Simulation of rerouting phenomena in Dynamic Traffic Assignment with the Information Comply Model
Rafał Kucharski and
Transportation Research Part B: Methodological, 2019, vol. 126, issue C, 414-441
We present the Information Comply Model (ICM) which extends the framework for macroscopic within-day DTA proposed by Gentile (2016) to represent the rerouting of drivers wrt a single traffic event. Rerouting is reproduced as a two-stage process: first, drivers become aware about the event and its consequences on traffic; second, drivers may decide to change path. At each arc, unaware drivers have a probability of being informed by multiple ATIS sources (radio, VMS, mobile apps), which depends not only on devise penetration rates, but also on users space and time coordinates wrt the position and interval of the event. At each node, aware drivers, who are somehow reluctant to change, may finally modify their path based on a random rerouting utility, which is composed of expected gains and avoided losses. ICM is thus capable of representing the evolution of rerouting phenomena in time and space when the information about a traffic event and its consequences on congestion spread among drivers and onto the network.
Keywords: Dynamic user equilibrium; Macroscopic model; Unexpected traffic events; En-trip route choice; Real-time traffic management (search for similar items in EconPapers)
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