HC Deb 21 April 1975 vol 890 c208W
Mr. Dudley Smith

asked the Secretary of State for the Environment what was the mileage of all-purpose dual carriageways in use on trunk roads on 31st March 1975.

Mr. Carmichael

The length of all-purpose dual-carriageway trunk roads in England as at 31st March 1975 was 1,245 miles.