The old water ferry no longer runs, but Queensferry remains the croseng point for modern-day travelers in their motorized machines.
The Queensferry is the fastest way to get across the water.  
mnli hypothesis: The Queensferry is the fastest way to get across the water.   premise: The old water ferry no longer runs, but Queensferry remains the croseng point for modern-day travelers in their motorized machines.