§ Mr. Marlowasked the Minister of Transport if he will publish the following ratios on trunk roads overall: (a) day movements to night movements, (b) day accidents to night accidents and (c) accidents at night prior to lighting schemes to accidents at night subsequent to lighting schemes.
§ Mr. Kenneth ClarkeI regret that the information requested cannot be provided except at disproportionate cost. However the following information is available
- (a) Ratio of day movements to night movements (vehicle-kilometres) in April: 9 to 1 (motorways), 7 to 1 (class 'A' roads).
- (b) Ratio of daylight to darkness accidents in 1979: 2.1 to 1 (all roads), 1.9 to 1 (non built-up areas), 2.2 to 1 (built-up areas), 2.0 to 1 (motorway).
Built-up areas cover roads with a speed limit of 40 mph or less.