Local radio information signs : a further experiment in South Yorkshire / di 201537 Owens, D.

Motorway access control: implementation and assessment of Britains first ramp metering scheme / di 201537 Owens, D., Schofield, M. J.

Driver response to experimental roadsigns which display local radio station frequencies/ di 201537 Owens, D., Transport and Road Research Laboratory (Great Britain)

Traffic incidents on the Ml motorway in Hertfordshire / di 201537 Owens, D., Transport and Road Research Laboratory (Great Britain)