§ Mr. Sproatasked the Secretary of State for Scotland what is the average cost per mile, at the most recent date, for constructing a trunk road in the Highland Region.
§ Mr. William RossConstruction costs vary widely depending on, for example, the width of carriageways, the nature of the ground, the number of bridges needed, and amount of soil to be shifted. The average cost per mile for the three schemes completed in 1974 was about £150,000; in each case, a 19½ ft. carriage-way was provided.
§ Mr. Sproatasked the Secretary of State for Scotland what is the average cost per mile, at the most recent date, of maintenance of a trunk road in the Highland Region.
§ Mr. William RossAbout £1,800, in the financial year 1974–75.