BOTH INTERNATIONAL & INLAND Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as __________.

Correct Answer: Option B — traffic separation schemes

Under Inland Navigation Rules, for the condition where 'Systems of inbound and outbound lanes to promote the safe flow of vessel traffic in certain areas around the world are known as', the correct requirement is: 'traffic separation schemes'. This standard ensures clear navigational intent and collision avoidance.