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Impact of Different Lengths of Urban Road Segments on Speed-Volume Relationship

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Contemporary Challenges of Transport Systems and Traffic Engineering

Part of the book series: Lecture Notes in Networks and Systems ((LNNS,volume 2))

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Abstract

Speed-flow equations have been developed for use in travel demand models to accurately predict the speed of traffic on urban roads. However, in urban environments the corresponding correlations are quite complex since they are influenced by relatively short road segments and signalized intersections resulting in interrupted traffic flow. Hence, networks, traffic and control strategies represent influencing factors with respect to the speed-volume relationship. In this context, the adequate length of a lane is a basic condition for a lane to realize its full capacity. Thus, this paper focuses on the investigation of the impact of different lengths of urban road segments on the speed-volume relationship by means of a simulative approach. The impact of both reductions and extensions of an urban road segment with respect to statistically significant changes in speed values under undersaturated and saturated traffic conditions will be presented.

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Authors and Affiliations

  1. Chair of Traffic Engineering and Control, Technische Universität München, Munich, Germany

    Gundolf Jakob

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  1. Gundolf Jakob
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Correspondence to Gundolf Jakob .

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Editors and Affiliations

  1. Faculty of Transport, Silesian University of Technology Faculty of Transport, Katowice, Poland

    Elżbieta Macioszek

  2. Faculty of Transport, Silesian University of Technology Faculty of Transport, Katowice, Poland

    Grzegorz Sierpiński

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Jakob, G. (2017). Impact of Different Lengths of Urban Road Segments on Speed-Volume Relationship. In: Macioszek, E., Sierpiński, G. (eds) Contemporary Challenges of Transport Systems and Traffic Engineering . Lecture Notes in Networks and Systems, vol 2. Springer, Cham. https://doi.org/10.1007/978-3-319-43985-3_15

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  • DOI: https://doi.org/10.1007/978-3-319-43985-3_15

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-43984-6

  • Online ISBN: 978-3-319-43985-3

  • eBook Packages: EngineeringEngineering (R0)

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