This book contains the proceedings of the Eighteenth International Conference on on Urban Transport and the Environment, held in A Coruña, Spain, May 14-16, 2012. The papers presented at the conference cover topics such as Urban Transport Planning and Management; Transportation Demand Analysis; Traffic Integration and Control; Intelligent Transport Systems; Transport Modelling and Simulation; Land Use and Transport Integration; Public Transportation Systems; Environmental and Ecological Aspects; Air and Noise Pollution; Safety and Security; Energy and Transport Fuels; Economic and Social Impact; and Advanced Transport Systems.