Interactions between vehicles are extensive at intersections and significantly influence traffic efficiency and safety. Identifying where vehicle interaction occurs at intersections can provide insights for improving designs of and operations on intersections. Conflict indicators like Time-to-Collision (TTC) and Post-Encroachment-Time (PET) have been used to identify vehicle interaction. However, their sole focus on conflicts and potential collisions overlooks cooperative interaction such as waiting for others to pass first. This paper proposes using Proximity Resistance (PR) to identify vehicle interaction at urban intersections. PR measures two-dimensional spacing between vehicles, thus can identify interacting vehicles when their spacing is smaller than typically considered desirable by the drivers. With empirical analysis at an unsignalised urban intersection, this paper demonstrates the effectiveness of PR in identifying cooperative vehicle interaction beyond conflicts. Thereby, this study contributes to a more comprehensive understanding of vehicle interaction at urban intersections.
Identifying Vehicle Interaction at Urban Intersections: A Comparison of Proximity Resistance, Time-to-Collision, and Post-Encroachment-Time
2023-09-24
718609 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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