Browsing by Subject "Access roads"
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Item Monitoring the Effects of the Dallas/Fort Worth Regional Airport. Volume I, Ground Transportation Impacts(Council for Advanced Transportation Studies, 1976-12) Dunlay, William J., Jr; Henry, Lyndon; Caffery, Thomas G.; Wiersig, Douglas W.; Zambrano, Waldo A.The report presents new conceptual and methodological approaches to developing models to interrelate airline schedules, airport-based employee work-shift schedules, and airport access ground traffic volumes in any time period for a given report. The results of a survey of ground travel at the Dallas/Fort Worth Regional Airport are presented and analyzed. Specific ground transportation impacts of the installation of this relatively new airport are assessed. Models are described which (1) express volumes of automobiles carrying airline passengers and visitors as a function of airline schedules and (2) transform existing or future employee work-shift schedules into estimates of incoming and outgoing employee vehicle volumes in any time interval. Preliminary research toward the development of a model to estimate public transit passenger volumes as a function of airline passenger volumes is also described.Item A Pavement Design and Management System for Forest Service Roads. Phase III: Implementation Final Report(Council for Advanced Transportation Studies, 1979-01) McCullough, B. Frank; Luhr, David R.This report reviews the third phase of a three-phase project to develop and implement a pavement design and management system for low-cost, low-volume roads, in particular Forest Service roads. The specific objective of this phase was to implement a pavement management system called LVR (for low-volume roads) that was developed in Phase II. The implementation was carried out on a trial basis in selected Forest Service Regions. Three training sessions instructed approximately 70 Forest Service engineers and planners from different parts of the country in the operation of program LVR. Following the training session was a one year period of program trial usage by the Forest Service. Changes were made in the program as users discovered inconsistencies or "bugs" in the new system. The report includes results from a sensitivity analysis of the program, and an examination of the Rutting Prediction Model. Recommendations include revising the aggregate road failure models, and the establishment of a Forest Service system data base.