Statewide mesoscopic simulation for Wyoming.
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2013-10-01
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Abstract:This study developed a mesoscopic simulator which is capable of representing both city-level and statewide roadway ; networks. The key feature of such models are the integration of (i) a traffic flow model which is efficient enough to ; scale to large regions, while realistic enough to represent traffic dynamics, including queue growth and dissipation ; and intersection control; and (ii) a user behavior model in which drivers choose routes based on minimizing travel ; times. Integrating these models is nontrivial, because route choices depend on route travel times, but route travel ; times are determined from route choices through the traffic flow model. An iterative approach is used to seek a ; consistent solution to this problem, using the cell transmission model as the traffic flow model. ; These features have been implemented in a software program, for which source code and tutorials have been ; provided as appendices to this report. Additional modules are provided for generating graphical views of networks, ; performing warrant analysis based on MUTCD procedures (either to assist with network creation, or as a postprocessing ; step), and a spreadsheet interface to the program itself. Ready-to-use networks have been provided ; representing the city of Casper and the state of Wyoming.
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Main Document Checksum:urn:sha-512:b5d8d8873c1c06587869b205cdd2142e8152e10ee131556c81c31b3beb70997c99177d15e99deaa4d0e05c074f76f2b03b918b9a1c1fad15f82a96db94ac9d5e