Rational Pavement Type Selection Procedure

摘要

This report describes a project-level pavement type selection procedure developed for use in state departments of transportation (DOTs). This reports details the overall decision framework required for making dependable pavement type selection decisions. Three important factors agency costs, user delay costs, and performance levels associated with candidate strategies are thoroughly evaluated and quantified for economic comparisons. The economic evaluations are primarily based on the lifecycle cost analysis and cost-effectiveness analysis. The report also describes the requirements and approach to generate candidate pavement strategies. The impact of miscellaneous factors on pavement type selection is also discussed. Some guidelines are suggested for the final strategy selection. An example case study is conducted to demonstrate the use of computer program, Texas Pavement Type Selection, or TxPTS.