A21 autoroute

{{Short description|Road in France}}

{{Expand French|topic=transp|date=January 2025}}

{{Infobox road

| country = FRA

| type = A

| route = 21

| alternate_name = Rocade Minière

| maint =

| image = Lens - A21 - 1.JPG

| image_notes = The A21 near Lens

| map = France_A2X_A21.svg

| length_km = 57.6

| established = 1978

| direction_a = West

| direction_b = East

| terminus_a = {{Jct|country=FRA|D|301}} in Bully-les-Mines,{{Jct|country=FRA|A|26}} in Bully-les-Mines

| terminus_b = {{plainlist|

}}

| junction =

| e-road =

}}

Image:A21 (France) Route marker.svg

The A21 autoroute is a toll free highway in north western France. It is also known as the Rocade Minière. It is {{convert|57.6|km|mi}} long.

Junctions

{{RJL|date=December 2021}}

=Completed=

border=1 cellpadding=2 style="margin-left:1em; margin-bottom: 1em; color: black; border-collapse: collapse;"
align="center" bgcolor="000000" style="color: white"

| Exit/Junction

| Destination

{{Motorway exit|1}}

|{{Jct|D|301|country=FRA}} Start of autoroute Towns at junction with {{Jct|D|937|country=FRA}} Towns served: Barlin

Image:Sinnbild Autobahnkreuz.svg 6

|(Aix-Noulette) Junction with {{Jct|A|26|country=FRA}} to Calais and Reims.

{{Motorway exit|7}}

|(Bully - Liévin) Towns served: Bully-les-Mines and Liévin

{{Motorway exit|8}}

|(Loos) Towns served: Lens

{{Motorway exit|9}}

|(Lens-nord) Towns Served: Lens

Image:Sinnbild Autobahnkreuz.svg 10

|(RN47) Towns Served: Lille via {{Jct|N|47|country=FRA}} and {{Jct|N|41|country=FRA}}

{{Motorway exit|11}}

|(Lens est) Towns served: Lens

{{Motorway exit|12}}

|(Loison) Towns Served: Carvin

{{Motorway exit|13}}

|(Lens-centre) Towns Served: Lens

Image:Sinnbild Autobahnkreuz.svg

|Junction with {{Jct|A|211|country=FRA}} spur to Lens (south) and {{Jct|N|17|country=FRA}}

{{Motorway exit|14}}

|(Noyelles-sous-Lens) Towns served: Noyelles-sous-Lens

{{Motorway exit|15}}

|(Fouquières-les-Lens) Towns Served: Fouquières-lès-Lens

{{Motorway exit|16}}

|(Hénin-Beaumont) Towns served: Hénin-Beaumont

Image:Sinnbild Autobahnkreuz.svg

|Junction with {{Jct|A|1|country=FRA}} to Paris and Lille

{{Motorway exit|17}}

|Noyelles-Godault Towns Served: Noyelles-Godault

{{Motorway exit|18}}

|(Courcelles-lès-Lens) Towns served: Courcelles-lès-Lens

{{Motorway exit|19}}

|(RN421) Towns served Douai and Cambrai (via {{Jct|N|43|country=FRA}})

{{Motorway exit|20}}

|Autoroute becomes the {{Jct|N|455|country=FRA}}

=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.