Summary of Research Findings: Assessing and Comparing Environmental Performance of Major Transit Investments

Document Type


Publication Date


Subject Area

place - north america, planning - environmental impact, policy - environment


Decision making, Environmental impacts, Investments, Metrics (Quantitative assessment), Public transit, Transit projects


This digest presents the results of Transit Cooperative Research Program (TCRP) Project H-41, Assessing and Comparing Environmental Performance of Major Transit Investments. The research was undertaken to offer decision makers optional criteria, metrics, and methods for assessing transit projects with regard to environmental performance. The first phase of research included a literature review, interviews with stakeholders, a review of four recent transit project alternatives analysis documents or environmental impact statements, an enumeration of potential metrics, and development of a more detailed approach to screening and selecting metrics. In the second phase of research the selected metrics were tested on six pilot projects.


Permission to publish the abstract and link to the report has been given by Transportation Research Board, Washington, copyright remains with them