R. D. Hall

The Cedar Project: Charging Electronically By Distance and Road

Phil Harris, John Walker, Philip Martlew, 2009 .

Accidents at four-arm roundabouts

R. D. Hall, G. Maycock, 1984 .

Research into accidents at junctions

R. D. Hall, 1987 .

Accidents at urban mini-roundabouts

R. D. Hall, J. V. Kennedy, S. R. Barnard, 1997 .