.2  The separation of opposing streams of traffic by natural obstructions and geographically defined objects

Figure 2  Separation of traffic by natural obstructions

This method is used where there is a defined area with obstructions such as islands, shoals or rocks restricting free movement and providing a natural division for opposing traffic streams.

.3  The separation of through and local traffic by providing inshore traffic zones

Figure 3  Inshore traffic zones

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