Truck trip forecasting based on commodity flows and I-O coefficients - Sorratini, José Ap.
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This work attempts to improve the modeling of statewide truck travel demand models by using commodity flow data from the Census, a private database (TRANSEARCH), and Input-Output (I-O) coefficients. The model developed adapted the four- stage Urban Transportation Planning modeling process to the state level and estimated trips for heavy trucks. Production and attraction rates in tons were derived at the county level using employment for 28 manufacture sectors. Annual tons at the county-level were converted to daily truck trips which were further disaggregated to the Traffic Analysis Zone level…mehr

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Produktbeschreibung
This work attempts to improve the modeling of statewide truck travel demand models by using commodity flow data from the Census, a private database (TRANSEARCH), and Input-Output (I-O) coefficients. The model developed adapted the four- stage Urban Transportation Planning modeling process to the state level and estimated trips for heavy trucks. Production and attraction rates in tons were derived at the county level using employment for 28 manufacture sectors. Annual tons at the county-level were converted to daily truck trips which were further disaggregated to the Traffic Analysis Zone level using zonal population as the disaggregation factor. An economic-based Input-Output software was used to derive the I-O direct matrix and the I-O direct coefficients at the state level for developing the trip attraction rates. The Commodity Flow Survey from the U.S. Census together with a private database were used to develop the trip production rates. The model developed performed well as a forecasting tool back-forecasted 15 years to the past. It may be used by planners and by the Wisconsin Department of Transportation for forecasting and operational applications.
Autorenporträt
Undergraduate degree in Civil Engineering from UNICAMP, Brazil in 1985. Master degree in Transportation Engineering from EESC- USP, Brazil in 1991. PhD degree in Civil and Environmental Engineering, major in Transportation from UW, Madison, USA in 1999. Postdoctoral program in Traffic Engineering in the University of Leeds, UK in 2005.