Title: Traffic signal retiming practices in the United States
Description: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 409: Traffic Signal Retiming Practices in the United States explores practices that operating agencies currently use to revise traffic signal timing. The report examines the processes used to develop, install, verify, fine-tune, and evaluate the plans--
Subjects: Traffic signs and signals, Automatic timers, Control systems, Traffic signal timing, Electronic traffic controls
Places: United States