M4 live traffic
M4 traffic now
London to South West England. Live events are loaded from the official Traffic England source.
official live feed
What is happening on M4?
Current congestion, incidents and roadworks from Traffic England. Search the returned events or filter by type.
Loading current traffic data…
How to use this M4 traffic page
The list is a current snapshot of events returned for M4. Search by junction or place, or use the filters to separate congestion, incidents, roadworks and closures. A missing event is not a guarantee that the road is clear.
Coverage
The underlying feed is focused on the National Highways Strategic Road Network in England. Local-authority streets and roads outside England are not represented by this feed in the same way.