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Applying the Transims Modeling Paradigm to the Simulation and Analysis of Transportation and Traffic Control Systems.
| 题名： | Applying the Transims Modeling Paradigm to the Simulation and Analysis of Transportation and Traffic Control Systems. |
| 作者： | dixon, m. chang, k. keecheril, s. orton, b. |
| 关键词： | models, traffic opertions, simulation, analysis, computerized simulation, travel demand, traffic delay, traffic data, traffic simulation, validation, performance measures |
| 摘要： | This report focuses on improving the TRANSIMS transportation planning model. TRANSIMS has been validated to a limited degree for traffic operations due to the lack of readily available standard performance measures and operations data output. This study developed a Traffic Data Extractor Tool (TDET) that provides more useful performance measures than those of TRANSIMS. Validation results for unsignalized intersections concluded that TRANSIMS tends to over estimate control delays and major street left turns are not modeled accurately. For signalized intersections, TRANSIMS performed very well. Compared with the field data, in some cases TRANSIMS surpassed Highway Capacity Software. Transportation planning models are also reliant upon demographic knowledge associated with traffic analysis zones (TAZs). Census data is an obvious choice for loading TAZs with demographic data. These demographic input data are limited since TAZs must either be of a size equal to the smallest census data level or composed of combined elements of the Census data, forming larger TAZs. Part 2 provides a methodology for incorporating remotely sensed data and local land use zoning data to disaggregate the Census block demographics to smaller, user defined TAZs thus providing a higher spatial resolution to the planning model process and increasing model accuracy. / NOTE: Final rept. / Supplementary Notes: Sponsored by Department of Transportation, Washington, DC. Office of Research and Special Programs. / Availability Note: Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0803；116p |
| 报告类型： | 科技报告 |
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