Traffic control in transportation systems

Abstract

Purpose -This paper deals with real-time control of urban traffic with an emphasis on public transportation systems. The main objective is the regulation of traffic after the occurrence of disturbances. In a few words, the problem is to find a feasible schedule for some vehicles of some lines subject to certain constraints in order to design a decision support system (DSS) that detects, analyses and resolves disturbances. Design/methodology/approach -This work is achieved in cooperation with a public transport company called SEMURVAL. It consists of developing a DSS for the future transportation network of Valenciennes (city in the north of France). As a consequence, regulators of traffic have to treat a new lot of information and it becomes necessary to assist them in order to keep up with demands and to come up to passengers' expectations and hopes. Findings -From the case study finds that the solution proposed assures that arrival times of vehicles are more regular. Originality/value -The solution proposed presents a good combination of scheduling decisions permitting the good regulation of traffic.

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“…External factors cover elements such as characteristics of transit vehicles, roadway or traffic flow impedance, random delays and unusual passenger demands; internal factors may include elements such as organization and management, scheduling, breakdowns, delays, etc. (Dridi et al 2005). Going beyond the normal conditions, Liden and Edvardsson (2003) emphasize the design of service guarantees in public transport, especially when a negative industry reputation already exists.…”

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