HC Deb 31 May 1961 vol 641 c17W
47. Mr. du Cann

asked the Minister of Transport why a 50 miles-per-hour speed limit was imposed upon certain roads in Somerset over the Whitsun holiday.

Mr. Marples

This speed limit forms part of an extended experiment being carried out this year on many lengths of trunk road throughout the country. Results of a similar experiment last summer were encouraging but not conclusive. I therefore decided to impose the 50 m.p.h. limit on fifteen weekends this year, including Whitsun, to help me assess its full value.

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