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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 422: Trade-Off Considerations in Highway Geometric Design describes the processes that transportation agencies currently use to evaluate geometric design trade-offs between competing interests.

The report also highlights existing key publications on conventional approaches, context-sensitive solutions/context-sensitive design, and performance-based approaches, as well as gaps in information or analysis processes available to support design decisions.

Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2011. Trade-Off Considerations in Highway Geometric Design. Washington, DC: The National Academies Press.

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Publication Info

163 pages |  8.5 x 11 |  DOI:

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