Scope

The functions and responsibilities of NOI TSI/NTSN MG are to work with RSSB to make recommendations to RST SC with regards to:

  • proposals to change NTSNs and TSIs, including the implications of NTSN and TSI changes on national technical rules.
  • comments on NTSNs and TSIs to be channelled the GB sector representative to influence TSI development and RSSB as the organisation managing NTSN changes.
  • whether to align or diverge NTSN requirements from TSI requirements, aligning with relevant strategies approved by RST SC, wider sector strategies and government policy.
  • the need to develop GB specific cases in the NTSN and associated national technical rules, and make recommendations to RST SC.
  • NTSN changes drafted by RSSB and associated analysis developed by RSSB.
  • interim or permanent solutions to address relevant NTSN challenges and issues and how to codify them in the NTSN issues log.

Where necessary and required, NOI TSI/NTSN MG consults with other TSI/NTSN mirror groups, predominantly LOC/PAS TSI/NTSN MG and WAG TSI/NTSN MG, and other industry groups on related interface matters to ensure consistency between subsystems.

Membership

The composition of the NOI TSI/NTSN MG may consist of representation from:

  • passenger train operators
  • non-passenger train operators
  • infrastructure managers and owners
  • rolling stock owners and leasing companies
  • infrastructure contractors
  • suppliers and rolling stock manufacturers
  • Department for Transport (as observers)
  • Office of Rail and Road (as observers).

Chair: Robert Shemilt, RSSB