The current answer
Transit apps by city, ticketing systems that require local payment methods, and lounge access schemes.
This page is still being built. Until it is complete, verify independently using the sources below. The method in the book does not change; the specifics do.
Where to verify it yourself
- Transit operators directly
- Airport authority websites
What the book says
See Phase 6 §5. The book teaches the method for working this out. This page carries whatever the current specifics happen to be.
What changed and when
No revisions yet.