The M4 is a major motorway that connects London and South West England, running from London to South Wales. It is a vital part of the UK transport network and economy, but it can also be affected by roadworks, accidents and congestion.
Latest M4 Congestion Reports
- No Reported Congestion
If you are planning to travel on the M4 motorway, you need to stay updated with the latest traffic news and information.
Live M4 Accident Updates
- No Reported Accidents
Traffic delays for the M4 motorway in Southern England. Latest travel news from UK Traffic Delays official open source data.
Westbound M4 Roadworks and Delays
link road from A329(M) eastbound to M4 J10 westbound | Westbound | Road Works | Wokingham
Location : The M4 westbound entry slip at junction J10 . Lane Closures : Lane one will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 April 2024 to 25 April 2024. Lanes Closed : All lanes will be closed.
Wokingham M4 Live Travel Updates
Tue, 16 Apr 2024 20:11:02 GMTM4 J5 westbound exit | Westbound | Road Works | Slough
Location : The M4 westbound exit slip at junction J5 . Lane Closures : Lane one will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:00 from 22 April 2024 to 26 April 2024. Schedule : From 23:00 on 26 April 2024 to 06:00 on 27 April 2024. Schedule : Expect disruption everyday between 22:00 and 05:00 from 29 April 2024 to 3 May 2024. Schedule : From 23:00 on 3 May 2024 to 06:00 on 4 May 2024. Lanes Closed : There will be one of two lanes closed.
Slough M4 Live Travel Updates
Tue, 16 Apr 2024 08:41:05 GMTlink road from M25 J15 clockwise to M4 J4B westbound | Westbound | Road Works | Slough
Location : The M4 westbound entry slip at junction J4B from M25 clockwise. Lane Closures : Lane one will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 April 2024 to 24 April 2024. Lanes Closed : All lanes will be closed.
Slough M4 Live Travel Updates
Mon, 15 Apr 2024 21:12:46 GMTM4 westbound within J12 | Westbound | Road Works | West Berkshire
Location : The M4 westbound between junctions J11 and J12 . Reason : Roadworks scheme. Status : Currently Active. Period : from 20:05 on 15 April 2024 to 06:00 on 27 April 2024.
West Berkshire M4 Live Travel Updates
Mon, 15 Apr 2024 19:05:40 GMTM4 westbound within J12 | Westbound | Road Works | West Berkshire
Location : The M4 westbound. Reason : Roadworks scheme. Status : Currently Active. Period : from 20:03 on 15 April 2024 to 06:00 on 19 July 2024.
West Berkshire M4 Live Travel Updates
Mon, 15 Apr 2024 19:04:27 GMTM4 westbound between J15 and J16 | Westbound | Road Works | Swindon
Location : The M4 westbound between junctions J15 and J16 . Lane Closures : Lane one will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 07:00 and 16:00 from 22 April 2024 to 24 April 2024. Lanes Closed : There will be one of four lanes closed.
Swindon Live M4 Travel News
Mon, 15 Apr 2024 06:11:39 GMTM4 westbound between J18 and J19 | Westbound | Road Works | South Gloucestershire
Location : The M4 westbound between junctions J18 and J19 . Lane Closures : Lanes 1 and 2 will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 19 April 2024 to 06:00 on 20 April 2024. Lanes Closed : There will be two of three lanes closed.
South Gloucestershire Live M4 Travel News
Fri, 12 Apr 2024 19:37:04 GMTM4 westbound between J13 and J14 | Westbound | Road Works | West Berkshire
Location : The M4 westbound between junctions J13 and J14 . Reason : Roadworks. Status : Currently Active. Period : from 20:10 on 2 October 2023 to 06:00 on 31 August 2024.
West Berkshire M4 Live Travel Updates
Fri, 12 Apr 2024 19:11:37 GMTM4 westbound within J12 | Westbound | Road Works | West Berkshire
Location : The M4 westbound. Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 22 April 2024 to 06:00 on 23 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 24 April 2024 to 27 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 April 2024 to 17 May 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 20 May 2024 to 24 May 2024. Lanes Closed : All lanes will be closed.
West Berkshire M4 Live Travel Updates
Fri, 12 Apr 2024 15:22:27 GMTM4 westbound at the Reading services slip road between J11 and J12 | Westbound | Road Works | West Berkshire
Location : The M4 westbound exit slip at Reading Services. Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 22 April 2024 to 06:00 on 23 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 24 April 2024 to 27 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 April 2024 to 17 May 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 20 May 2024 to 24 May 2024. Lanes Closed : All lanes will be closed.
West Berkshire M4 Live Travel Updates
Fri, 12 Apr 2024 15:22:27 GMTM4 westbound at the Reading services between J11 and J12 | Westbound | Road Works | West Berkshire
Location : The M4 westbound between junctions J11 and J12 . Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 22 April 2024 to 06:00 on 23 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 24 April 2024 to 27 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 April 2024 to 17 May 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 20 May 2024 to 24 May 2024. Lanes Closed : All lanes will be closed.
West Berkshire M4 Live Travel Updates
Fri, 12 Apr 2024 15:22:27 GMTM4 westbound within J11 | Westbound | Road Works | Reading
Location : The M4 westbound at junction J11 . Lane Closures : Lanes 1, 2 and 3 will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 22 April 2024 to 06:00 on 23 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 24 April 2024 to 27 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 April 2024 to 17 May 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 20 May 2024 to 24 May 2024. Lanes Closed : All lanes will be closed.
Reading M4 Live Travel Updates
Fri, 12 Apr 2024 15:22:26 GMTM4 J12 westbound exit | Westbound | Road Works | West Berkshire
Location : The M4 westbound exit slip at junction J12 . Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 22 April 2024 to 06:00 on 23 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 24 April 2024 to 27 April 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 29 April 2024 to 17 May 2024. Schedule : Expect disruption everyday between 21:00 and 06:00 from 20 May 2024 to 24 May 2024. Lanes Closed : All lanes will be closed.
West Berkshire M4 Live Travel Updates
Fri, 12 Apr 2024 15:22:26 GMTM4 J5 westbound access | Westbound | Road Works | Slough
Location : The M4 westbound entry slip at junction J5 . Lane Closures : Lane one will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 May 2024 to 9 May 2024. Lanes Closed : All lanes will be closed.
Slough M4 Live Travel Updates
Fri, 12 Apr 2024 10:07:03 GMTM4 J7 westbound exit | Westbound | Road Works | Buckinghamshire
Location : The M4 westbound exit slip at junction J7 . Lane Closures : Lanes 1 and 2 will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 25 April 2024 to 06:00 on 26 April 2024. Lanes Closed : All lanes will be closed.
Buckinghamshire M4 Live Travel Updates
Fri, 12 Apr 2024 08:34:35 GMTM4 J7 westbound access | Westbound | Road Works | Buckinghamshire
Location : The M4 westbound entry slip at junction J7 . Lane Closures : Lanes 1 and 2 will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 26 April 2024 to 06:00 on 27 April 2024. Lanes Closed : All lanes will be closed.
Buckinghamshire M4 Live Travel Updates
Fri, 12 Apr 2024 08:34:35 GMTM4 J7 westbound access | Westbound | Road Works | Buckinghamshire
Location : The M4 westbound entry slip at junction J7 . Reason : Roadworks scheme is planned. Status : Pending. Schedule : From 21:00 on 25 April 2024 to 06:00 on 27 April 2024.
Buckinghamshire M4 Live Travel Updates
Fri, 12 Apr 2024 08:34:35 GMTM4 westbound between J7 and J8 | Westbound | Road Works | Windsor and Maidenhead
Location : The M4 westbound between junctions J6 and J8 . Lane Closures : Lanes 1 and 2 will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : Expect disruption everyday between 20:00 and 06:00 from 25 April 2024 to 27 April 2024. Lanes Closed : There will be two of four lanes closed.
Windsor and Maidenhead M4 Live Travel Updates
Fri, 12 Apr 2024 08:32:02 GMTM4 westbound between J17 and J18 | Westbound | Road Works | South Gloucestershire
Location : The M4 westbound between junctions J17 and J18 . Reason : Roadworks are planned. Status : Pending. Schedule : From 08:00 on 19 April 2024 to 17:00 on 19 April 2024.
South Gloucestershire Live M4 Travel News
Fri, 12 Apr 2024 07:11:23 GMTM4 westbound within J17 | Westbound | Road Works | Wiltshire
Location : The M4 westbound between junctions J16 and J17 . Lane Closures : Lanes 2 and 3 will be closed. Reason : Roadworks are planned. Status : Pending. Schedule : From 21:00 on 26 April 2024 to 06:00 on 27 April 2024. Schedule : Expect disruption everyday between 20:00 and 06:00 from 29 April 2024 to 3 May 2024. Lanes Closed : There will be two of three lanes closed.
Wiltshire Live M4 Travel News
Thu, 11 Apr 2024 22:40:33 GMTM4 westbound between J14 and J15 | Westbound | Road Works | West Berkshire
Location : The M4 westbound between junctions J14 and J15 . Lane Closures : Lanes 2 and 3 will be closed. Reason : Barrier repairs are planned. Status : Pending. Schedule : From 20:00 on 3 June 2024 to 06:00 on 4 June 2024. Lanes Closed : There will be two of three lanes closed.
West Berkshire Live M4 Travel News
Thu, 11 Apr 2024 22:40:33 GMTM4 westbound within J17 | Westbound | Road Works | Wiltshire
Location : The M4 westbound between junctions J16 and J17 . Reason : Roadworks scheme. Status : Currently Active. Period : from 20:09 on 20 March 2024 to 06:00 on 3 May 2024.
Wiltshire Live M4 Travel News
Thu, 11 Apr 2024 11:55:39 GMTM4 westbound between J18 and J19 | Westbound | Road Works | South Gloucestershire
Location : The M4 westbound between junctions J18 and J19 . Reason : Roadworks scheme. Status : Currently Active. Period : from 20:03 on 7 April 2024 to 06:00 on 1 May 2024.
South Gloucestershire Live M4 Travel News
Thu, 11 Apr 2024 11:53:56 GMT
Eastbound M4 Roadworks and Delays
Traffic Incidents M4 Wales.
Information supplied direct by Traffic Wales.
M4 : Eastbound : J45 Ynysforgan : Maintenance work : Exit slip road closed : 02/04/24-19/04/24 2000-0600 :
Description: M4 : Eastbound : J45 Ynysforgan : Maintenance work : Exit slip road closed : 02/04/24-19/04/24 2000-0600 :, Start time: 02/04/2024 20:00 , End Date: 19/04/2024 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/04/2024 15:18
Travel delays Wales.A48M : Both directions : M4 J29 Castleton to M4 J29A St Mellons : Lane closed : Emergency works : 17/04/24-19/04/24 2000 :
Description: A48M : Both directions : M4 J29 Castleton to M4 J29A St Mellons : Lane closed : Emergency works : 17/04/24-19/04/24 2000 :, Start time: 17/04/2024 20:00 , End Date: 19/04/2024 20:00, Severity: Moderate, Source: Welsh Government, Last updated: 17/04/2024 20:00Travel delays Wales.M4 : Westbound : J47 Penllergaer to J48 Hendy : Maintenance work : Road closed : 17/04/24-19/04/24 2000-0600 :
Description: M4 : Westbound : J47 Penllergaer to J48 Hendy : Maintenance work : Road closed : 17/04/24-19/04/24 2000-0600 :, Start time: 17/04/2024 20:00 , End Date: 19/04/2024 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 17/04/2024 20:00Travel delays Wales.M4 : Eastbound : J43 Llandarcy to J41 Pentyla/Baglan : Maintenance work : Road closed : 19/04/24-28/04/24 2000-0600 :
Description: M4 : Eastbound : J43 Llandarcy to J41 Pentyla/Baglan : Maintenance work : Road closed : 19/04/24-28/04/24 2000-0600 :, Start time: 19/04/2024 20:00 , End Date: 28/04/2024 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/04/2024 11:29Travel delays Wales.M48 : Westbound : J1 Aust to J4 M4 J23 Rogiet : Clearance work : Road closed : 19/04/24-20/04/24 2000-0600 :
Description: M48 : Westbound : J1 Aust to J4 M4 J23 Rogiet : Clearance work : Road closed : 19/04/24-20/04/24 2000-0600 :, Start time: 19/04/2024 20:00 , End Date: 20/04/2024 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/04/2024 11:39Travel delays Wales.M48 : Westbound : J1 Aust to J2 Newhouse : Maintenance work : Road closed : 19/04/24-21/04/24 2000 :
Description: M48 : Westbound : J1 Aust to J2 Newhouse : Maintenance work : Road closed : 19/04/24-21/04/24 2000 :, Start time: 19/04/2024 20:00 , End Date: 21/04/2024 20:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/04/2024 11:46Travel delays Wales.M4 : Westbound : J38 Margam to J43 Llandarcy : Maintenance work : Entry slip road closed : 16/04/24-20/04/24 2000-0600 :
Description: M4 : Westbound : J38 Margam to J43 Llandarcy : Maintenance work : Entry slip road closed : 16/04/24-20/04/24 2000-0600 :, Start time: 16/04/2024 20:00 , End Date: 20/04/2024 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/04/2024 17:22Travel delays Wales.M4 : Eastbound : J47 Penllergaer : Cyclic maintenance : Entry slip road closed : 18/04/24-20/04/24 1930-0600 :
Description: M4 : Eastbound : J47 Penllergaer : Cyclic maintenance : Entry slip road closed : 18/04/24-20/04/24 1930-0600 :, Start time: 18/04/2024 19:30 , End Date: 20/04/2024 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/04/2024 19:30Travel delays Wales.M4 : Eastbound : J36 Sarn : Maintenance work : Exit slip road closed : 18/04/24-19/04/24 2000-0600 :
Description: M4 : Eastbound : J36 Sarn : Maintenance work : Exit slip road closed : 18/04/24-19/04/24 2000-0600 :, Start time: 18/04/2024 20:00 , End Date: 19/04/2024 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 18/04/2024 20:00Travel delays Wales.A48M : Westbound : M4 J29 Castleton to M4 J29A St Mellons : Lane closed : Emergency works :
Description: A48M : Westbound : M4 J29 Castleton to M4 J29A St Mellons : Lane closed : Emergency works :, Start time: 18/04/2024 8:34 , Expected end time: 19/04/2024 8:34, Severity: Slight, Source: Welsh Government, Last updated: 18/04/2024 8:34Travel delays Wales.
Travel delays Wales.M4 Motorway Map
Live traffic flow information. Avoid M4 travel congestion and plan a smarter route.
Traffic delay information supplied by UK Traffic Delays. Live traffic reports, roadworks and travel news for the M4 motorway in England.
Our M4 travel news is as up to date as possible but please do always check with local radio news sources and always allow plenty of time for your journey.
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Will M4 be closed at Pontabraham on Sunday 3rd September.Also what other roadworks the same day on M4.
On Saturday 19 March at approx midnight, I will drive from London to Windsor on the M4 hoping to exit at junction 6 for Windsor. Will I be able to do this smoothly or will there be deviations on my way to Windsor from London for M4 works on Saturday the 19th of March? Thanks