Analysis of the Extent of Overloading on the Nigerian Highways
International Journal of Transportation Engineering and Technology
Volume 6, Issue 1, March 2020, Pages: 22-29
Received: Jan. 30, 2020; Accepted: Feb. 13, 2020; Published: Mar. 24, 2020
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Oyekanmi Olufemi Jacob, Department of Transport Management Technology, Federal University of Technology, Owerri, Imo State, Nigeria
Ibe Callistus Chukwudi, Department of Transport Management Technology, Federal University of Technology, Owerri, Imo State, Nigeria
Ebiringa Oforegbunam Thaddeus, Department of Financial Management Technology, Federal University of Technology, Owerri, Imo State, Nigeria
Ejem Ejem Agwu, Department of Transport Management Technology, Federal University of Technology, Owerri, Imo State, Nigeria
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Overloaded trucks occurrences is largely common in Nigeria where the axle-load control and enforcement is poor. This paper presents the analysis of the weigh-in-motion survey in Lokoja-Abuja road and the extent of overloaded trucks on the section of the way. The GVW violations amongst the different truck types revealed that 20% of the 2-axle trucks are overloaded, about a half of the 3-axle lorries (50%) are also overloaded, the 4-axle, 5-axle and 6-axle vehicles are the main contributors to truck overloading occurrences in Lokoja-Abuja road, Nigeria with 86%, 73% and 94% overloaded respectively. From the relationship between the numbers of axles each truck category (travelling at a certain speed) and the changes in GVW, the correlation coefficient was 0.855 which was significant at 0.01 level, indicating a compelling contribution of the number axle to overloading on the Nigerian road. The analysis showed that the axle load from weigh-in-motion data is hugely greater than ECOWAS standard weight in Lokoja-Abuja road, which may lead to accelerated deterioration, reducing the service life of the pavement structures.
Overloading, Highway, Truck, Axle-load and Gross Vehicle Weight
To cite this article
Oyekanmi Olufemi Jacob, Ibe Callistus Chukwudi, Ebiringa Oforegbunam Thaddeus, Ejem Ejem Agwu, Analysis of the Extent of Overloading on the Nigerian Highways, International Journal of Transportation Engineering and Technology. Vol. 6, No. 1, 2020, pp. 22-29. doi: 10.11648/j.ijtet.20200601.14
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This article is an open access article distributed under the Creative Commons Attribution License ( which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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