Cognitive characteristics of the operator of urban traffic control center and framework of Cognitive Work Analysis (CWA)

As the traffic is one of the most common social troubles in big cities, widen the roads; culture and using the intelligent methods are using to control the traffic. Therefore, the traffic control systems are innovated. These system operators have to do many cognitive jobs to manage these systems. CWA as a framework to improve the design of these systems has introduced in this paper to analyze them. CTA recognizes the restrictions of system throughout the 5 phases that begin with work domain analysis and ends in necessary personal qualification. Task analysis, strategy analysis and investigating the cooperation and organizations are between paces, respect. the results of this investigation consist of outline of the technique CWA, work domain analysis, decision ladders, details of relevant indicators, strategies, Information Flow Map (IFM), to frame the social organization and cooperation, and worker qualification analysis. The results of this study may used in selection and training the mentioned systems operators. The main reason is to use the experienced staff with high cognitive abilities in working with these systems. Otherwise, it can result in waste the organization money and energy. The operator decision making is more dependent on the information process, the operator also needs to have higher cognitive abilities. Strong visual search, timing and problem solving are perquisites of this job opportunity.