Recommended future research includes improved algorithms for stochastic and dynamic equilibrium assignment, new methods for calibrating assignment models, and the use of Geographic Information Systems (GIS) technology for data and model management.
The extension to incorporate the time dimension through the use of dynamic equilibrium assignment methods is proposed as an enhancement that is necessary in order to produce realistic models.
The second approach uses mathematical programming techniques associated to equilibrium assignment problems to estimate a trip matrix in congested areas.
For each approach a different optimization model and some solution algorithms are proposed; both models and algorithms are based on the assumptions of within-day static system and stochastic user equilibrium assignment models.
This paper further investigates the impacts caused by travel information systems on traffic behavior through extending the authors' previous work to a general urban transportation network with parallel routes. The stochastic and deterministic userequilibrium assignment models are used to carry out the analyses, i.e., computing the changes of average travel costs before and after the introduction of the information system. We also study how the parameter of the logit_based stochastic model affec...