A new strategy for differential bus priority at traffic signals for high frequency services

Hounsell, N.B. and Shrestha, B.P. (2009) A new strategy for differential bus priority at traffic signals for high frequency services. In, 16th World Congress and Exhibition on Intelligent Transport Systems and Services, Stockholmsmassan, Sweden, 21 - 25 Sep 2009.


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The need for sustainable transport operations in cities is focusing more attention on the needs of buses to provide fast, frequent and reliable services. One favoured measure is bus priority at traffic signals, particularly where roadspace is limited. With increasing use of Automatic
Vehicle Location (AVL) systems, it is now possible to provide ‘differential’ priority, where different levels of priority can be awarded to buses at traffic signals according to chosen criteria. At present, common strategies are based on the comparison of the time headway of a
bus with the scheduled headway. However, this paper shows that greater regularity benefits could be achieved through a strategy where priority for a bus is based not only on its own headway, but also the headway of the bus behind. This paper discusses this new strategy,demonstrates its benefits on a theoretical basis and provides initial simulation results.

Item Type: Conference or Workshop Item (Paper)
Related URLs:
Keywords: Bus Priority, Differential Priority, Headway Regularity, Bus Operations, Automatic Vehicle Location (AVL) system
Subjects: H Social Sciences > HE Transportation and Communications
Divisions : University Structure - Pre August 2011 > School of Civil Engineering and the Environment
ePrint ID: 73962
Accepted Date and Publication Date:
21 September 2009Published
Date Deposited: 18 Mar 2010
Last Modified: 31 Mar 2016 13:07
URI: http://eprints.soton.ac.uk/id/eprint/73962

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