National Operating Procedure (NOP) 3.25: Additional Track Access (VSTP)
Document status: [ Active ]
National Operating Procedure (NOP) 3.26: Management of Freight Services During Disruption
Document status: [ Active ]
National Operating Procedure (NOP) 3.27: Briefing of Immediately Transferable Lessons From Serious Operational Incidents
Document status: [ Revised ]
National Operating Procedure (NOP) 3.27: Briefing of Immediately Transferable Lessons from Serious Operational Incidents
Document status: [ Active ]
National Operating Procedure (NOP) 3.28: Monitoring of Radio Electronic Token Block (RETB)
Document status: [ Active ]
National Operating Procedure (NOP) 3.29: Ground Frame Local Instructions
Document status: [ Active ]
National Operating Procedure (NOP) 3.30: Detailed Assessment for Determining Suitability of Single Lines for Modified Working and Authorising the Use of Modified Working
Document status: [ Active ]
National Operating Procedure (NOP) 3.31: Permissive Platform Working
Document status: [ Revised ]
National Operating Procedure (NOP) 3.31: Permissive Working - This standard should only be used for reference to ensure 'The Control of Risk' until the compliance date of its replacement standard is reached, upon which this standard will be withdrawn. The development of all new processes and procedures should be to the replacement standard
Document status: [ Not for New Design ]
National Operating Procedure (NOP) 3.31: Permissive Working
Document status: [ Active ]
