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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!

21 M4 Traffic News Updates

Page 1 of 3
m4 traffic news updateM4 eastbound between J18 and J17 | Eastbound | Road Works
Thu, 18 Dec 2025 11:12:21 GMT

M4 Roadworks

Location : The M4 eastbound between junctions J18 and J17 . Lane Closures : Lane three will be closed. Reason : Barrier repairs are planned. Status : Pending. Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025. Lanes Closed : There will be one of three lanes closed.
 
m4 traffic news updateM4 westbound between J17 and J18 | Westbound | Road Works
Thu, 18 Dec 2025 11:12:21 GMT

M4 Roadworks

Location : The M4 westbound between junctions J17 and J18 . Lane Closures : Lane three will be closed. Reason : Barrier repairs are planned. Status : Pending. Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025. Lanes Closed : There will be one of three lanes closed.
 
m4 traffic news updateM4 eastbound between J18 and J17 | Eastbound | Vehicle Recovery
Thu, 18 Dec 2025 09:53:02 GMT

M4 Current Traffic Incidents

Location : The M4 eastbound between junctions J18 and J17 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Vehicle tyre change. Status : Currently Active. Time To Clear : The event is expected to clear between 10:15 and 10:30 on 18 December 2025. Return To Normal : Normal traffic conditions are expected between 10:15 and 10:30 on 18 December 2025. Lanes Closed : There is one of three lanes closed.
 
m4 traffic news updateM4 J12 westbound exit | Westbound | Congestion
Thu, 18 Dec 2025 09:27:57 GMT

M4 Current Traffic Incidents

Location : The M4 westbound exit slip at junction J12 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 09:30 and 09:45 on 18 December 2025.
 
m4 traffic news updateM4 westbound at the Reading services between J11 and J12 | Westbound | Congestion
Thu, 18 Dec 2025 08:37:21 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J11 and J12 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 08:30 and 08:45 on 18 December 2025. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound between J11 and J12 | Westbound | Accident
Thu, 18 Dec 2025 08:07:26 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J11 and J12 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Lanes Closed : There is one of four lanes closed.
 
m4 traffic news updateM4 westbound between J1 and J2 | Westbound | Road Works
Wed, 17 Dec 2025 21:47:17 GMT

M4 Roadworks

Location : The M4 westbound between junctions J1 and J2 . Reason : Roadworks. Status : Currently Active. Period : from 21:46 on 17 December 2025 to 05:00 on 18 December 2025. Lanes Closed : All lanes are closed.
 
m4 traffic news updateM4 westbound between J21 and J22 | Westbound | Congestion
Wed, 17 Dec 2025 21:39:24 GMT

M4 Current Traffic Incidents

Location : The M4 westbound between junctions J21 and J22 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 21:30 and 21:45 on 17 December 2025. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 J19 westbound exit | Westbound | Congestion
Wed, 17 Dec 2025 17:45:30 GMT

M4 Current Traffic Incidents

Location : The M4 westbound exit slip at junction J19 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:45 and 18:00 on 17 December 2025. Delay : There are currently delays of 10 minutes against expected traffic.
 
m4 traffic news updateM4 westbound within J20 | Westbound | Congestion
Wed, 17 Dec 2025 17:35:36 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 17:30 and 17:45 on 17 December 2025. Delay : There are currently delays of 10 minutes against expected traffic.
 
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