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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!

13 M4 Traffic News Updates

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m4 traffic news updateM4 westbound between J19 and J20 | Westbound | Congestion
Sun, 29 Mar 2026 21:07:06 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J19 and J20 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 22:00 and 22:15 on 29 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound between J19 and J20 | Westbound | Congestion
Sun, 29 Mar 2026 20:47:35 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J19 and J20 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 21:45 and 22:00 on 29 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 eastbound between J10 and J8 | Eastbound | Accident
Sun, 29 Mar 2026 18:57:18 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound between junctions J10 and J8 . Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 21:00 and 21:15 on 29 March 2026. Return To Normal : Normal traffic conditions are expected between 21:00 and 21:15 on 29 March 2026. Lanes Closed : There are lane closures.
 
m4 traffic news updatelink road from M25 J15 clockwise to M4 J4B westbound | Westbound | Vehicle Recovery
Sun, 29 Mar 2026 17:37:44 GMT

M4 Current Traffic Incidents

Location : The M4 westbound entry slip at junction J4B from M25 clockwise. Reason : Vehicle tyre change. Status : Currently Active. Time To Clear : The event is expected to clear between 19:15 and 19:30 on 29 March 2026. Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 29 March 2026. Lanes Closed : There are lane closures.
 
m4 traffic news updateM4 westbound between J4 and J4B | Westbound | Accident
Sun, 29 Mar 2026 17:29:54 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J4 and J4B . Lane Closures : Lanes 1 and 2 are closed. Reason : Road traffic collision. Status : Currently Active. Lanes Closed : There are two of five lanes closed.
 
m4 traffic news updateM4 westbound between J4B and J5 | Westbound | Congestion
Sun, 29 Mar 2026 16:37:21 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J4B and J5 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:30 and 17:45 on 29 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound between J4B and J5 | Westbound | Accident
Sun, 29 Mar 2026 16:28:27 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J4B and J5 . Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed. Reason : Road traffic collision. Status : Currently Active. Lanes Closed : There are three of four lanes closed.
 
m4 traffic news updateM4 J4 westbound access | Westbound | Accident
Sun, 29 Mar 2026 16:18:44 GMT

M4 Current Traffic Incidents

Location : The M4 westbound entry slip at junction J4 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 18:15 and 18:30 on 29 March 2026. Return To Normal : Normal traffic conditions are expected between 18:15 and 18:30 on 29 March 2026. Lanes Closed : There is one of two lanes closed.
 
m4 traffic news updateM4 J18 eastbound exit | Eastbound | Congestion
Sun, 29 Mar 2026 16:08:19 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound exit slip at junction J18 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:00 and 17:15 on 29 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 J18 eastbound exit | Eastbound | Congestion
Sun, 29 Mar 2026 14:34:30 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound exit slip at junction J18 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 15:30 and 15:45 on 29 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.
 
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