Originally Posted by
Efrem
Do these machines take non-chipped U.S. credit cards? The ticket machines at the CDG RER station don't, so we had to get ours at a staffed window, though we used them elsewhere in France without difficulty.
I don't think they do. But they do take coins (not notes

). At cdg there are change machines that convert bills to coins, saving waiting in line to purchase tickets from an agent--however, I have arrived at cdg and the change machines were not working.