This book dissects everyday traffic phenomena, detailing their characteristics, mechanisms, and dynamics through multi-level modeling approaches to explain why these phenomena occur and how they can be effectively simulated. The second edition of Traffic Flow Theory builds on foundational knowledge to express the intricacies of road networks, space-time dependencies, heterogeneous traffic patterns, and numerous interacting components in mathematical form. Authored by a leading academic, Daiheng Ni, the volume offers updated coverage of the latest field developments and explores the practical applications of these simulations. It contributes new, research-informed evidence showing that integrating various analytical frameworks leads to a unified perspective with significant benefits for optimizing safety and efficiency in transportation systems.

The second edition of Traffic Flow Theory is presented as a comprehensive and coherent reference for a broad transportation engineering audience, as well as readers in interconnected disciplines. Its detailed treatment of traffic phenomena through multi-level modeling and simulation is intended to provide a unified perspective for optimizing safety and efficiency. The book's approach is described as research-informed, contributing new evidence to the field. It aims to be a staple resource for professionals and academics seeking to understand and manage complex transportation systems.