978798928 T1399 Interventions for improving platform/train stepping arrangements

The aim of T1399 is to establish the evidence base and practical framework required to plan interventions that improve boarding accessibility at the PTI.

To achieve this, the project will:

• Identify and review interventions: Produce a comprehensive review of national and international interventions to improve boarding (infrastructure-borne, train-borne, hybrid, direct, and indirect). For each intervention the following will need to be considered: feasibility and suitability, technical and operational constraints, expected impact on boarding, and indicative costs. The review will recognise and capture in meaningful ways that these may vary by location and fleet characteristics.
• Develop a framework to organise and evaluate interventions: To support decisions, interventions will be categorised and assessed within the context of real-world ‘improvement windows’ associated with planned capital investment (such as fleet overhauls, new train procurements, station upgrades, platform rebuilds/extensions, and track renewals). This framework will support decision-makers in identifying interventions available to them and comparing their impact. To be helpful, such a framework needs to reflect differing local infrastructure conditions and rolling stock configurations.
• Develop and assess possible plans of action toward independent boarding: For agreed scenarios representing different levels of investment and timescales, the research will assess how different types of interventions could be combined and sequenced to deliver the greatest accessibility improvements. The analysis will remain at a strategic level, using representative examples and benchmark cost data rather than site-specific designs or surveys, and will balance accessibility goals with financial and practical constraints.

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