Traffic circular; Supplement to Traffic Circular No: 3 issued: 10th April 1991.

• Physical description

  Dimensions

  Attribute	Value
  Height	297Mm
  Width	210Mm

  Colour

  Attribute	Value
  Colour	White.

  Item content

  Attribute	Value
  Text	Underground Ticketing System Handbook August 1990. Amendments referring to Fares Revision of Sunday, 6th January, 1991.

• People involved

  Role	Person(s) involved
  Printer	R & R,
  Publisher	London Underground Ltd., 1991

• Associated companies, people and places

  Company

  Attribute	Value
  Line	ALL, April 1991.