§ Mr. FrenchTo ask the Secretary of State for Transport how many roundabouts have been reduced in diameter each year for the last 10 years; and why.
§ Mr. AtkinsNumerical information of the kind requested is not collected. Reductions in the diameter of roundabouts are mainly made to improve efficiency and-or capacity.
§ Mr. FrenchTo ask the Secretary of State for Transport what was, for the five most recent years available, the number of road accidents which occurred at roundabouts; and whether the figures represent a growing or diminishing percentage of total road vehicle accidents.
§ Mr. AtkinsThe Department collects information only on road accidents involving personal injury. The information requested for personal injury road accidents is as follows:
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Personal injury road accidents at roundabouts: 1984 to 1988 Accidents at roundabouts All accidents Per cent, of accidents at roundabouts 1984 Fatal 70 5,138 1.36 Serious 1,884 62,048 3.04 All severities 11,592 253,183 4.58 1985 Fatal 64 4,768 1.34 Serious 1,884 60,286 3.13
Accidents at roundabouts All accidents Per cent, of accidents at roundabouts All severities 11,723 245,645 4.77 1986 Fatal 82 4,895 1.68 Serious 1,862 58,187 3.20 All severities 12,028 247,854 4.85 1987 Fatal 66 4,694 1.41 Serious 1,719 54,352 3.16 All severities 11,831 239,063 4.95 1988 Fatal 68 4,643 1.46 Serious 1,775 53,850 3.30 All severities 13,037 246,994 5.28 The figures show that there has been a slight increase in the percentage of road accidents occurring at roundabouts over the five-year period. The number of these accidents in which there were fatal or serious casualties has declined over the same period.