TY - BOOK AU - Summersgill,I ED - Transport and Road Research Laboratory. TI - Safety performance of traffic management at major roadworks on motorways in 1982 T2 - Research report PY - 1985/// CY - Crowthorne PB - Traffic Systems Division, Traffic Engineering and Control Dept., Transport and Road Research Laboratory KW - Traffic safety KW - Great Britain KW - Traffic accidents KW - Roads KW - Maintenance and repair ER -