An Estimator for Traffic Breakdown Probability Based on Classification of Transitional Breakdown Events

Petter Arnesen () and Odd A. Hjelkrem ()
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Petter Arnesen: Department of Transport Research, SINTEF Technology and Society, NO-7465 Trondheim, Norway
Odd A. Hjelkrem: Department of Transport Research, SINTEF Technology and Society, NO-7465 Trondheim, Norway

Transportation Science, 2018, vol. 52, issue 3, 593-602

Abstract: In this paper we propose a new estimator for calculating the probability of traffic breakdown as a function of traffic demand. Traffic breakdown is a well-studied phenomena within previous literature and is of great importance to traffic planners and controllers. The proposed estimator has an appealing intuition and is able to overcome several of the problems associated with previously proposed methodology. The input to the estimator is a set of aggregated (typically five minute) traffic observations classified to either a breakdown or nonbreakdown state, and a customized and fast algorithm for this purpose is proposed. Last, we apply the classification algorithm and breakdown probability estimator to a large data set consisting of several observation sites on the Norwegian road network, and we compare our estimator to a previously defined estimator.

Keywords: congestion; probabilistic capacity; traffic breakdown; traffic flow (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:inm:ortrsc:v:52:y:2018:i:3:p:593-602

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