From Traveller Wiki - Science-Fiction Adventure in the Far future

Standard form of classification for worlds in terms of relative danger. As a service to spacefarers, the Travellers' Aid Society publishes travel zone classifications which indicate the degree of danger a world presents to visitors.

Standard classifications are Green (no danger), Amber Zone (caution advised), and Red Zone (severe danger).

This article was copied or excerpted from the following copyrighted sources and used under license from Far Future Enterprises and by permission of the author.

– Supplement 11 Library Data (N-Z)

– Adventure 1 The Kinunir

[edit] Non-Canon

Feel free to enter further information and/or personal experiences with this astrographical term.