http://www.legislation.gov.uk/uksi/1992/1218/article/2/madeThe Road Traffic (Temporary Restrictions) Act 1991 (Commencement) Order 1992Speed limitsKing's Printer of Acts of Parliament2015-02-25ROAD TRAFFICThis Order brings the Road Traffic (Temporary Restrictions) Act 1991 into force on 1st July 1992. The Order contains transitional provisions.Commencement2The 1991 Act shall come into force on 1st July 1992.