear infrastructure demands specialized project controls and advanced scheduling capabilities.
Preventing Mega-Project Failure with Primavera P6 and TILOS
To prevent the schedule slippages and cost overruns typical of large-scale railway civil works, project controllers require deep operational expertise in Oracle Primavera P6 and TILOS to equip planners to tackle structural risks head-on through advanced methodologies:
- Spatial and Temporal Clash Detection: Linear projects like rail corridors, highways, and pipelines often fail when multiple teams attempt to occupy the same geographic space at the same time. TILOS maps activities across time and distance on a single visual chart, automatically identifying spatial-temporal clashes—such as heavy earthworks conflicting with overhead line electrification crews—months before crews mobilize.
- Critical Path Method (CPM) & Baseline Integrity: Primavera P6 provides the enterprise framework required to model thousands of interconnected tasks, control scope changes, monitor baseline variance against strict annual spending caps, and run proactive risk simulations.
- Integrated Time-Distance Workflows: Connecting P6’s robust data engine with TILOS’s time-location charts enables planners to maintain enterprise-wide governance while providing site teams with precise geographic scheduling.
Mastering these tools shifts teams away from reactive troubleshooting toward data-driven control, ensuring major capital programs stay aligned with cost and schedule targets.
For the complete analysis on the HS2 reset, governance reviews, and the revised operational timeline, read the original article by David Shirres on Rail Engineer.
HS2 reset – Rail Engineer