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Title:

Optimal Time Interval of Parameter Measurement for Pedestrian Traffic Flow

Accession Number:

01150470

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

Measurement Time Interval (MTI) is crucial to obtain stable traffic flow parameters, such as volume, density and speed. And then credible relationships among these parameters as well as reasonable capacity are also dependent on appropriate MTI. Nevertheless, MTI has always been neglected in the past researches of pedestrian traffic. Up to now there is still no consistent MTI standard which could be accepted universally. Different MTI results in weak comparability among numerous studies on pedestrian traffic parameters relationships. Some conclusions derived from unsuitable MTI are not reasonable. This paper takes pedestrian traffic in Shanghai Metro stations as observation context. By video recording, pedestrian traffic parameters, including volume and density are extracted manually through recording tapes using initial 5-second MTI for level passageway, ascending stairway, descending stairway and two-way stairway. Taking 5 seconds as basic incremental unit, traffic parameters for 10-second MTI, 15-second MTI and other analogical MTI values can be acquired in sequence. Based on the principles of MTI selecting, appropriate MTI is determined by comparing the influence on stability of hourly flow rate and alterability of pedestrian gathering status when applying different MTI values. It is revealed that 30-second MTI is optimal for all the observed facilities. From analysis on optimal MTI, it can be also inferred that traffic stability of level passageway is higher than that of stairways, and one-way stairway is more stable than two-way stairway.

Monograph Accession #:

01147878

Report/Paper Numbers:

10-3294

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Ye, Jianhong
Chen, Xiaohong

Pagination:

15p

Publication Date:

2010

Conference:

Transportation Research Board 89th Annual Meeting

Location: Washington DC, United States
Date: 2010-1-10 to 2010-1-14
Sponsors: Transportation Research Board

Media Type:

DVD

Features:

Figures (3) ; References (18) ; Tables (7)

Geographic Terms:

Shanghai (China)

Subject Areas:

Operations and Traffic Management; Pedestrians and Bicyclists; I71: Traffic Theory

Source Data:

Transportation Research Board Annual Meeting 2010 Paper #10-3294

Files:

BTRIS, TRIS, TRB

Created Date:

Jan 25 2010 11:38AM