In reply to paul mitchell:
In my experience, they are best avoided. We stayed at this place last year:
http://www.les-oyats.com/
Looks lovely doesn't it? In reality it was full of French benefit tourists. (Fights in the night, enthusiastic shagging in the shower stalls, kids scrounging for money)
My kids call Formula 1 motels "Sperm Banks", Campanile motels can be pretty ropey as well.
If I was you, I'd find/ pre-arrange a nice rural one star hotel, 5 mins off the AutoRoute.