Experience - Knowledge - Service

Hartzog & Crabill Inc. (HCI) is a traffic engineering and civil engineering firm dedicated to serving the individual traffic needs of our client agencies. Established in 1993, HCI has specialized in all aspects of traffic engineering, including traffic signal design and operations, as well as providing civil engineering services, city engineering services, and transportation planning. We have continuously and successfully provided these quality professional services for over 30 years through an experienced and knowledgeable team of engineers and support staff.