Southern Line Blockage Tool

Amounts and figures

Description

Line blockage irregularities pose significant risks to the safety of track workers and the safe passage of trains. An analysis of line block irregularities in the Southern region has identified root causes in the quality of planning, plan validation, and plan execution. The Southern region seeks a line blockage tool that enables signallers to rely on the capability and integrity of the signalling system to identify omissions in either the planning or execution of line blockages. This tool must demonstrably reduce the risk of line blockage irregularities through improved or simplified processes enabled by technology. It should validate planned protection limits relative to a given worksite to calculate the 'minimum protection requirements' and suppress route-setting commands that could compromise worksite safety. The tool must be compatible with existing Network Rail line blockage systems and offer a user-friendly interface for operational deployment. It should also be modular, allowing for future functionality enhancements. The desired outcome of deploying this system is a reduction in irregularities and an increased likelihood of delivering planned work efficiently and safely. To …

Official publications

• NW&C Manual geotechnical Monitoring Framework
  Published: 26 October 2026
• Stakeholder Engagement Services
  Published: 13 October 2026
• “Pop-Up” Management Agent Service
  Published: 6 October 2026
• Pre-Market Engagement: Commercial Filming Services
  Published: 21 September 2026
• Safety Event System – Assurance module
  Published: 20 August 2026
• Pre-Market Engagement: Automated Teller Machines (ATM) and Currency Services
  Published: 17 August 2026
• CP7 Southern Region Signalling Maintenance Framework
  Published: 30 June 2026
• Southern Region Strategic Crime Intelligence, Security and Welfare Service
  Published: 27 May 2026
• Maintenance and renewal of current lifts, escalators and moving walkways
  Published: 3 March 2026
• Midlands Rail Hub Alliance – Alliance Partners (Non-Signalling Disciplines)
  Published: 19 December 2025

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• Framework for Multi-Storey Car Parks - D&B — 6 September 2024
• Network Rail Eastern Routes Partnership Framework — 6 September 2024

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