Signalized Intersections

Dr. Daiheng Ni is a Professor within the Department of Civil and Environmental Engineering at the University of Massachusetts in Amherst, MA. His research interests include Traffic Flow Theory and Simulation, Air Traffic Modelling and Control, Connected Vehicle Technology, and Intelligent Transportation Systems (ITS). He earned his Ph.D. at the Georgia Institute of Technology.

• Intersection Control.- Warrants of Intersection Signalization.- Phasing and Sequencing.- Left Turns.- Pre-Timed Signal Timing.- Queuing at Intersections.- Level of Service of Signalized Intersections.- Controllers and Detectors.- Actuated Control.- Small-Area Detection.- Large-Area Detection.- High-Speed Approaches.- Preemption an Priority.- Traffic Signal Coordination.