Most of the A10 is a toll road, but it is free north of the N104, near Paris, between exits 20 and 22 in Tours, and south of the N10 (exit 39), near Bordeaux.
The A10 highway is mostly a toll road, however, there are sections that are free to use north of the N104 near Paris between exits 20 and 22 in Tours, and south of the N10 (exit 39) near Bordeaux.