M4 Traffic Reports

M4 Traffic Reports and Updates

For the latest M4 traffic reports, use our dedicated M4 website. It covers the English section of the M4 from London to the Severn, and is updated every five minutes.

Where to Find M4 Traffic Reports Now

Go to our M4 traffic news page for every current report, or straight to the page you need:

Each report says where the problem is, which way it affects, and when National Highways expects it to clear, so you can decide quickly whether to change your plans.

M4 collisions in numbers

How often something happens on the M4, from the Department for Transport’s figures. This is why M4 traffic news changes so often.

about 250

reported injury collisions, 2025

on the M4, or roughly 5 a week. In 2024 there were about 220.

22%

were fatal or serious

The rest were recorded as slight. Every one of them can close a lane and hold up traffic for miles behind.

Source: Department for Transport road casualty statistics, reported injury collisions, 2024 and 2025. Rounded, as a guide rather than a precise count.

For facts about the road itself, its length, route and junctions, see about the M4 motorway.

Live example - one current item from today’s traffic news on the M4, refreshed every five minutes. It shows how our news is laid out; the full news is one click away.

M4 Traffic News

Good news - no hold-ups reported on the M4 right now!

Looks like a clear run - have a safe and smooth journey.

Conditions can change, and not every hold-up is reported instantly, so do check back before you travel. Our traffic news updates automatically throughout the day.

See all the latest M4 traffic news

Updated 16:12 (4:12pm) Sat 24 Oct 2026