Paper Information

Journal:   JOURNAL OF TRANSPORTATION ENGINEERING   SPRING 2017 , Volume 8 , Number 3 #L0050; Page(s) 473 To 483.
 
Paper: 

THE EFFECT OF MULTI-DIRECTIONALITY ON PEDESTRIAN FLOW BEHAVIOR

 
 
Author(s):  ELAHI ZAHRA, AKABRZADEH MEYSAM*
 
* 
 
Abstract: 

In this paper, the effect of making flow bidirectional in the main flow characteristics and pedestrian behavior are investigated. The investigation is based on both experimental and empirical data that were extracted from videos taken from Isfahan sidewalks. Results show that, in same density, the pedestrian mean speed in bidirectional flow is more than unidirectional flow. Mean speed difference in two type of flow becomes more considerable when densities are more than 0.6. The mean speed in majority and minority pedestrian group in bidirectional flow with unequal directional ratio is compared. The results show that density of the people walking in the same direction have more effective roll rather than counter flow density in each pedestrian speed. In high densities, the pedestrian try to walk in the trajectory that pedestrian walk ahead of him to reduce conflict. It leads to lane formation. In this paper, these lanes are studied in different densities and ratios. It is observed that number of the lanes increased in bidirectional flows. Using empirical data, fundamental diagrams are drawn for uni- and bidirectional flows. Analyzing pedestrian speed in all sidewalks shows that speed entropy in unidirectional flow is more in comparison to bidirectional ones.

 
Keyword(s): FUNDAMENTAL DIAGRAM, PEDESTRIAN FLOW, MULTI-DIRECTIONALITY FLOW, ENTROPY
 
References: 
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