This database contains Noise Research Projects and related information with special focus on EU projects and national projects within the EU. Specifications of Search Mode: The checkboxes of each choice level are linked in OR setup - the choice levels themselves being interconnected in AND setup. To restrict search results, the keyword choice lines are linked in AND mode, but again providing three different keyword combinations in OR linkage. Example: Clicking e.g. the topic choice boxes "Passenger train" and "Passenger car", and the D, F and UK national boxes, and the "Actual projects" box, the visitor will find all actual German, French and British national projects concerning road and railway passenger traffic. To find all projects press only the "SEARCH" button.