TRB’s National Cooperative Highway Research Program (NCHRP) Report 730: Design Guidance for Freeway Mainline Ramp Terminals presents design guidance for freeway mainline ramp terminals based on current driver and vehicle behavior.
Appendixes A to D to NCHRP Report 730 were not published as part of the print or PDF version of the report. They are only available electronically through the following links:
• Appendix A: Aerial View of Study Locations
• Appendix B: Histograms of Observed Acceleration Rates
• Appendix C: Verbal Instructions for Behavioral Study
• Appendix D: Potential Changes Proposed for Consideration in the Next Edition of the Green Book
(Note: Appendix D contains tracked changes that have been intentionally left intact—i.e., not accepted.)
Table of Contents
|Section 1 - Introduction||6-7|
|Section 2 - Literature Review||8-15|
|Section 3 - AASHTO Models for Freeway Entrance and Exit Terminals||16-20|
|Section 4 - Analysis of Truck-Related Crashes Near Freeway Mainline Ramp Terminals||21-32|
|Section 5 - Observational Study of Freeway Mainline Ramp Terminals||33-102|
|Section 6 - Behavioral Study of Freeway Mainline Ramp Terminals||103-114|
|Section 7 - Conclusions and Proposals||115-118|
|Section 8 - References||119-121|
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