Transport authorities who are dealing with drivers’ training procedures are interested in improving drivers’ skills to enhance public transport productivity and promoting road safety. The present research work has been conducted to evaluate the effectiveness of written examination based training courses on freight drivers’ reaction, learning, behavior, and reduction on their accidents and traffic violations, so the well-known model of Kirk-Patrick has been utilized. Tehran province, the capital province of Iran, has been selected as the case study where gathering data process has been done through filling out a standard questionnaire composed of 45 pre-designed questions. Commercial freight drivers, consignees, goods owners, and experts filled out the questionnaires and results revealed that the written examination based training courses do not have significant effects on drivers’ reactions, learning, behaviors, and performances in freight transportation.