Samenvatting
In addition to field research concerning learning effects and usability of educational materials from the traffic education box "Doorgaand Verkeer" (Through Traffic) released by the Dutch Road Safety Organization, the objectives and contents of these materials are being analyzed. This report focusses on the objectives and content of materials that were released in the second delivery stage of the traffic education box, the so called Additional Set '87. See also B 27773, 28008 and 28069.