Apologies for cross-posting. Abstracts can be submitted here: http://goo.gl/LQBGa1 Regards John Parkin, Professor of Transport Engineering View my publications at: http://eprints.uwe.ac.uk/view/author/Parkin=3AJohn=3A=3A.html University of the West of England, Centre for Transport and Society Frenchay Campus, Coldharbour Lane Bristol, BS16 1QY, UK t: +44 (0)117 32 86367 m: +44 (0)7848 029 902 Skype: john.parkin9, Twitter: @JohnParkin28 www.uwe.ac.uk/research/cts<http://www.uwe.ac.uk/research/cts>