RIS-2711-RST Iss 2
Lettered Differential Permissible Speeds Classification
Synopsis
This document sets out requirements and guidance for the classification of rail vehicles to the lettered differential permissible speed categories.
Summary Of Changes
Document revised to incorporate requirements for rolling stock to be classified as MU or HST and permissible to make use of lettered differential speeds identified by 'MU' and by 'HST'.
Optional reading and resources:
Criteria for assigning differential speed categories (T1163)
Standards Quarterly Webinar - June 2022
Read full standard

Registered
Live
Rail Industry Standard
- Issued:
- 04/06/2022
- Published:
- 04/06/2022
- Last Review:
- 08/06/2023
- Next Review:
- 04/06/2025
Details
Consultation Status | Closed |
Vehicle Assessment | Yes |
Supersedes | RIS-2711-RST Iss 1 |
Lead Committee | Rolling Stock - RST |
Supporting Committee | Infrastructure - INS; Energy - ENE; Control Command and Signalling - CCS; Traffic Operation and Management - TOM |
Briefing Notes | 22 BN09 |
Impact Assessments
![]() Registered |
22 IA07 |