Samenvatting
A series of general risk-management countermeasures forspeed UDAs are described in this report. First, counter-measure elements in three functional areas, detection,information, and action, are identified. Three comprehen-sive countermeasure programs incorporating these elementsare then outlined and discussed with respect to their fea-sibility;and effectiveness. General requirements for test-ing and evaluating this type of countermeasure are present-ed.