Before revision: Crossing Top: Without current, Bottom : Strong current from the left If a ship wants to cross a traffic-lane it should do so at a right angle to avoid endangering ship traffic using the traffic-lanes (although traffic in the lane does not automatically have the right-of-wayCollision of the Cornelis Vrolijk and the ferry Primrose (Dutch), visited 20 November 2009).
After revision: Crossing Top: Without currentBottom : Strong current from the left If a ship wants to cross a traffic-lane it should do so at a right angle to avoid endangering ship traffic using the traffic-lanes (although traffic in the lane does not automatically have the right-of-wayCollision of the Cornelis Vrolijk and the ferry Primrose (Dutch), visited 20 November 2009).