This paper reports the model validation process for a passenger and a freight statewide model developed for the Wisconsin Department of Transportation. These policy-sensitive planning models are used to understand and quantify passenger and freight flows in Wisconsin and to support system-planning analyses at a statewide level. Examples of policies being tested include the impact of different land use scenarios and transportation projects on highway traffic, the diversion of traffic along key corridors, and the ridership potential of enhanced intercity bus service. The passenger model was estimated by using the Wisconsin add-on for the 2001 National Household Travel Survey (NHTS), and the freight model was estimated by using Transearch commodity flow data. Model validation relied on the NHTS data, statewide automobile and truck traffic counts, intercity transit ridership estimates, and 2000 U.S. Census data including the Census Transportation Planning Package, FHWA's validation manual, and NCHRP Report 365. The Wisconsin statewide models are presented as case studies to highlight the data sources, model estimation and validation methodologies, and results obtained at a statewide level. The passenger and freight validation results support the robustness of the models at a statewide and a corridor level. The methodology and standards discussed for the Wisconsin statewide models provide another data point to help establish guidelines for statewide model validation.
Wisconsin Passenger and Freight Statewide Model
Case Study in Statewide Model Validation
Transportation Research Record
Transportation Research Record: Journal of the Transportation Research Board ; 2003 , 1 ; 120-129
2007-01-01
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Wisconsin Passenger and Freight Statewide Model: Case Study in Statewide Model Validation
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