Outer Circle

Outer Circle may refer to:

• Birmingham Outer Circle, the longest urban bus route in Europe.
• Outer Circle (London), a railway route in London in the late 19th and early 20th centuries.
  • The related Super Outer Circle.
• The former Outer Circle railway line, Melbourne.
  • Now the Outer Circle Trail.
• One of Kachru's Three Circles of English; see World Englishes.
• Inner/outer directions, a method of labeling direction of travel for geographic loops.
• Outer Circle (addiction recovery), the outermost of three circles in the addiction-recovery diagram.