This European Standard specifies the functional requirements for cab windscreens of high speed trains including testing and conformity assessment.The same requirements can be applied toThe windscreens of other types of rolling stock if some of the performance criteria are adjusted to suitThe application. Such changes should be based on national standards or infrastructure controller's regulations whereThey exist.This European Standard does not specify all interfaces betweenThe windscreen andThe vehicle.This European Standard does not apply toThe renewal of windscreens of high speed rolling stock already in operation.