Wigan Marcus Transport Research Institute (TRI) Napier University. Sightill Campus EH11 4BN Edinburgh UK +44-1314 553 200 +44-1314 553 202 m.wigan@napier.ac.uk http://www.cts.cv.ic.ac.uk/html/Staff/staffDetails.asp?id=MW http://oxsys@optusnet.com.au