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Article

Evaluating the Effects of the A-Double Vehicle Combinations If Introduced to a Line-Haul Freight Transport Network

1
Department of the Built Environment, Aalborg University, 9220 Aalborg, Denmark
2
Mechanical Engineering Department, Faculty of Engineering at Shoubra, Benha University, Cairo 11629, Egypt
*
Author to whom correspondence should be addressed.
Academic Editors: Elżbieta Macioszek, Margarida Coelho, Anna Granà and Raffaele Mauro
Sustainability 2021, 13(15), 8622; https://doi.org/10.3390/su13158622
Received: 27 June 2021 / Revised: 27 July 2021 / Accepted: 27 July 2021 / Published: 2 August 2021
(This article belongs to the Special Issue Road Traffic Engineering and Sustainable Transportation)
One of the solutions to improve the eco-efficiency of road freight transport is to combine existing transport modules into Longer and/or Heavier Vehicles (LHVs). The scientific and industrial communities have paid increasing attention to an LHV, known as the A-double combination, consisting of a tractor, two 13.5-m semitrailers, and a dolly converter. The present research contributes to the existing literature by developing a methodology based on a cost-benefit approach to quantify the effects of the A-double combinations if introduced to a line-haul transport system. Four implementation scenarios and sensitivity analyses of main variables were evaluated within a case study of 48,472 line-haul trips in Denmark. The results indicate that in the least beneficial scenario, the A-double combinations reduce transport cost by 9.65% while reducing trips, CO2 emissions, and road wear by 17.91%, 5.34%, and 9.55%, respectively. Besides, the use of A-double combinations can significantly reduce empty tractor-semitrailer trips. However, the benefits are relatively less in the case of just-in-time deliveries and cargo constrained by vehicle weight. Also, cost saving is highly sensitive to driver salaries, fuel prices, and driving speeds. This research provides valuable insights into the potentials of A-double combinations under different regulations and freight characteristics from a micro perspective. View Full-Text
Keywords: longer and heavier vehicles; duo trailers; line-haul; freight transportation; carbon emissions; A-double; Denmark; high capacity vehicle; road wear; empty trips longer and heavier vehicles; duo trailers; line-haul; freight transportation; carbon emissions; A-double; Denmark; high capacity vehicle; road wear; empty trips
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MDPI and ACS Style

Karam, A.; Reinau, K.H. Evaluating the Effects of the A-Double Vehicle Combinations If Introduced to a Line-Haul Freight Transport Network. Sustainability 2021, 13, 8622. https://doi.org/10.3390/su13158622

AMA Style

Karam A, Reinau KH. Evaluating the Effects of the A-Double Vehicle Combinations If Introduced to a Line-Haul Freight Transport Network. Sustainability. 2021; 13(15):8622. https://doi.org/10.3390/su13158622

Chicago/Turabian Style

Karam, Ahmed, and Kristian H. Reinau. 2021. "Evaluating the Effects of the A-Double Vehicle Combinations If Introduced to a Line-Haul Freight Transport Network" Sustainability 13, no. 15: 8622. https://doi.org/10.3390/su13158622

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