The TES-201 Workshop is designed for the personnel maintaining NEMA traffic controller cabinets and/or supervisors who maintain NEMA traffic controller cabinets. Most students use this course for introductory or beginners session in controller programming and cabinet maintenance. It is recommended that each individual enrolling have at least six months in service, as well as general knowledge of the equipment and traffic industry terminology. Topics of discussion include classroom lecture (Covering Basic Operation Theory & Use), preventative maintenance, controller cabinet troubleshooting techniques, and basic NEMA controller programming/set-up. A question and answer session follows.