Abstract
The Transport Research Delegation (TFD) has initiated aproject concernins systems for traffic informaton andcontrol - the INFOU-project. As a part of the projectthree psychologists from Nordic traffic research organi-sations have in co-operation with the INFOU-committee andothers analyzed the informaton acquisition process ofroad users. A simple information model has been worhedout and a number oi inf ormation problems which reedfurther research has been suggested.