A21 autoroute
| A21 autoroute | |
|---|---|
| Rocade Minière | |
The A21 near Lens | |
| Route information | |
| Maintained by DIR Nord | |
| Length | 57.6 km (35.8 mi) |
| Existed | 1978–present |
| Major junctions | |
| West end | D 301 / E15 / A 26 in Bully-les-Mines |
| East end | E19 / A 2 in Douchy-les-Mines |
| Location | |
| Country | France |
| Highway system | |
| |
The A21 autoroute is a toll free highway in north western France. It is also known as the Rocade Minière. It is 57.6 kilometres (35.8 mi) long.