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Selecting Ramp Design Speeds, Volume 1: Guide (2021)

Chapter: Section 7. References

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Page 126
Suggested Citation:"Section 7. References." National Academies of Sciences, Engineering, and Medicine. 2021. Selecting Ramp Design Speeds, Volume 1: Guide. Washington, DC: The National Academies Press. doi: 10.17226/26415.
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Page 126

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126 Section 7. References American Association of State Highway and Transportation Officials (AASHTO), A Policy on Geometric Design of Highways and Streets. Washington, DC, 2011. American Association of State Highway and Transportation Officials (AASHTO), A Policy on Geometric Design of Highways and Streets. Washington, DC, 2018. American Association of State Highway and Transportation Officials (AASHTO), Highway Safety Manual. Washington, DC, 2010. American Association of State Highway and Transportation Officials (AASHTO), Highway Safety Manual (Supplement). Washington, DC, 2014. Barnett, J., E. R. Haile, and R. A. Moyer. Safe Side Friction Factors and Superelevation Design. In Highway Research Board Proceedings (R.W. Crum, ed.), Vol. 16, 1937. Harwood, D.W. and J.M. Mason, Jr. Ramp/Mainline Speed Relationships and Design Considerations. Transportation Research Record 1385, Transportation Research Board, National Research Council, Washington, D.C., 1993, pp. 121–125. Hunter, M., and R.B. Machemehl. Re-evaluation of Ramp Design Speed Criteria: Review of Practice and Data Collection Plan. Report FHWA/TX-98/1732-1. Texas Department of Transportation, 1997. Leisch, J.P. Freeway and Interchange Geometric Design Handbook. Institute of Transportation Engineers, Washington, D.C., 2005. Torbic, D.J., M.A. Brewer, M.P. Pratt, and E.S. Park. Development of Guidelines for Selecting Ramp Design Speeds. Draft Final Report for NCHRP Project 15-56. MRIGobal, Kansas City, MO, 2021. Torbic, D. J., J. M. Hutton, C. D. Bokenkroger, D. W. Harwood, D. K. Gilmore, M. M. Knoshaug, J. J. Ronchetto, M. A. Brewer, K. Fitzpatrick, S. T. Chrysler, and J. Stanley, NCHRP Report 730: Design Guidance for Freeway Mainline Ramp Terminals, Transportation Research Board, 2012. Torbic, D.J., L.M. Lucas, D.W. Harwood, M.A. Brewer, E.S. Park, R. Avelar, M.P. Pratt, A. Abu-Odeh, E. Depwe, and K. Rau. NCHRP Web-Only Document 227: Design of Interchange Loop Ramps and Pavement/Shoulder Cross-Slope Breaks, Transportation Research Board, 2017. Transportation Research Board. Highway Capacity Manual, Washington, D.C., 2010.

Next: Section 8. Abbreviations, Acronyms, Initialisms, and Symbols »
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Selection of a design speed should be based upon the anticipated operating speed, topography, adjacent land use, modal mix, and functional classification of the roadway.

The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 313: Selecting Ramp Design Speeds, Volume 1: Guide provides further detail for selecting an appropriate ramp design speed than presented in the 2018 Green Book, to address several overarching challenges that may lead to confusion or inconsistent interpretation of existing AASHTO guidance for selecting an appropriate ramp design speed.

Supplemental to the document are NCHRP Web-Only Document 313: Selecting Ramp Design Speeds,Volume 2: Conduct of Research Report and Ramp Speed Profile Model worksheets.

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