M4 Junction 21

Junction 21 of the M4 sits at Awkley Interchange, linking the motorway with the M48. It is 3.8 miles westbound to Junction 22, and 1.6 miles eastbound to Junction 20. Magor services are the nearest place to break the journey, about 11.7 miles away.

Junction 21 of the M4 sits 0.6 miles south-west of Tockington. The next sizeable centre is Bradley Stoke, 2.6 miles south-east. Inside the two-mile circle on the map below you will find 2 EV charging points, 2 places to eat and drink and 2 green spaces.

Junction 21 is where the M4 meets the M48, so it is not a great junction to leave the motorway.

More on the M4: M4 guide