M4Traffic.co.uk

M4 Traffic is part of the UK Traffic News network.

UK Traffic News is our central independent traffic news website which features the latest traffic news from around the UK.

M4 Traffic is however dedicated to M4 traffic news, M4 traffic reports and information about M4 delays and roadworks.

M4 Traffic is one of our regional or motorway specific websites.

If you are interested particulary in M4 traffic or looking for a website that specialises in M4 traffic or a website dedicated to M4 traffic then that is exactly what M4 Traffic.co.uk is all about.

Information about the M4 Motorway

M4 Traffic also features news, updates and other information about the M4 motorway.

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Latest accident or incident on the M4

The most recent accident or incident on the M4 that we are aware of.

Good news - no accidents or incidents currently reported on the M4.

Latest active roadworks on the M4

Roadworks live on the M4 right now.

M4 westbound Jct 21 to 22 lane closure 194/2-195/0
Active nowRoadworksWestbound

Time now: Tuesday, 21 July 2026, 21:40

21:2821 Jul 2026reported 11 min ago

Location
M4 westbound between J21 and J22

Direction
Westbound

Lanes closed
Lane closures

Reason
Maintenance work

Schedule
19:44 Tue 21 Jul → 06:00 Wed 22 Jul

⏳Expected to clear in ~8h 19m HA planned end: 06:00 Wed 22 Jul

+ 2 more active roadworks - search all M4 traffic news →

Latest planned roadworks on the M4

The next planned roadworks scheduled on the M4.

No planned roadworks currently listed for the M4.

Search all the latest M4 traffic news →

Updated 21:40, Tue 21 Jul 2026

M4Traffic.co.uk

Information about the M4 Motorway

M4 westbound Jct 21 to 22 lane closure 194/2-195/0