asked the Minister of Transport what have been the 16-hour Friday flows for heavy goods vehicles on the Ml between junctions 9 and 10, 25 and 26 and 36 and 37 for each of the last 36 weeks.
I refer my hon. Friend to the reply I gave him on 10 June 1980, which stated that only monthly information is available.—[Vol. 986, c. 126.]