Rupprecht Consult is an independent, private research and consulting company from Cologne, Germany, specialising in urban sustainable development. An interdisciplinary team of 17 internationally experienced employees led by Siegfried Rupprecht works on sustainability in the fields of urban and transport development, environment, information technologies and innovations to society. Focus areas are urban transport, environment and planning from an integrated and multi-disciplinary viewpoint. The company has coordinated projects in transport, energy and environment and supported cities throughout Europe in their sustainable development. Rupprecht Consult’s staff members have carried out impact assessments and indicator developments in many European urban mobility initiatives and projects.