HC Deb 12 July 1972 vol 840 c355W
49. Mr. Ian Lloyd

asked the Secretary of State for the Environment what is the number of cases in which a reduction of speed limit from 40 to 30 miles per hour has followed the conversion of single-lane two ways roads to dual carriage-ways.

Mr. Eldon Griffiths

I know of no case other than that referred to by my hon. Friend earlier today.

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