Title: Case Study on Sustainability Through the Application of the Principles of Pavement Management
Abstract: Sustainable transportation often targets a shift in mode of transportation from cars to transit vehicles and increases in vehicle fuel efficiency. However, even where these shifts are successful, the transportation network generally remains the road network. This paper focuses on the sustainable preservation and maintenance of a road network through the application of the principles of pavement management. One of the key fundamentals of effective pavement management is that keeping roads in good condition through timely rehabilitation costs less than allowing roads to deteriorate to the condition where more robust treatments, such as partial or full depth reclamation or reconstruction, become necessary. These timely treatments are also more sustainable in that they typically require less input of raw materials, less construction effort, and reduced duration of construction and associated user delay. In this case study, the City of Abbotsford's pavement management system is used to demonstrate the use of pavement deterioration and maintenance cost forecasting models. All of the theoretically possible strategies for preserving a given pavement segment are generated with analysis software and can then be optimized and prioritized under various budget scenarios. This allows for the rigorous economic justification of comprehensive programs that minimize the net present value costs and maintain pavement networks in a sustainable manner. The study shows that not only do Good Roads Cost Less in terms of direct maintenance and rehabilitation cost, they also significantly reduce road user costs and overall Green House Gas emissions. For the covering abstract of this conference see record control number 201111RT334E.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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