Abstract:For state departments of transportation (DOTs), estimating preliminary engineering (PE) costs over a multiple-year horizon is critical for proper planning of engineering resources and budgets to ensure timely delivery of a portfolio of bridge construction projects, which incur PE costs that are relatively higher than those required for other highway project types. However, given the uncertainties in the planning phase, it is challenging to estimate PE costs effectively and efficiently. The purpose of this stud… Show more
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