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Exploring the Effect of Turning Maneuvers and Route Choice ona Simple Network

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  • Gayah, Vikash V.
  • Daganzo, Carlos F.

Abstract

A simple symmetric network consisting of two tangent rings on which vehicles obey the Kinematic Wave Theory of traffic flow and can switch rings at the point of tangency is studied. An online adaptive simulation reveals that if there is any turning whatsoever the two-ring system becomes unevenly loaded for densities greater than the optimal density. This reduces flow. Furthermore, the two-ring system jams at significantly lower densities than the maximum density possible.

Suggested Citation

  • Gayah, Vikash V. & Daganzo, Carlos F., 2010. "Exploring the Effect of Turning Maneuvers and Route Choice ona Simple Network," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt6kg0d8ds, Institute of Transportation Studies, UC Berkeley.
    • Handle: RePEc:cdl:itsrrp:qt6kg0d8ds
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    References listed on IDEAS

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    1. Daganzo, Carlos F. & Gayah, Vikash V. & Gonzales, Eric J., 2010. "Macroscopic Relations of Urban Traffic Variables: An Analysis of Instability," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt7qd590bv, Institute of Transportation Studies, UC Berkeley.
    2. Paul I. Richards, 1956. "Shock Waves on the Highway," Operations Research, INFORMS, vol. 4(1), pages 42-51, February.
    3. Geroliminis, Nikolas & Daganzo, Carlos F., 2008. "Existence of urban-scale macroscopic fundamental diagrams: Some experimental findings," Transportation Research Part B: Methodological, Elsevier, vol. 42(9), pages 759-770, November.
    4. Daganzo, Carlos F., 2005. "Improving City Mobility through Gridlock Control: an Approach and Some Ideas," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt7w6232wq, Institute of Transportation Studies, UC Berkeley.
    5. Daganzo, Carlos F. & Geroliminis, Nikolas, 2008. "An analytical approximation for the macroscopic fundamental diagram of urban traffic," Transportation Research Part B: Methodological, Elsevier, vol. 42(9), pages 771-781, November.
    6. Gonzales, Eric J. & Chavis, Celeste & Li, Yuwei & Daganzo, Carlos F., 2009. "Multimodal Transport Modeling for Nairobi, Kenya: Insights and Recommendations with an Evidence-Based Model," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt6dv195p7, Institute of Transportation Studies, UC Berkeley.
    7. Daganzo, Carlos F & Geroliminis, Nikolas, 2008. "An analytical approximation for the macropscopic fundamental diagram of urban traffic," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt4cb8h3jm, Institute of Transportation Studies, UC Berkeley.
    8. Amin Mazloumian & Nikolas Geroliminis & Dirk Helbing, "undated". "The Spatial Variability of Vehicle Densities as Determinant of Urban Network Capacity," Working Papers CCSS-09-009, ETH Zurich, Chair of Systems Design.
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    Cited by:

    1. Daganzo, Carlos F., 2011. "On the macroscopic stability of freeway traffic," Transportation Research Part B: Methodological, Elsevier, vol. 45(5), pages 782-788, June.
    2. Daganzo, Carlos F. & Gayah, Vikash V. & Gonzales, Eric J., 2010. "Macroscopic Relations of Urban Traffic Variables: An Analysis of Instability," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt7qd590bv, Institute of Transportation Studies, UC Berkeley.
    3. Daganzo, Carlos F. & Gayah, Vikash V. & Gonzales, Eric J., 2011. "Macroscopic relations of urban traffic variables: Bifurcations, multivaluedness and instability," Transportation Research Part B: Methodological, Elsevier, vol. 45(1), pages 278-288, January.
    4. Daganzo, Carlos F., 2010. "On the Stability of Freeway Traffic," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt4vf597r5, Institute of Transportation Studies, UC Berkeley.
    5. Gayah, Vikash V. & Daganzo, Carlos F., 2010. "Clockwise Hysteresis Loops in the MacroscopicFundamental Diagram," Institute of Transportation Studies, Research Reports, Working Papers, Proceedings qt2x98k1x2, Institute of Transportation Studies, UC Berkeley.
    6. Gayah, Vikash V. & Daganzo, Carlos F., 2011. "Clockwise hysteresis loops in the Macroscopic Fundamental Diagram: An effect of network instability," Transportation Research Part B: Methodological, Elsevier, vol. 45(4), pages 643-655, May.

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