About the Group

The International Mainline Rail Benchmarking Group (IMRBG) was established in 2016 to provide a confidential forum for small and medium sized state and national mainline passenger train operators to learn from each other internationally international by comparing performance, sharing experiences, and identifying best practices. The group is owned and run by the members themselves and managed by the Transport Strategy Centre (TSC) at Imperial College London.

The Group’s Objectives

Share knowledge and identify best practices in a confidential environment

Support members in achieving their operational, environmental and strategic goals

Measure performance and establish best practices through a system of measures

Prioritise areas for improvement and support decision-making

Ownership and Management

The groups are jointly owned and steered by the members, with project management, administration, and research carried out by the Transport Strategy Centre (TSC), at Imperial College London.

Other Benchmarking Groups

IMRBG is one of a family of benchmarking groups facilitated by the Transport Strategy Centre. These include both international and North American benchmarking groups for the metro, bus, rail, and airport sectors. All combined, they represent more than 100 transport organisations. The current groups are the:

  • Community of Metros (COMET)
  • International Suburban Rail Benchmarking Group (ISBeRG)
  • International Bus Benchmarking Group (IBBG)
  • American Bus Benchmarking Group (ABBG)
  • Group of North American Light Rail (GOAL)
  • Railway Infrastructure Asset Management Benchmarking Group (RIAMBiG)
  • Airport Benchmarking Group (ABG)
  • International Light Rail and Tram Benchmarking Group (BOLTS)
COMET Website
ISBeRG Website
IBBG Website
ABBG Website
GOAL Website
RIAMBiG website