References
- BEDFORDSHIRE COUNTY COUNCIL , 1980 , Ml motorway personal injury accidents , 1976 – 1979 .
- HARMS , P. L. , 1968 , Driver-following studies on the M4 motorway during a holiday and a normal weekend in 1966 . RRL Report LR 136, Ministry of Transport, Crowthorne ( Road Research Laboratory ).
- HER MAJESTY'S STATIONERY OFFICE , 1978 , The Highway Code ( London HMSO ).
- RESEARCH SERVICES , 1976 , Separation distances. Advertising Campaign Evaluation .
- SUMNER , R. , and BAGULEY , C. , 1978 , Close-following behaviour at two sites on rural two lane motorways . Transport and Road Research Laboratory Report 859, Crowthorne .
- TRANSPORT AND ROAD RESEARCH LABORATORY , 1975 , The minimum braking distance obtained with some cars and heavy goods vehicles . TRRL leaflet LF 537 .
- WILSON , T. , POSTANS , R. , and GARROD , G. , 1981 , Lorry and coach overtaking on the motorway . Technology Assessment and Applied Psychology Unit , Cranfield Institute of Technology , Cranfield , Bedford MK43 0AL .