P. E. Firmin

FREIGHT ROAD USER VALUATIONS OF THREE DIFFERENT ASPECTS OF DELAY

A S Fowkes, G Tweddle, A E Whiteing, 2001 .

Evaluation of the London driver information system: results from the CLEOPATRA study

Nick Hounsell, Peter Bonsall, Ben Waterson, 2000 .

Perception of VMS effectiveness: a British and Canadian perspective

P. E. Firmin, J. J. Cheng, 2004 .

Variable message signs in London: evaluation in CLEOPATRA

Peter Bonsall, Nick Hounsell, Kiron Chatterjee, 1998 .