All clear
Nothing reported at J21
No closures, collisions or restrictions in the feed for this junction. Incidents elsewhere on the M4 are on the road page.
Clear
No incidents reported at M4 J21 right now.
Updated 10:52 · refreshes every 5 min
No closures, collisions or restrictions in the feed for this junction. Incidents elsewhere on the M4 are on the road page.
J21 is a junction on the M4.
Junction details © OpenStreetMap contributors
See the whole route on M4 traffic, check M4 accidents, or look at M4 closures before you travel.