§ Mrs. Ewingasked the Secretary of State for Scotland what is the extent of under-road heating in Scotland.
§ Mr. RossBecause of its high cost under-road heating is employed only at a few specially selected locations where icy conditions would cause exceptional hazards.
§ Mrs. Ewingasked the Secretary of State for Scotland what estimate he has made of the present capital costs for under-road heating in Scotland.
§ Mr. RossWhere electric power supplies are at hand the cost of installing road heating is estimated to average about £3 10s. per square yard of carriageway.