I like the roads question.
The two relevant parts being:
"Units with a speed of 30cm or more may make a counter charge move of 10cm.
Units with a speed of 25cm or less may make a counter charge
move of 5cm."
"Units that spend a whole move on a road may add 5cms to their move."
But surely, in that odd circumstance where a unit is assaulted on a road and gets to move 10cm, that's against the concept?
What I would take here as key, is the concept of the counter charge.
It was already discussed as to not trigger over-watch:
so I would suggest that although it is a 'move' it is a special move, outwith the concept set in over watch, and the bonus on roads.
Just out of interest, has it ever happened?