http://www.legislation.gov.uk/uksi/1990/2533/schedule/4/paragraph/21/made
The A1 Trunk Road (Haringey) Red Route Experimental Traffic Order 1990
Buses
Roads and highways
Vehicles
Rest
Transport for disabled people
King's Printer of Acts of Parliament
2012-02-03
ROAD TRAFFIC
The A1 Trunk Road (Haringey) Red Route Experimental Traffic Order 1990
Instrument
The A1 Trunk Road (Haringey) Red Route Experimental Traffic Order 1992
art.12(2)(a)