Modeling User Equilibrium in Microscopic Transportation Simulation
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User equilibrium refers to the network-wide state where individual travelers cannot gain improvement
by unilaterally changing their behaviors. The Wardropian Equilibrium has been the focus of a
transportation equilibrium study. This paper modifies the dynamic traffic assignment method through
utilizing the TRANSIMS system to reach the dynamic user equilibrium state in a microscopic model.
The focus of research is developing three heuristics in a Routing-Microsimulation-Equilibrating
order for reaching system-wide equilibrium while simultaneously minimizing the computing burden
and execution. The heuristics are implemented to a TRANSIMS model to simulate a subarea of
Houston, TX.