About Traffex Engineers

Traffex Engineers is a transportation consulting firm offering a unique blend of services to the transportation industry. Since 1996, the firm has been providing traffic engineering consultation, technical training, and expert witness services throughout California.

Nazir Lalani, Founder and President of the company, integrates his deep knowledge and vast experience in the fields of traffic operations, transportation planning and traffic safety, providing services and expertise in following areas:

  • Traffic engineering services for city and county agencies
  • Expert Witness for plaintiffs and defense in tort litigation proceedings
  • Training and instruction through the Institute of Transportation Studies at U.C. Berkeley and American Society of Civil Engineers
  • Traffic safety evaluations to local California agencies on behalf of U.C. Berkeley’s Institute of Transportation Studies Technology Transfer program

Additionally, Nazir was the primary author of two reports on pedestrian crosswalk treatments; the widely respected informational report, “Alternative Treatments for At-Grade Pedestrian Crossings” and the NCHRP Report 562 entitled “Improving Pedestrian Crossing Safety at Unsignalized Locations”, which he co-authored.

Traffex Engineers is currently contracted with the Cities of La Quinta, Rancho Mirage , Ojai and Indian Wells in Southern California to provide comprehensive engineering services.


Nazir Lalani has over thirty years’ experience in public and private sector transportation planning and traffic engineering.  He began his career with the Greater London Council in England and later moved to the U. S., holding local government positions with the cities of Buenaventura, California, Lakewood, Colorado, Phoenix, Arizona, as well as Santa Barbara County, California.  He also served as Deputy Director with the Ventura County Transportation Department for 10 years until founding Traffex Engineers.

Nazir obtained his Bachelor’s Degree in Chemical Engineering from the University of Exeter, Devon, England and a Master’s Degree in Civil Engineering from Arizona State University. He has served as Chair on various ITE committees, as an elected officer of ITE on the International Board of Direction, and as ITE’s 1999 International President.  Nazir has received numerous awards from ITE and other organizations including the Burton W. Marsh Award and Coordinating Council Special Recognition Award.

He is currently a licensed Engineer in Colorado and California.