A21 autoroute



The A21 autoroute is a toll free highway in north western France it is also known as the Rocade Minière. It is 57.6 km long.

In construction
Upgrade of N455 between Flers-en-Escrebieux and Pecquencourt which is the northern by-pass Douai.

Proposed
Upgrade of the N455 between Pecquencourt and Douchy-les-Mines and the A2.