§ Mr. Kenneth Clarkeasked the Secretary of State for the Environment what are his priorities for the installation of further electrically-controlled fog and accident warning equipment on motorways; and how he proposes to identify those sections of motorway most prone to fog in order to put them in their proper place in these priorities.
§ Mr. Eldon GriffithsOn existing motorways priorities for the installation of the improved remotely controlled signal system are decided on safety grounds. In making my decisions, I take into account the views of the police on all hazards including fog.
344Wbut the figures for 1961, 1966 and 1969 are as follows:
On new motorways the improved system will be installed in time for the opening whenever possible.
§ Mr. Kenneth Clarkeasked the Secretary of State for the Environment how many people per mile were killed and injured each year on those stretches of motorway were electrically-controlled fog and accident warning systems were installed.
§ Mr. Eldon GriffithsFollowing are the figures for each completed calendar year of operation of the signals:
Numbers killed and injured per mile Motorway 1969 1970 M4 Severn Bridge 2.0 4.8 M4 Langley to Chiswick Viaduct — 2.1 M4 Chiswick Viaduct — 16.0 Ml West Riding — 2.0