encyclopedia

SIMULATION

A process or technique in which real phenomena, such as vehicle or person movements, are presented mathematically to allow study for planning purposes. (TRB)

SIMULATION MODEL

A model that represents mathematical events and responses to these events in a manner that resembles the interaction of cause and effect in a real system. (TRB)

SIMULTANEOUS MODEL

A demand-forecasting model that is based on the assumption that travelers choose a level of trip frequency, time of day, destination, model, and path as a single decision and that in making this decision, travelers consider the alternative for each…