The Institute of Transport Economics (Transportøkonomisk institutt –TØI) is a national, Norwegian institution for multidisciplinary transport research. Its mission is to develop and disseminate transportation knowledge of scientific quality and practical application.The Institute is an independent, non-profit research foundation. It holds no interests in any commercial, manufacturing or supplying organisation. TØI has a multidisciplinary research environment with approximately 100 employees, of which about 90 are researchers. The Institute will normally have at least 200 research projects in progress at any one time, most of them being commissioned. Its sphere of activity includes most of the current issues in road, rail, sea and air transport, as well as urban mobility, environmental sustainability, ITS and road safety. In recent years the Institute has been engaged in more than 70 research projects under EU´s Research Framework Programmes.