Hey Gordon Brown.
You wrote.
"I noticed they flew through the lakes north to south. Have the flow arrows been removed or reversed?"
My dim, distant memory tells me that the very reason for the flow arrows being set up was because of a head on crash between a Tornado another FJ.
The late great John Watts was in the front seat of one of the machines.
A sad outcome caused by glaciation (topographical geography, not wheels of power).