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In transportation engineering, traffic flow is the study of interactions between travellers (including pedestrians, cyclists, drivers, and their vehicles) and infrastructure (including highways, signage, and traffic control devices), with the aim of understanding and developing an optimal transport network with efficient movement of traffic and ...
Traffic Flow is the study of the movement of individual drivers and vehicles between two points and the interactions they make with one another. Unfortunately, studying traffic flow is difficult because driver behavior cannot be predicted with one-hundred percent certainty.
Traffic flow: study of the movement of individual drivers and vehicles between two points and the interactions they make with one another. Also called traffic streams. Overlap in techniques used to study fluid mechanics (e.g. partial differential equations).
Traffic-flow theories seek to describe in a precise mathematical way the interactions among vehicles, drivers, and the infrastructure. The infrastructure consists of the highway system and all its operational elements, including control devices, signage, and markings.
An updating and expansion of An introduction to traffic flow theory, by the Special Committee on Publication of Selected Information on Theory of Traffic Flow, National Research Council. 1.
Today: From traffic flow (traffic streams) to traffic flow theory. Traffic flow theory: Models and hypotheses for explaining traffic flow. I.e., what would happen to traffic streams if they were to flow on roads under different conditions, potentially not yet observed. Models vs data.
Traffic Flow Theory is essential for understanding how vehicles move through road networks and how congestion forms. By applying the principles of traffic flow, engineers can design more efficient roadways, manage traffic better, and reduce congestion in busy areas.