Evaluating Twin Cities Transitways’ Performance and their Interaction with Traffic on Neighboring Major Roads
2015-03
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Evaluating Twin Cities Transitways’ Performance and their Interaction with Traffic on Neighboring Major Roads
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2015-03
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Center for Transportation Studies, University of Minnesota
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Report
Abstract
Long-term, regional travel demand models are essential tools used by planning organizations for resource
management, project scheduling, and impact studies. Developed primarily at the macroscopic level, these tools lack
sufficient detail to capture the influence of local geometry, dynamic traffic controls, or advanced transportation
demand management (ATDM) strategies. To bridge the gap, a hybrid mesoscopic-microscopic model was developed.
The core of the model, surrounding two light rail corridors in Minneapolis-Saint Paul, Minnesota, was developed at
high resolution for microscopic simulation to capture the interaction between traffic signals, transit systems, and the
road network. The remainder of the greater Twin Cities area was implemented based on the Regional Planning Model
(RPM) maintained by the Metropolitan Council. Interfacing the Aimsun-based hybrid model with the Cube-based
RPM, the Twin Cities Metro Hybrid Simulation was used to iteratively improve mode choice and traffic assignment to
achieve a dynamic user equilibrium state. Important lessons were learned regarding the effort required to develop and
maintain such a model with implications for future large scale regional modelling.
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Hourdos, John; Lehrke, Derek. (2015). Evaluating Twin Cities Transitways’ Performance and their Interaction with Traffic on Neighboring Major Roads. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/172481.
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