Founded in 1987, KOA Corporation (KOA) is one of the leading traffic engineering and transportation
planning and design firms in California. KOA provides consulting services to both public and private
sectors, and has five offices to serve our California clients.
Our staff includes certified transportation planners and California registered civil and traffic engineers.
KOA has provided engineering services for many of the largest public works and transportation planning
projects in California.
We profit by enhancing the quality of life in our society and providing service that exceeds our client's
expectations and we select the professionals who share these goals.