Prioritization Procedure for Proposed Road–Rail Grade Separation Projects Along Specific Rail Corridors (2019)

TRB’s National Cooperative Highway Research Program (NCHRP) Research Report 901: Prioritization Procedure for Proposed Road–Rail Grade Separation Projects Along Specific Rail Corridors is designed to assist state and local planners in making prioritization and investment decisions for road–rail at-grade crossing separations.

The report provides a comprehensive means of comparing similar project alternatives within a specific rail corridor. Planning factors include economic, environmental, and community livability factors to support a robust decision process for making grade separation decisions.

NCHRP Report 901 also includes railroad crossing assessment tool (RCAT), a multicriteria evaluation tool that considers safety, economic, environmental, and community livability factors in a set of linked Microsoft Excel spreadsheets.

The report also includes a communications toolkit to help inform and convey to stakeholders and decision makers the relative objective merits of individual road–rail separation projects within corridors.

The assessment tool, communications toolkit, and user guide are published in electric only format as Appendix C - The RCAT User Guide, and Appendix D - The RCAT Toolkit and Templates.

During the past decade, railroad traffic has fluctuated in a number of key markets; coal traffic has declined, while other markets such as petroleum and intermodal have grown. Changing markets can impact the amount of rail traffic on rail mainlines, presenting challenges to state and local planners faced with making investment decisions about at-grade rail crossing improvements. This situation is particularly acute along urban rail corridors experiencing significant increases in train traffic or where the operating speed or train length has increased.

The traditional approach for making grade-crossing investment decisions has been guided primarily by the U.S. Department of Transportation, Federal Highway Administration Railroad–Highway Grade Crossing Handbook, which focuses heavily on traffic and safety factors. While safety continues to be a high priority in the development of road–rail grade separation projects, state and local decision makers need more robust criteria when competing against other projects for funding and construction.

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