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The merits of separating cars and trucks

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  • de Palma, André
  • Kilani, Moez
  • Lindsey, Robin

Abstract

Truck-only lanes and tollways are under study as tools to combat road congestion, enhance safety and reduce other external costs of road traffic. This paper investigates the potential benefits from separating cars and trucks onto different lanes or routes while treating road infrastructure as given. The benefits are found to depend on several factors: the relative volumes of cars and trucks, the congestion delay and safety hazards that each vehicle type imposes, values of travel time for each type, and lane capacity indivisibilities. The optimal assignment of vehicles to road capacity can be supported using tolls that are differentiated by vehicle type and lane. Lane access restrictions usually cannot support the optimum and may well provide no benefit at all. Creating a toll lane for one vehicle type is generally more effective. The benefits of all forms of intervention are sensitive to whether the proportions of cars and trucks are commensurate with lane capacities.

Suggested Citation

  • de Palma, André & Kilani, Moez & Lindsey, Robin, 2008. "The merits of separating cars and trucks," Journal of Urban Economics, Elsevier, vol. 64(2), pages 340-361, September.
  • Handle: RePEc:eee:juecon:v:64:y:2008:i:2:p:340-361
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    References listed on IDEAS

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    Cited by:

    1. Parry, Ian & Strand, Jon, 2012. "International fuel tax assessment: an application to Chile," Environment and Development Economics, Cambridge University Press, vol. 17(02), pages 127-144, April.
    2. Parry, Ian W.H. & Timilsina, Govinda R., 2010. "How should passenger travel in Mexico City be priced?," Journal of Urban Economics, Elsevier, vol. 68(2), pages 167-182, September.
    3. David, Quentin & Foucart, Renaud, 2014. "Modal choice and optimal congestion," Regional Science and Urban Economics, Elsevier, vol. 48(C), pages 12-20.
    4. Grimm, Michael & Treibich, Carole, 2016. "Why do some motorbike riders wear a helmet and others don’t? Evidence from Delhi, India," Transportation Research Part A: Policy and Practice, Elsevier, vol. 88(C), pages 318-336.
    5. Cherry, Christopher R. & Adelakun, Adebola A., 2012. "Truck driver perceptions and preferences: Congestion and conflict, managed lanes, and tolls," Transport Policy, Elsevier, vol. 24(C), pages 1-9.
    6. Andres Felipe Guzman & Jose Manuel Vassallo & Alejandro Ortega Hortelano, 2016. "A Methodology for Assessing the Regional Economy and Transportation Impact of Introducing Longer and Heavier Vehicles: Application to the Road Network of Spain," Networks and Spatial Economics, Springer, vol. 16(3), pages 957-979, September.
    7. Kutzbach, Mark J., 2009. "Motorization in developing countries: Causes, consequences, and effectiveness of policy options," Journal of Urban Economics, Elsevier, vol. 65(2), pages 154-166, March.
    8. Light, Thomas, 2009. "Optimal highway design and user welfare under value pricing," Journal of Urban Economics, Elsevier, vol. 66(2), pages 116-124, September.
    9. Zanni, Alberto M. & Bristow, Abigail L., 2010. "Emissions of CO2 from road freight transport in London: Trends and policies for long run reductions," Energy Policy, Elsevier, vol. 38(4), pages 1774-1786, April.
    10. Levi Vermote & Cathy Macharis & Koen Putman, 2013. "A Road Network for Freight Transport in Flanders: Multi-Actor Multi-Criteria Assessment of Alternative Ring Ways," Sustainability, MDPI, Open Access Journal, vol. 5(10), pages 1-25, September.
    11. Guo, Xiaolei & Xu, Da, 2016. "Profit maximization by a private toll road with cars and trucks," Transportation Research Part B: Methodological, Elsevier, vol. 91(C), pages 113-129.
    12. repec:eee:transb:v:102:y:2017:i:c:p:105-123 is not listed on IDEAS
    13. Paul Koster & Erik T. Verhoef & Simon Shepherd & David Watling, 2014. "Probabilistic Choice and Congestion Pricing with Heterogeneous Travellers and Price-Sensitive Demand," Tinbergen Institute Discussion Papers 14-078/VIII, Tinbergen Institute, revised 13 Nov 2014.

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