Systems of inbound and outbound lanes to promote safe flow are known as

• A. Traffic separation schemes
• B. Vessel routing lanes
• C. Channel management schemes
• D. Navigation corridors

Answer: (A)

Traffic separation schemes are designated routes in busy sea areas that create inbound and outbound lanes to separate opposing traffic and keep flows predictable. By assigning specific lanes for each direction, these schemes reduce head-on and crossing collisions and help ships navigate crowded routes safely. They’re published by the IMO and shown on nautical charts, and mariners are expected to follow the lane corresponding to their direction and avoid entering the opposite traffic space. If crossing the scheme is necessary, do so at right angles to minimize interference with traffic. The other terms may describe routing concepts, but they aren’t the established term for this safety arrangement.