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TRANSIMSTRansportation ANalysis and SIMulation System
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a day-by-day evolutionary approach, the TRANSIMS model investigated mobility impacts, travel pattern changes, and departure time shifts with each freeway segment closure.
Using the TRANSIMS model, the researchers were able to analyze travel pattern changes as well as travel reliability.
This project demonstrated that TRANSIMS is a viable tool for traffic analysis of work zones," says Brian Gardner, leader of the transportation systems performance team in FHWA's Office of Planning and manager of FHWA's TRANSIMS program.
User-friendliness is a critical aspect of the TRANSIMS commercialization initiative," said Mike Bridges, who leads PricewaterhouseCoopers' team on the project.
The TRANSIMS software was developed using technology created for national security purposes.
PricewaterhouseCoopers will work with the Los Alamos laboratory to develop further the TRANSIMS user interface system and to package TRANSIMS software to create a version that is more readily usable by state and local planning agencies.
FHWA said that TRANSIMS, developed at a cost of $25 million, represents a major advance in travel forecasting procedures.
TRANSIMS has been developed through field tests with the North Central Texas Council of Governments, the Regional Planning Agency for the Dallas-Fort Worth metropolitan area, and the Portland, Ore.
Plans call for TRANSIMS to be available in January 2002.
The TRANSIMS design has been driven by legislative and analytical requirements that exceed the capabilities of current models and methodologies.
Department of Transportation (DOT) has provided most of the funding for the development of TRANSIMS.
TRANSIMS is an ambitious project that will take years to complete and will require the cooperative efforts of modelers both inside and outside the transportation community.