Simulating Freight Traffic between Atlantic Canada and Québec to Support Pavement Management on New Brunswick’s Regional Highways
Publication: Journal of Infrastructure Systems
Volume 19, Issue 3
Abstract
Traffic loading for pavement deterioration should be modeled as a dynamic indicator based on trip distribution derived from spatial economics. The estimation of modal distribution of trips and land development has been the main focus of integrated land use and transport models. However, no connection with transportation asset management has been established. This paper proposes the use of spatial economic simulation to forecast freight-traffic distribution to improve pavement-deterioration modeling. A case study of trade flows between Canada’s Atlantic Provinces and Québec is used to show the pitfall of current management models in estimating rates of deterioration, underfunding maintenance, and rehabilitation strategies. It was found that a total cost of $25 million could maintain adequate levels of condition under the current performance modeling; however, such a budget is inadequate when performance is based on forecasted truck traffic. It was also found that aggregation of pavements in a few homogeneous groups resulted in the inability to prioritize investments considering the economic relevance of the road in the region. This study suggests the use of individual deterioration models for strategic roads.
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Published In
Journal of Infrastructure Systems
Volume 19 • Issue 3 • September 2013
Pages: 343 - 350
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Oct 24, 2011
Accepted: Aug 9, 2012
Published online: Aug 23, 2012
Discussion open until: Jan 23, 2013
Published in print: Sep 1, 2013
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