Ships' Routeing, 2025 Edition is the International Maritime Organization's reference for every routeing measure IMO has adopted, from traffic separation schemes to areas to be avoided. This edition includes all measures adopted before September 2025.

Edition at a glance

What's inside

• Traffic separation schemes and inshore traffic zones
• Deep-water routes
• Areas to be avoided and no-anchoring areas
• Recommended tracks, two-way routes and recommended directions of traffic flow
• Archipelagic sea lanes
• Mandatory ship reporting systems
• Associated rules and recommendations on navigation

How the book is organised

It opens with IMO's General Provisions on Ships' Routeing, which set out how routeing measures are designed, adopted and shown on charts. The following parts give the text and coordinates of each adopted measure, grouped by type of measure and then by sea area.

Who needs it

Navigating officers and masters planning passages, ship operators, VTS and coastal authorities, and anyone who needs the official text of IMO routeing measures.

Formats

Available as an English print book or as an English IMO e-reader edition. The digital edition opens in IMO's e-reader app.