http://www.legislation.gov.uk/uksi/1994/3004/article/4/madeThe A1 Trunk Road (Haringey) Red Route Traffic Order 1993 Variation Order 1994Roads and highwaysKing's Printer of Acts of Parliament2011-07-04ROAD TRAFFIC4In article 4, in paragraph (4)(b), for the words “2 hours” in both places where they occur substitute the words “3 hours”.