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Jonas' route was already avoiding that road, so he won't be affected by the detour or penalty.
Ian (16) and Geoffroy (93) are just outside Turda so they'll need to take the detour via Campeni (or otherwise) or face a penalty (I think they've still got time to take the E81 and avoid the bigger time penalty if they want).
Mathias (23) is also on a different route and should be able to avoid it without time penalty.
Greenbank-
Geoffroy (93) appears to have started on the banned road. I wonder if he hasn't had chance to read about the banned road and is just pressing on with his route or has decided to take the time penalty.
It looks like Ian (16) has stopped, assuming for re-routing so will probably see him avoid the E81 road.
With the penalties to the front two and Geoffroy (weather aware of it or not) and Ian having to re-route it looks like Jonas (60) is safely on the podium.
DiscoPotato
suggests Bjorn and James will get time penalties. Assuming the penalty isn't so big, it won't impact the race too much as they're quite a bit ahead.