TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 525: Practices in One-Lane Traffic Control on a Two-Lane Rural Highway identifies innovative practices and devices for establishing one-lane traffic control on rural two-lane highways. Temporary traffic control, also known as maintenance of traffic, is critical to minimizing congestion and maintaining mobility during planned and unplanned activities as well as providing a safe work zone for both road users and workers. Innovative examples of one-lane two-way traffic control operations at roundabouts and applications of temporary portable rumble strips and driveway assistance devices are also discussed in this synthesis, providing additional insights on the state of the practice.
Table of Contents
|Chapter 1 - Introduction||5-7|
|Chapter 2 - Literature Review||8-35|
|Chapter 3 - Survey Questionnaire and Interview Summary: An Overview of the Current State of Practice||36-83|
|Chapter 4 - Case Examples||84-100|
|Chapter 5 - Conclusions and Future Research||101-103|
|Appendix A - Traffic Analysis for 1L2W Operations||104-114|
|Appendix B - Survey Questionnaire||115-127|
|Appendix C - Survey Results on Affecting Factors||128-135|
|Appendix D - Survey Respondents||136-137|
|Acronyms, Abbreviations, and Initialisms||142-143|
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