TRB’s National Cooperative Highway Research Program (NCHRP) Report 780: Design Guidance For Intersection Auxiliary Lanes expands on guidance provided in A Policy on Geometric Design of Highways and Streets (the Green Book), published by the American Association of State Highway and Transportation Officials (AASHTO). This report highlights information regarding bypass lanes, channelized right-turn lanes, deceleration and taper length, design and capacity of multiple left-turn lanes, and alternative intersection designs.
Table of Contents
|Chapter 1 - Background||5-6|
|Chapter 2 - Review of Literature and State Design Guidance||7-31|
|Chapter 3 - State of the Practice||32-43|
|Chapter 4 - Typical Designs||44-57|
|Chapter 5 - Double Left-Turn Lane Field Study||58-76|
|Chapter 6 - Deceleration Field Study||77-100|
|Chapter 7 - Conclusions, Recommendations, and Suggested Research||101-111|
|Appendix A - Recommended Revisions to AASHTO Green Book||112-144|
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