1. United Nations Sustainable transport, sustainable development, Proceedings of the Interagency Report for Second Global Sustainable Transport Conference.
2. Stjernborg, V., and Mattisson, O. (2016). The Role of Public Transport in Society—A Case Study of General Policy Documents in Sweden. Sustainability, 8.
3. Mead, L. (2021). The Road to Sustainable Transport, The International Institute for Sustainable Development (IISD). Brief #19.
4. Blue, E. (2013). Bikenomics: How Bicycling Can Save the Economy, Microcosm Publishing. [2nd ed.].
5. (2018, June 27). New York MTA Unveils Customer-Focused Subway Performance Dashboard. Metro Magazine. 3 October 2017. Available online: http://www.metro-magazine.com/management-operations/news/725648/new-york-mta-unveils-customer-focused-subway-performance-dashboard.