[Tournaments-HotA] Mirrors-2

any hero from castle to castle can reach it in one turn

The main problem with fast roads is like Kobra mentioned, you can reach any town in 1 day even with the slowest scout heroes. If I remember correctly, the original setting for h3dm1 was fast roads, and then it was changed to average roads, for exactly this reason. If we want to experiment, I'd suggest playing slow roads. ;)
I feel it's not a good idea to bring back fast roads, else it becomes week 1 rush-fest and endless scout fights.

I once played a mirror match with Lizard on fast roads, his Kyrre took my main on day 1 1 6, while going 2 days out of the way for a Griffin Conservatory and a prison. Isn't that an argument against fast roads?

well really the game on fast roads often comes down to meeting on day 1 2 1 (or even earlier)
you understand red with scouting because of the roads..