Verkehrsnetze: Investitionen in die Zukunft
U.S. Initiatives To Improve System Efficiency
U.S.-E.U. Transportation Policy Forum: Update on the Latest Intermodal Transportation Dialogue
Urban Travel in East and West: Key Problems and a Framework for Action
Updated estimates of the relationship between the business cycle and traffic fatalities
Universal service obligations in a competitive telecommunications environment
Umwelt- und Sozialstandards für ein nachhaltiges Beschaffungsmanagement