NEW APPROACH TO TRANSPORTATION SYSTEMS MODELING

Dana E. Low

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Transportation Planning and Optimization Traffic control and management Traffic Prediction and Management Techniques

Abstract

IN THIS MODEL TRAFFIC VOLUMES ARE DETERMINED ONE LINK AT A TIME, PRIMARILY AS A FUNCTION OF THE RELATIVE PROBABILITY THAT ONE LINK WILL BE USED IN PREFERENCE TO ANOTHER. INTERZONAL TRIP PROBABILITIES ARE THEN ASSIGNED TO THE NETWORK, USING REGULAR TRAFFIC ASSIGNMENT PROCEDURES, TO PRODUCE ESTIMATED TRIP PROBABILITIES ON A LINK-BY-LINK BASIS. REGRESSION EQUATIONS ARE THEN DEVELOPED TO RELATE COUNTED LINK VOLUMES TO ASSIGNED TRIP PROBABILITIES AND OTHER LINK CHARACTERISTICS. THESE EQUATIONS CAN THEN BE USED TO ESTIMATE LINK VOLUMES UNDER OTHER CONDITIONS AFTER DETERMINING AND ASSIGNING NEW INTERZONAL TRIP PROBABILITIES TO REFLECT THOSE CONDITIONS. THIS APPROACH CAN BE USED TO PRODUCE TRAFFIC VOLUME FORECASTS WHEN STUDY FUNDS OR INPUT DATA REQUIRED FOR THE USUAL TECHNIQUES ARE LACKING. /AUTHOR/

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2005Spatial Economic Model for Forecasting the Percentage Splits of External Trips on Highways Approaching Small Communities 2024Estimation of dynamic Origin–Destination matrices in a railway transportation network integrating ticket sales and passenger count data 2005A Small Community Through Trip Rate Methodology 2002Performance of Single Internal Trip Purpose Methodology to Model Smaller Urban Area Traffic

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