Skip to main content

Performance Metrics


This section of the report provides consolidated information about our sustainability performance and data management, including definitions for key terms and the basis of calculation for Key Performance Indicators (KPIs). Please refer to CoMET Benchmarking Results 2013 if you are interested to learn how our operations compare with other metros around the world.

Content Index

This report has been prepared in accordance with the Global Reporting Initiative G4 Sustainability Reporting Guidelines (GRI-G4) Core option. The content index includes hyperlinks to GRI-G4 Indicators and Disclosures on Management Approach on this website. It also includes cross-references to KPIs for the Hong Kong Stock Exchange Environmental, Social and Governance Reporting Guide (HKEx ESG Guide) and the International Association of Public Transport (UITP) Sustainability Charter Reporting Guide 1.0.

Please click here to download a copy of the Content Index.

Please also refer to the Scope of this Report for a list of Identified Material Aspects and Boundaries.


Learn more…


The Global Reporting Initiative promotes sustainability reporting as a way for organisations to become more sustainable and contribute to sustainable development.

G4 Online presents the G4 Sustainability Reporting Guidelines (GRI-G4) in a dynamic and easy-to-navigate format.


Learn more…


Hong Kong Exchanges and Clearing Limited (HKEx) has published the Environmental, Social and Governance Reporting Guide. This guide outlines the currently recommended practice for listed companies.

UITP is a non-profit international association that brings together all public transport stakeholder and sustainable transport modes in a worldwide network. The UITP Charter on Sustainable Development is available from the association’s website.