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Supernetworks have long been adopted to address multi-dimensional choice problems,which are thorny to solve for classic singular networks.Originated from combining transport mode and route choice into a multi-modal network,supernetworks have been extended into multi-state networks to include activity-travel scheduling,centered around activity-based models of travel demand.A key feature of the network extensions is that multiple choice facets pertaining to conducting a full activity program can be modeled in a consistent and integrative fashion.Thus,interdependencies and constraints between related choice facets can be readily captured.Given this advantage of integrity,the modeling of supernetwork has become an emerging topic in transportation research.This paper summarizes the recent progress in modeling multi-state supernetworks and discusses future prospects.
Supernetworks have long been adopted to address multi-dimensional choice problems, which are thorny to solve for classic singular networks. Originally combining combining transport mode and route choice into a multi-modal network, supernetworks have been extended to multi-state networks to include activity -travel scheduling, centered around activity-based models of travel demand. A key feature of the network extensions is that multiple choice facets to conducting a full activity program can be modeled in a consistent and integrative fashion.Thus, interdependencies and constraints between related choice facets can be readily captured. Given this advantage of integrity, the modeling of supernetwork has become an emerging topic in transportation research.This paper summarizes the recent progress in modeling multi-state supernetworks and discusses future prospects.