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https://www.nationalacademies.org/trb/events

ROUTE SELECTION BY HEAVY TRAFFIC

ROUTENWAHL DES SCHWERVERKEHRS

THE AIM IS TO DEVELOP A MODEL OF ROUTE SELECTION BY HEAVY TRAFFIC FOR DISTANCES OVER 15 KM. ABOUT 17 - 20 DIFFERENT POSSIBLE ROUTES IN THE REGION OF LOWER AUSTRIA ARE TO BE EXAMINED, ATTENTION BEING PAID NOT ONLY TO THE CHOICE BETWEEN HIGHWAY AND MOTORWAY BUT ALSO TO CHOICE BETWEEN HIGHWAYS. CRITERIA WHICH AFFECT ROUTE SELECTION BY HEAVY VEHICLES ARE TO BE ESTABLISHED. ESTABLISHMENT OF THE ROUTES TO BE STUDIED IS FOLLOWED BY DETERMINATION OF THE CHARACTERISTICS OF THE ROUTES (FOR EXAMPLE RADII, GRADIENTS, ROAD WIDTH, DESIGN SPEED ETC), DRAWING UP OF A LIST OF QUESTIONS FOR INTERVIEWS, AND DECIDING WHERE THE INTERVIEWS WILL TAKE PLACE. QUESTIONS AND COUNTS ARE THEN TO BE EVALUATED AND ANALYSED. THIS SHOULD LEAD TO THE PRODUCTION OF A MODEL AND A SIMULATION PROGRAM. THE INPUT DATA ANTICIPATED ARE TRAFFIC VOLUME, ROAD CHARACTERISTICS AND TRENDS. THE RESULT IS EXPECTED TO SHOW THE DISTRIBUTION OF THE FLOWS OF HEAVY VEHICLES, WHICH WILL SERVE TO CALIBRATE THE MODEL.