Highway Routine Maintenance Cost Estimation for Nevada
نویسندگان
چکیده
Highway Routine Maintenance Cost Estimation for Nevada by Monika Hagood Hualiang (Harry) Teng, Ph.D., Examination Committee Chair Associate Professor of Civil and Environmental Engineering University of Nevada, Las Vegas State highway agencies are obligated to maintain existing roads for the highway systems to work efficiently and with greater longevity. Every year NDOT is responsible for approximately 13,150 lane miles of existing infrastructure. With that in mind, resources need to be provided to maintain the highway system. The purpose of this research was to estimate annual routine maintenance cost for several typical treatment methods of highways. Five prioritization categories of highways used by NDOT were considered. Linear regression models were developed that present the relationship between costs including total maintenance cost and five maintenance cost components: labor, equipment, materials, manpower and stockpile, and the influencing factors: traffic load, road geometry, pavement structure, and climate. It was expected that the cost model depends on various roadway factors including elevation, number of lanes, age of the pavement, last year of pavement construction work, average daily traffic
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