It connects the A11 at Angers to the A71 at Vierzon.
It starts at the Péage de Corzé north of Angers and in 1997 went to Bourgueil.
In 2007 the Bourgueil to Langeais 26 km extension was opened.
In December 2007 the remaining Azay-le-Rideau to Theillay section opening making 206 km in total.
This article about road transport in France is a stub.