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Investigation of a 27-Fatality Road Crash Involving a Double Road Tanker Impacting the Central Barrier

[+] Author Affiliations
José Antonio Romero Navarrete

Universidad Autónoma de Quertaro, Querétaro, Mexico

Alejandro A. Lozano Guzmán, Israel Aguilera Navarrete

Instituto Politécnico Nacional, Querétaro, Mexico

Paper No. IMECE2014-39603, pp. V014T08A027; 7 pages
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 14: Emerging Technologies; Engineering Management, Safety, Ethics, Society, and Education; Materials: Genetics to Structures
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4963-7
  • Copyright © 2014 by ASME


In a context in which a succession of crashes involving double combination vehicles has occurred in Mexico during 2012 and 2013, a catastrophic accident occurred on May 7, 2013, burning-killing 27 people whose homes were located adjacent to the road. In this case, the double combination carried Liquefied Petroleum Gas (LPG) in both containers, the second of which exploded as a consequence of its decoupling from the vehicle and roll over. The impact of the tractor against the median barrier due to an excessive evasive maneuver sparked a first conflagration due to a fuel leakage, which supplied the heat for the warming and subsequent explosion of the rolled-over container. The cabin of the tractor-semitrailer caught fire but the driver was able to move the vehicle 500 meters away from the crash spot. The analysis suggests that several characteristics of the vehicle and infrastructure could have mitigated or prevented the catastrophic consequences of this event, along with an appropriate response from the emergency response agencies. In particular, both, a B-train vehicular configuration and a vertical barrier could have prevented the occurrence of the fatal roll over.

Copyright © 2014 by ASME
Topics: Roads , Tankers



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