Verkehrsberuhigung
 n.— «Verkehrsberuhigung is German for “traffic calming,” a long-standing European practice of reducing speeding and cut-through traffic by using speed humps, street furniture, wild engineering and other tactics.» —“Calming traffic: Various devices aim to get drivers to slow down” by Laura Pace Pittsburgh Post-Gazette (Pa.) Sept. 1, 2004. (source: Double-Tongued Dictionary)