Map of each country's stop sign shape.
  Countries and territories that use octagonal stop signs (8 sides).
  Countries and territories that historically used circular stop signs but now use octagonal stop signs.
  Countries and territories that use triangular stop signs (3 sides).
  Countries and territories that historically used triangular stop signs but now use octagonal stop signs.
  Countries and territories that use circular stop signs.
  Unknown.
This vector image includes elements that have been taken or adapted from this file:
Avelludo