§ Mr. Ashdownasked the Secretary of State for Transport if he will publish a list showing for each year since 1979 the residual life statistics derived from deflectograph surveys of the motorway network in each year.
§ Mrs. ChalkerRegular deflectograph surveys of the English motorway network started in 1983. Estimates from the 1983 and 1984 surveys give approximate residual live figures for the network as follows:—268W
Residual Life Proportion of Network 1983 1984 per cent. per cent. Up to 5 years 24 20 6 to 10 years 12 18 11 to 15 years 23 20 16 years and over 41 42 Small changes in these figures are not significant.