Instructor Information


Rafat Raie PE, City Traffic Engineer, City of Walnut Creek

Mr. Raie has nearly 25 years of Traffic Engineering experience including design, operation, planning, and maintenance. As an instructor with ITS Tech Transfer for the past nine years, he has shared his professional experience in pedestrian facility design and operations in communities throughout California. He has a well-rounded experience in traffic signal systems, parking systems, innovative pedestrian facilities, and ADA standards.

Joy Bhattacharya PE, PTOE, Principal, Stantec

Mr. Bhattacharya leads Stantec's Traffic Engineering and Transportation Planning team for the US Pacific North. He has expertise in traffic engineering, traffic simulation, traffic signal systems with traffic simulation, traffic signal timing, traffic operations and ITS. He is an ITE fellow and has approximately 20 years of traffic engineering experience.

Crystal Killian PE, Transportation Engineer, City of Los Angeles

Ms. Killian is a Professional Civil Engineer and a Traffic Engineer with more than 20 years of transportation engineering experience with the City of Los Angeles in the Department of Transportation. She has been involved in programs for parking, special events, emergency response, liability management, neighborhood traffic calming, school safety and pedestrian safety.

Obaid Khan PE, City Traffic Engineer, City of Dublin

Mr. Khan is a registered Civil Engineer in California with over 23 years of professional experience in the fields of civil and transportation engineering. He has a Master of Science degree from New Jersey Institute of Technology in Civil and Transportation engineering. Since 2012, he is overseeing the Transportation Division at the City of Dublin. His Division is responsible for the planning, design, and construction of transportation capital projects as well as the operation of over 93 traffic signals, intelligent transportation systems, and management of all transportation facilities. Mr. Khan also manages the review of new development applications and construction permits. As part of his responsibilities, he oversees the City's Pavement Management Program.