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Traffic Flow Theory: Introduction

Traffic Flow Theory is a tool that helps transportation engineers understand and express the properties of traffic flow. At any given time, there are millions of vehicles on our roadways. These vehicles interact with each other and impact the overall movement of traffic, or the traffic flow.

Whether the task is evaluating the capacity of existing roadways or designing new roadways, most transportation engineering projects begin with an evaluation of the traffic flow. Therefore, the transportation engineer needs to have a firm understanding of the theories behind Traffic Flow Analysis.

This chapter is designed to help the undergraduate engineering student understand the fundamentals of Traffic Flow Theory. To begin exploring Traffic Flow Theory, click on one of the links to the left.