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A simulation study of truck passenger car equivalents (PCE) on basic freeway sections

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  • Webster, Nathan
  • Elefteriadou, Lily

Abstract

Trucks have an effect on the quality of traffic flow on freeways. The passenger car equivalency of a truck represents the number of passenger cars that would have an equivalent effect on the quality of the traffic flow. This research estimated truck passenger car equivalents using simulation, based on traffic density. It investigates the effect of several characteristics related to freeway design, vehicle performance, and the traffic stream on truck passenger car equivalents. Traffic density is a good indicator of the driver's freedom to maneuver and proximity to other vehicles, and is consistent with the measure of effectiveness for freeways used in the Highway Capacity Manual (HCM)[TRB (Transportation Research Board), 1994. Special Report 209: Highway Capacity Manual, Third ed. Transportation Research Board, Washington, DC]. The Freeway Simulation (FRESIM) model, developed by the Federal Highway Administration, was used in this research. FRESIM is a microscopic, stochastic computer simulation model, capable of simulating the operations of traffic on freeways. Based on the output of numerous simulation runs, flow-density curves were developed, and passenger car equivalents were estimated for a wide range of design and traffic conditions, and a range of vehicle performance characteristics. These passenger car equivalents were compared to values provided in the 1994 HCM.

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  • Webster, Nathan & Elefteriadou, Lily, 1999. "A simulation study of truck passenger car equivalents (PCE) on basic freeway sections," Transportation Research Part B: Methodological, Elsevier, vol. 33(5), pages 323-336, June.
    • Handle: RePEc:eee:transb:v:33:y:1999:i:5:p:323-336
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    Cited by:

    1. Yeung, Jian Sheng & Wong, Yiik Diew & Secadiningrat, Julius Raditya, 2015. "Lane-harmonised passenger car equivalents for heterogeneous expressway traffic," Transportation Research Part A: Policy and Practice, Elsevier, vol. 78(C), pages 361-370.
    2. Wei Xu & Dillip Kumar Das & Željko Stević & Marko Subotić & Adel F. Alrasheedi & Shiru Sun, 2023. "Trapezoidal Interval Type-2 Fuzzy PIPRECIA-MARCOS Model for Management Efficiency of Traffic Flow on Observed Road Sections," Mathematics, MDPI, vol. 11(12), pages 1-22, June.
    3. Arkatkar, Arasan, 2012. "Micro-simulation study of vehicular interactions on upgrades of intercity roads under heterogeneous traffic conditions in India," European Transport \ Trasporti Europei, ISTIEE, Institute for the Study of Transport within the European Economic Integration, issue 52, pages 1-1.
    4. Jin, Sheng & Qu, Xiaobo & Zhou, Dan & Xu, Cheng & Ma, Dongfang & Wang, Dianhai, 2015. "Estimating cycleway capacity and bicycle equivalent unit for electric bicycles," Transportation Research Part A: Policy and Practice, Elsevier, vol. 77(C), pages 225-248.
    5. Al-Kaisy, Ahmed F. & Hall, Fred L. & Reisman, Emily S., 2002. "Developing passenger car equivalents for heavy vehicles on freeways during queue discharge flow," Transportation Research Part A: Policy and Practice, Elsevier, vol. 36(8), pages 725-742, October.
    6. Arasan, V. Thamizh & Arkatkar, Shriniwas S., 2011. "Microsimulation study of vehicular interactions in heterogeneous traffic flow on intercity roads," European Transport \ Trasporti Europei, ISTIEE, Institute for the Study of Transport within the European Economic Integration, issue 48, pages 60-86.
    7. Basu, Debasis & Maitra, Swati Roy & Maitra, Bhargab, 2006. "Modelling passenger car equivalency at an urban midblock using stream speed as measure of equivalence," European Transport \ Trasporti Europei, ISTIEE, Institute for the Study of Transport within the European Economic Integration, issue 34, pages 75-87.

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