Editor of Transport Reviews (2000- )

    Joint editor of Built Environment (1992- );

Founder Editorial Board Member of 4 journals – European Journal of Transport Infrastructure Research (1999), International Journal of Sustainable Transportation (2005), Logistics and Sustainable Transport (2005) and the European Review of Sustainable Energy Consumption (2005).

Editorial Board Member for the Journal Town Planning Reviews (1993- ).

Editor of the Routledge book series on Transport, Development and Sustainability (1999-2006 )

Member of the EPSRC LINK Future Integrated Transport Programme Advisory Group (1999-2004). Member of the Programme Advisory Group for the Inland Surface Transport LINK Programme (1996- ).  Member of the EPSRC Cities and Sustainability Panel (1994-1999). Member of the EPSRC Built Environment College (1994-2004 and Chair).  Assessor for the SERC Environmental Civil Engineering Committee and the Transportation Sub Committee (1991-1994).

Coordinator and Director of the ESRC Transport and the Environment Research Programme (1992-1996). Consultant to and Coordinator of the ESRC Transport Research Initiative (1987-1991). Vice Chair of the Planning Research Courses recognition panel (2004). Adviser to the ESRC on the 5th Framework Research Programme on Transport and Sustainability Issues (1997).  ESRC Assessor on the SERC Transport Sub Committee (1987-1991).  Member of the SERC Transport Sub Committee (1985-1986). Member of the SERC /ESRC Transport Committee (1983-1985).

Member of the HEFCE RAE team for Town and Country Planning (1998-2001 and 2002-2008).

National Coordinator of the European Science Foundation's Network for European Communication and Transportation Activities Research (1986-95) and the EU STELLA/STAR TransAtlantic research network (2000-2004).

Member of the Department of the Environment, Transport and the RegionsPlanning Research Advisory Group (1996-2000) and of the ODPM Planning Research Network (2003-    ).