Details of Grant 

EPSRC Reference:	GR/K95697/01
Title:	IMPROVED ESTIMATES OF THE EFFECTS OF ACCIDENT REMEDIAL SCHEMES
Principal Investigator:	Mountain, Dr L
Other Investigators:	Maher, Professor M
Researcher Co-Investigators:
Project Partners:
Department:	Civil Engineering
Organisation:	University of Liverpool
Scheme:	Standard Research (Pre-FEC)
Starts:	01 March 1996	Ends:	28 February 1998	Value (£):	90,485
EPSRC Research Topic Classifications:	Transport Ops & Management
EPSRC Industrial Sector Classifications:
Related Grants:
Panel History:
Summary on Grant Application Form
With the annual cost to the nation of road traffic accidents exceeding 10,000 million, traffic accidents continue to have serious social and economic implications and the effective targeting of road safety budgets is essential. While researchers and practitioners in the field of accident analysis have long been aware of the problems of basing remedial sire selection and the evaluation of treatment effectiveness on observed accident frequencies, they continue to be used due to initiative appeal, the ready availability or data and user friendly software and lack of viable alternative. The proposed project will attempt to combine the advantages to traffic counts with a level of reliability of genuine value to practitioners. The project will use the database established in previous projects to extract further information (on severity, road surface conditions, and lighting conditions) to develop disaggregate predictive models and use these to develop an empirical bayes (BE) procedure to estimate expected accident frequencies. New data will be collected for sites included in local authority accident remedial programmes during three periods: the identification period in which the site satisfied the programme selection criteria; the period between identification and treatment (the lag period); and the period after treatment. These data will be used to validate the BE method; to assess its benefits in terms of site selection and in the evaluation of effectiveness of remedial treatment; and to re-assess the effects of various types of treatment.
Key Findings
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Potential use in non-academic contexts
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Organisation Website:	http://www.liv.ac.uk