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Welcome to our M4 traffic search page.

The traffic news and updates for the M4 motorway are updated by the minute during the day and overnight to help you find the latest M4 traffic news for today.

We feature M4 traffic news relevant to today, current M4 traffic reports and updates.

Information about M4 roadworks.

Information about the latest congestion on the M4 that could delay your journey down the M4 motorway.

M4 accidents, incidents and other delays.

Thank you for using M4Traffic.co.uk we do our best to feature the latest M4 motorway news to help you avoid the congestion and delays using the M4.

Come regularly to see our latest M4 updates!

27 M4 Traffic News Updates

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m4 traffic news updateM4 eastbound between J3 and J2 | Eastbound | Congestion
Sat, 21 Mar 2026 18:14:22 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound between junctions J3 and J2 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 18:15 and 18:30 on 21 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound within J2 | Westbound | Congestion
Sat, 21 Mar 2026 18:12:29 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J1 and J2 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 18:15 and 18:30 on 21 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 J4 westbound exit | Westbound | Congestion
Sat, 21 Mar 2026 16:03:21 GMT

M4 Current Traffic Incidents

Location : The M4 westbound exit slip at junction J4 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 16:00 and 16:15 on 21 March 2026.
 
m4 traffic news updateM4 eastbound between J5 and J4B | Eastbound | Congestion
Sat, 21 Mar 2026 15:49:25 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound between junctions J5 and J4B . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 15:45 and 16:00 on 21 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound between J7 and J8 | Westbound | Broken down vehicle
Sat, 21 Mar 2026 15:27:33 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J7 and J8 . Lane Closures : Lane one is closed. Reason : Broken down vehicle. Status : Currently Active. Time To Clear : The event is expected to clear between 16:00 and 16:15 on 21 March 2026. Return To Normal : Normal traffic conditions are expected between 16:00 and 16:15 on 21 March 2026. Lanes Closed : There is one of four lanes closed.
 
m4 traffic news updateM4 eastbound between J5 and J4B | Eastbound | Accident
Sat, 21 Mar 2026 15:24:35 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound between junctions J5 and J4B . Lane Closures : The hard shoulder, lanes 1 and 2 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 16:30 and 16:45 on 21 March 2026. Return To Normal : Normal traffic conditions are expected between 16:30 and 16:45 on 21 March 2026. Lanes Closed : There are two of five lanes closed.
 
m4 traffic news updatelink road from M5 J15 to M4 J20 westbound | Westbound | Congestion
Sat, 21 Mar 2026 12:54:24 GMT

M4 Current Traffic Incidents

Location : The M4 westbound entry slip at junction J20 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 13:00 and 13:15 on 21 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound between J20 and J21 | Westbound | Accident
Sat, 21 Mar 2026 12:20:15 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J20 and J21 . Lane Closures : Lane two is closed. Reason : Road traffic collision. Status : Currently Active. Lanes Closed : There is one of two lanes closed.
 
m4 traffic news updatelink road from M5 J16 northbound to M4 J20 westbound | Westbound | Congestion
Sat, 21 Mar 2026 12:17:23 GMT

M4 Current Traffic Incidents

Location : The M4 westbound entry slip at junction J20 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 12:15 and 12:30 on 21 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound within J20 | Westbound | Congestion
Sat, 21 Mar 2026 11:57:21 GMT

M4 Current Traffic Incidents

Location : The M4 westbound at junction J20 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 12:00 and 12:15 on 21 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
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