United States Department of Transportation
i
Impact of performance goals on the needs of highway infrastructure maintenance.
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2011-07-01
[PDF-366.12 KB]
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Abstract:Although it is widely accepted that establishing suitable performance goal is critical for system
maintenance and preservation, a framework that considers the inter-relationship between conflicting
objectives of minimum maintenance and rehabilitation costs, deferred maintenance costs, and vehicle
operating costs to the users does not exist. This report proposes a methodological framework that is aimed
at assisting highway agencies with the problem of objectively analyzing policy decisions in terms of the
performance goals for their highway networks that would minimize the total transport costs to the society.
In a case study of the proposed framework, the highway network managed by the Texas Department of
Transportation was examined for different performance goals. The results from the case study indicate that
setting lower performance goals lead to savings in the M&R needs, but at the same time, they also
significantly increase the exogenous costs such as deferred maintenance costs and the vehicle operating
costs.
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