Summersgill, I <br/><br/>
Safety performance of traffic management at major roadworks on motorways in 1982 / 
by I. Summersgill. 
 - Crowthorne :  Traffic Systems Division, Traffic Engineering and Control Dept., Transport and Road Research Laboratory,  1985. 
 - 24 p. 
 - Research report /  42 .
 - Research report (Transport and Road Research Laboratory) ; .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Traffic safety--Great Britain.<br/>Traffic accidents--Great Britain.<br/>Roads--Maintenance and repair.--Great Britain