http://www.legislation.gov.uk/ukpga/1967/76/schedule/1/paragraph/20/enactedRoad Traffic Regulation Act 1967Speed limitsParking penaltiesRoad traffic offencesVehiclesTraffic managementKing's Printer of Acts of Parliament2023-03-02SCHEDULESSCHEDULE 1Scope of Traffic Regulation Orders that may be Made for Greater London.20Queues of persons waiting in streets.