HC Deb 26 February 1981 vol 999 c439W
Mr. Marlow

asked the Secretary of State for Transport what criterion of the incidence of night-time personal injury accidents over a three-year period he uses before considering street lighting for a stretch of trunk road.

Mr. Kenneth Clarke

Each scheme is given a merit rating which takes account of the average night-time personal injury accidents over three years on the relevant length of road, offsets the expected savings in the cost of accidents against the operating costs of the lighting and relates the balance to the capital cost of the installation.

We are about to introduce a more flexible form of this merit rating procedure to allow other considerations to be taken into account in future years.