Analysis of Headway of Heterogeneous Traffic on Indian Urban Roads

Dr. G Umadevi

Analysis of Headway of Heterogeneous Traffic on Indian Urban Roads

Dr. G Umadevi * §

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§ Anna University

Analysis of Headway of Heterogeneous Traffic on Indian Urban Roads

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Abstract

Headway or inter-arrival time of vehicles is an important parameter in traffic flow, especially in urban roads, since this is one of the main parameters to determine the minimum (safe) gap between vehicles and the capacity. The studies done on headway analysis have mostly concentrated on homogeneous traffic where the flow follows lane discipline. This ideal situation does not exist on Indian urban roads, where the traffic is very heterogeneous, and do not follow lane discipline. A study of headway at different but similar locations of urban four lane divided (two lanes for each direction of flow) roads of a metropolitan city in India (Chennai) was made. The peak hour flow at these locations were observed to be high (varying from 3189 to 9987 vehicles). The study of headway, after removing the 5 % of long headways, at these location indicate that Log normal 2, Inverse Gauss and the Exponential distributions are the most appropriate ones for these conditions of flow. An attempt was made to study the individual inter arrival time of each category of vehicles in the traffic stream. Extensive data extraction was done and the analysis of headway of categorized traffic was made. Appropriate distribution for each category is recommended. The study will be a good input for modeling vehicle generation in simulation studies.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. G Umadevi. 2014. "Analysis of Headway of Heterogeneous Traffic on Indian Urban Roads". Global Journal of Research in Engineering - E: Civil & Structural GJRE-E Volume 14 (GJRE Volume 14 Issue E3).

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GJRE Volume 14 Issue E3

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

determine the minimum (safe) gap between vehicles and the capacity especially in urban roads parameter in traffic flow

Classification

GJRE-E Classification FOR Code: 090599

Submission ReceivedDecember 13, 2013
Peer Review Double Blind
Handling Editor
Accepted January 3, 2014
Published January 15, 2014

Version of record

v1.2

Issue date

August 22, 2014

Language

English

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Article Matrices

Total Score: 113

Country: India

Subject: Global Journal of Research in Engineering

Authors: Mr. V Suresh, Dr. R Sivanandan., Dr. G Umadevi (PhD/Dr. count: 2)

View Count (all-time): 373

Total Views (Real + Logic): 1845

Total Downloads (simulated): 128

Publish Date: 2014 01, Wed

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Total Views: 1.8K

Total Downloads: 128

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