http://www.legislation.gov.uk/uksi/1987/1862/article/2/madeThe London-Brighton Trunk Road (A23 Muddleswood Slip Roads) Order 1987Roads and highwaysRoad buildingKing's Printer of Acts of Parliament2012-06-12HIGHWAYS, ENGLAND AND WALES2The centre lines of the slip roads are indicated by heavy black lines on the deposited plan.