The procedure used to determine whether performance differences exist among the Ohio Department of Transportation’s (ODOT’s) 12 districts is presented. Two performance measures were used: pavement condition rating deterioration trends and distributions. The methods used to develop the performance measures from existing pavement data are presented. Five years of actual pavement inspection data were supplied. The study was limited to divided highways with four or more lanes. To develop the deterioration trends, existing data were transformed into a probabilistic deterioration model using geographic information systems and relational database software. Monte Carlo simulation was used to establish deterioration trends and a Markovian deterioration envelope. Hypothesis testing was implemented to determine which districts were performing better or worse than the state as a whole. ODOT’s northeastern districts performed worse than the state average, and rural districts performed better than the state average.
Pavement Performance Analysis Applying Probabilistic Deterioration Methods
Transportation Research Record: Journal of the Transportation Research Board
Transportation Research Record: Journal of the Transportation Research Board ; 1769 , 1 ; 20-27
01.01.2001
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Pavement Performance Analysis Applying Probabilistic Deterioration Methods
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