§ Mr. W. T. Rodgersasked the Minister of Transport what was the original estimated construction cost per mile of the London-Birmingham M.1 motorway; what was the actual construction cost per 90W mile incurred; and what is the present estimated construction cost per mile of the north-west extension of M.1 for which tenders have been let, excluding in each case the cost of acquiring land.
§ Mr. MarplesThe original estimated construction cost of the main section of the London-Birmingham motorway' was £321,000 per mile. The actual construction cost, including the cost of repairs and improvements carried out and authorised to bring the motorway up to current design standards, is £431,000 per mile; this figure is subject to settlement of outstanding claims.
The estimated construction cost of the Crick-Stanton section of the northward extension of M.1, for which tenders have been let, is £680,000 per mile.
In each case the costs of administration and land are excluded.