§ Dr. Roger Thomasasked the Secretary of State for Transport if he will publish in the Official Report how many lorries jack-knifed in fatal and serious accidents in each year between 1969 and 1981; and if he will give the corresponding figures or each country in Europe.
§ Mr. Kenneth ClarkeThe number of heavy goods vehicles which jack-knifed in injury accidents by severity of accident, in Great Britain in 1979 to 1980, were as follows:
Fatal Serious Slight All severities 1979 45 169 351 565 1980 38 165 267 470 Information on jack-knifing for years prior to 1979 and comparable information for other countries could be obtained only at disproportionate cost.