Chapter 18, Signalized Intersections, describes a methodology for
evaluating the capacity and quality of service provided to road users traveling
through a signalized intersection. However, the methodology is much more than
just a tool for evaluating capacity and quality of service. It includes an array of
performance measures that describe intersection operation for multiple travel
modes. These measures serve as clues for identifying the source of problems and
provide insight into the development of effective improvement strategies. The
analyst using this methodology is encouraged to consider the full range of
measures