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Exploring Cyclist Flow Patterns at Signalized Crossing: Perspective of Cyclist-pedestrian Conflict Analysis
Cyclist-pedestrian Conflict,Dedicated Bike Lane,Pedestrian Behavior,Cyclist Behavior,Signalized Crossing,Poisson Regression Model,
|Publication Year :||2019|
The growing popularity of cycling induces the argument over the right of way for cyclists. Many cities have deployed dedicated bike lanes to separate cyclists from other traffic flows in light of sustainable transportation development and safety concerns. However, the effectiveness of dedicated bike lanes is questioned in terms of their utilization rates. This research seeks to explore the behavioral patterns related to cyclist-pedestrian conflicts against the presence of dedicated bike lanes, so as to provide both empirical and quantitative insights for the current design guidelines. Upon the consideration of data collection, this research chooses to focus on the cyclist-pedestrian conflicts occurring at signalized crossings, where higher frequencies of conflicts can be expected. Video streams were filmed over the signalized crossings around a university campus in Taipei, Taiwan. Movements of individual cyclist and pedestrian were abstracted to identify the aggregate behavioral pattern of crossing streets with the presence of dedicated bike lanes. Eight conflict types have been classified, and 283 conflict events were observed. Among all the conflicts, cyclist-pedestrian head-on conflict in opposite directions and cyclist-pedestrian sideswipe conflict in opposite directions are the most. The Poisson regression model was employed, it showed that conflicts tend to appear in the first 20s of the green interval, and they increase as the pedestrian flow increase. This research suggest that widening the crossings, using pedestrian scramble, marking separated waiting areas, and rearranging the position of the two-stage left-turn area will help reduce the conflict between cyclists and pedestrians and improve the efficiency of crossing.
|Appears in Collections:||土木工程學系|
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