HC Deb 05 July 1976 vol 914 cc402-3W
Mr. Ridley

asked the Secretary of State for the Environment what was the cost of building the special bays on the site of motorways for police vehicles to inspect motorway traffic.

Dr. Gilbert

The average cost of each police observation platform, is £1,500 at November 1975 prices; some 170 have been provided to date.