Surveying and Transportation Engineering · Lesson 15 of 27

Traffic Signal Design and Capacity

A full signal-design workflow for the CELE, from grouping movements into phases and splitting the cycle into green, yellow, and all-red with their lost time, to turning saturation flow into lane capacity, sizing the intersection by the critical-lane method, setting Webster's optimum cycle and its green splits, and reading average control delay back as a level of service.

15 min read · Super Ea