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Our vision is to be the Institute of Choice for Highway Engineers. Our mission is to provide professional development opportunities, support and leadership for individuals to achieve and maintain professional recognition.

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IHE Branch Event

Online: Traffic Signal Coordination Principles and Timing Development – An International Perspective

  • CPD Value: This event is awarded 1 CPD Hour
Dates Location Cost (ex VAT)
Wed 05 Apr 2023 Online via Teams FREE

Full Details


17:00hrs (UK time)
19:00hrs (Doha time)

The IHE Middle East Branch would like to invite you to this joint technical webinar with WCTRS on Wednesday 5th April 2023.


This presentation focuses on discussing traffic signal coordination practices in various parts of the world. Traffic signal coordination has proven to be one of the most cost-effective traffic management strategies to minimize travel delay, vehicle stops, and related fuel consumption and green-house emissions. Some basic signal control concepts will be first introduced, including the two primary signal phasing schemes, the NEMA in North America and stage structure used in most other countries. The signal coordination principles will then be described, including key signal timing parameters such as cycle length, splits, offset, and phase sequence. Signal coordination under both fixed time and actuated control will be discussed. Case examples will be presented to illustrate different practices in various parts of the world.

Presenter – Dr. Zong Tian

Dr. Zong Tian joined the University of Nevada Reno (UNR) in 2004 and is currently a professor and director of the Center for Advanced Transportation Education and Research (CATER) at UNR. He obtained his Ph.D. degree from Texas A&M University. His professional career includes positions at the Texas Transportation Institute between 2000 and 2004, and Kittelson & Associates, Inc. between 1995 and 1999.

Dr. Tian is active in various professional organizations. He was a member of two major TRB committees: the Traffic Signal Systems Committee and the Highway Capacity and Quality of Service Committee. He is currently the Topic Area Manager (TAM) for Area C of the World Conference on Transport Research Society (WCTRS), overseeing four Special Interest Groups in the area of transportation systems, operations, and safety. He is an associate editor of the journal of Case Studies on Transport Policy. His specialty is in traffic signal systems and operations, highway capacity, and integrated freeway and arterial operations. He has more than 80 journal publications, most of them are in the area of traffic signal control. He has also published two books related to traffic signal control. Dr. Tian received the Young Consultant Award from ITE in 1997.

You must register to attend by clicking the ‘Book Now’ button above.

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