Prior to 2013, the use of bicycle-specific signals in the U.S. was limited to a few jurisdictions. However, in recent years, the number of installations has grown rapidly. This research identified more than 500 intersections using bicycle signals in a variety of contexts.
Despite the recent approval and practice, the TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 273: Road User Understanding of Bicycle Signal Faces on Traffic Signals explores the questions that remain regarding road-user understanding of bicycle signals.
The objective of this research was to summarize and synthesize the U.S. experience with bicycle signal installations to identify any remaining gaps in understanding road-user comprehension and compliance with bicycle signals that could be effectively addressed through further research.
Table of Contents
|2. Background and Literature Review||7-25|
|3. State of the Practice and Inventory||26-48|
|4. Key Agency Interviews||49-67|
|5. Identified Research Gaps||68-70|
|Appendix A List of Intersections||81-105|
|Appendix B Data Collection Protocol||106-125|
|Appendix C Research Needs Statements||126-138|
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