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Welcome to the M4 Traffic website.

M4 Traffic is dedicated to featuring the latest M4 traffic news, traffic updates , traffic reports, details of roadworks and other M4 news of interest to motorists using the M4 motorway. Information about the M4 Motorway. Easy.

The M4 Traffic aims to bring you you the latest traffic updates released quickly and clearly. Easy and speed of use is the main aim of the M4 Traffic website. M4 news and updates at a glance.

M4 Traffic is part of the UK Traffic News network.

Latest M4 Traffic Reports and M4 Traffic Updates

The aim of M4 Traffic.co.uk is simple.... .

Feature the latest M4 traffic reports and M1 traffic updates. You can search our website for the latest M4 traffic news.

Simply type your key search words using our search facility and Hey Presto you have the latest M4 motorway traffic news.

The Latest M4 Traffic News in about M4 Delays, M4 Accidents, M4 Roadworks

Below are some of the latest M4 traffic reports in. See all the latest M4 traffic news and M4 traffic reports .

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Credits: We would like to thank the Highways Agency for traffic information provided on this site

Live Travel Updates, Congestion Reports

M4 Travel News. Avoid Accidents and Roadworks

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

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

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

M4 westbound between j17 and j18 | westbound | road works | south gloucestershire, m4 westbound within j17 | westbound | road works | wiltshire, link road from a329(m) westbound to m4 j10 westbound | westbound | road works | wokingham, connector at m4 j4/m4 spur (heathrow) | westbound | road works | greater london authority, m4 westbound within j4b | westbound | road works | slough, m4 westbound within j12 | westbound | road works | west berkshire, m4 westbound at the reading services slip road between j11 and j12 | westbound | road works | west berkshire, link road from a329(m) eastbound to m4 j10 westbound | westbound | road works | wokingham, m4 westbound between j18 and j19 | westbound | road works | south gloucestershire, m4 westbound between j14 and j15 | westbound | road works | west berkshire, m4 westbound between j10 and j11 | westbound | road works | wokingham, m4 westbound within j10 after a329(m) eastbound access | westbound | road works | wokingham, m4 westbound between j8 and j10 | westbound | road works | bracknell forest, m4 westbound between j11 and j12 | westbound | road works | west berkshire, m4 eastbound within j10 before a329(m) westbound access | eastbound | road works | wokingham, m4 westbound within j3 | westbound | road works | greater london authority, m4 westbound between j3 and j4 | westbound | road works | greater london authority, m4 westbound between j15 and j16 | westbound | road works | swindon, m4 westbound between j12 and j13 | westbound | road works | west berkshire, m4 j12 westbound exit | westbound | road works | west berkshire, m4 j12 westbound access | westbound | road works | west berkshire, m4 westbound between j20 and j21 | westbound | road works | south gloucestershire, eastbound m4 roadworks and delays, m4 eastbound between j18 and j17 | eastbound | road works | south gloucestershire, m4 eastbound between j19 and j18 | eastbound | road works | south gloucestershire, m4 eastbound between j20 and j19 | eastbound | road works | south gloucestershire, m4 eastbound between j11 and j10 | eastbound | road works | wokingham, m4 eastbound between j12 and j11 | eastbound | road works | wokingham, m4 eastbound within j11 | eastbound | road works | reading, m4 eastbound within j3 | eastbound | road works | greater london authority, m4 eastbound within j4b | eastbound | road works | slough, m4 eastbound between j4b and j4 | eastbound | road works | greater london authority, m4 eastbound between j4 and j3 | eastbound | road works | greater london authority, m4 eastbound between j17 and j16 | eastbound | road works | wiltshire, m4 eastbound between j13 and j12 | eastbound | road works | west berkshire, m4 eastbound within j7 | eastbound | road works | slough, m4 j7 eastbound exit | eastbound | road works | buckinghamshire, m4 j5 eastbound exit | eastbound | road works | slough, m4 eastbound between j6 and j5 | eastbound | road works | slough, m4 eastbound between j10 and j8 | eastbound | road works | bracknell forest, m4 eastbound within j5 | eastbound | road works | slough, m4 eastbound between j3 and j2 | eastbound | road works | greater london authority, traffic incidents m4 wales..

Information supplied direct by Traffic Wales.

A48M : Westbound : M4 J29 Castleton to M4 J29A St Mellons : Lane closed : Emergency works :

M4 : Eastbound : J45 Ynysforgan : Maintenance work : Exit slip road closed : 02/04/24-19/04/24 2000-0600 :

A48m : both directions : m4 j29 castleton to m4 j29a st mellons : lane closed : emergency works : 17/04/24-19/04/24 2000 :, m4 : westbound : j47 penllergaer to j48 hendy : maintenance work : road closed : 17/04/24-19/04/24 2000-0600 :, m4 : eastbound : j43 llandarcy to j41 pentyla/baglan : maintenance work : road closed : 19/04/24-28/04/24 2000-0600 :, m48 : westbound : j1 aust to j4 m4 j23 rogiet : clearance work : road closed : 19/04/24-20/04/24 2000-0600 :, m48 : westbound : j1 aust to j2 newhouse : maintenance work : road closed : 19/04/24-21/04/24 2000 :, m4 : westbound : j38 margam to j43 llandarcy : maintenance work : entry slip road closed : 16/04/24-20/04/24 2000-0600 :, m4 : eastbound : j47 penllergaer : cyclic maintenance : entry slip road closed : 18/04/24-20/04/24 1930-0600 :, m4 : eastbound : j36 sarn : maintenance work : exit slip road closed : 18/04/24-19/04/24 2000-0600 :, 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.

UK Traffic Delays is a reliable source of updated UK travel information. National Highways data obtained under open licence. London travel information is used under license from TfL: Powered by TfL Open Data .

Our website contains public sector travel information licensed under the: Open Government Licence v3.0 .

Please Leave a Comment

8 thoughts on “m4 travel news. avoid accidents and roadworks”.

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

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• Tips & advice

Latest live M4 traffic news

Live m4 traffic news and updates for m4 junctions, plus real time travel reports on delays, accidents, roadworks and snow.

The M4 is the main road running between London and South Wales, passing via Slough, Reading, Swindon, Bristol, Newport, Cardiff and Swansea along the way. Much like the rest of the UK’s road network, the M4 has its areas most likely to cause tail backs – primarily where it joins the M25 on the west of London and also where it meets the M5 near Bristol. Naturally, accidents, roadworks and other traffic issues cause delays, so it pays to be on top of your journey before you start your engine.

There used to be a toll road charge to cross the M4 Severn bridge that joins England and Wales, but after 52 years, the charge was scrapped on December 17th 2018.

Generally the majority of the M4 tends to stay relatively clear, but the 189-mile route can see extra congestion during rush hour and summer holidays. If you’re planning to use any section of the M4 motorway, this page will be a useful aid for travel alerts, live updates and an incident map for both westbound and eastbound lanes.

Scroll down to find live tweets on the latest traffic conditions on the M4.  

M4 live motorway cameras

If there is traffic disruption on the M4 you can keep up to date on any delays with live traffic cameras for the eastbound and westbound M4.

M4 weather report

Details of the latest weather warnings in the M5 area from the Met Office...

• Met Office South West weather report

The history of the M4 

The Ministry of Transport first proposed a new road from London to South Wales in the 1930s. Plans for the M4 as one of the first major post-war trunk roads were produced in 1956 and construction began in 1961. The Chiswick flyover, a short section of elevated dual-carriageway built to reduce the impact of traffic travelling between central London and the west, opened in 1959 and later became part of the new M4 route. The section from J18 to the west of Newport was opened in 1966, including the Severn Bridge, which is now part of the M48.

The English section of the motorway was completed in December 1971 when the 50-mile stretch between Maidenhead and Swindon was opened for public use. The Welsh section was finished in 1993, when the Briton Ferry bridge opened. The Second Severn Crossing opened in 1996, and motorways on either side of the river carried the M4 over the new crossing when construction was finally completed. 

•  M5 traffic: live news updates

M4 junctions

All of the M4 junctions on the southbound and northbound carriageways are detailed below... 

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Traffic incidents

The following traffic incidents and congestion for M4 have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:

M4 Roadworks

The following roadworks have been reported by various highways agencies and official transport sources.Click on a roadworks item to view more details on the traffic map.

The M4 is a motorway in the United Kingdom that connects London and South West England. It runs from London to South Wales and it is a crucial part of the English transport network.

The M4 was first proposed in 1927 and construction began in 1958. It was completed in 1971, running from London to Reading, Berkshire and later extending to South Wales.

The M4 is one of the major roads in the UK and a significant part of the economy. The M4 has been upgraded in certain sections and currently consists of 146 miles (235 km) of motorway.

The M4 is one of the safest motorways in the UK. According to the Department of Transport (DfT), the M4 had a collision rate of just 0.41 per million vehicle kilometres between 2017-2018. This is lower than the UK major-road average of 0.71.

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Get in touch with us or stay up to date with our latest news and updates.

Live Email Traffic Alerts

Get live email alerts whenever there is a traffic incident or roadworks on the M4 that may cause congestion or jams.

LEGAL NOTICE

Please remember that it is against the law to use your mobile phone, tablet or any electronic device without a hands-free kit whilst driving.If you're caught by the police using any device that can send or receive data whilst driving or riding a motorcyle you'll get an automatic fixed penalty notice, 6 points on your licence and a fine of £200.A court could also disqualify you from driving.

Elsewhere on the web:

Official source of traffic updates.

Transport for London's (TfL) portal for transportation in London.

The Welsh government's traffic information service for Wales.

Live traffic conditions and news for Scotland's road network.

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Except where otherwise noted, content and photographs on this site are licensed under a Creative Commons Attribution 3.0 License . Owned, operated and copyright CliqTo Ltd 2024 and Chris Haycock . Registered company number 7575287. Page (M4) cached at 19/04/2024 04:04:07

M4 accident: Traffic updates today as serious crash closes motorway near Bath

• West Country
• M4 motorway
• Friday 20 October 2023 at 3:54pm

The M4 is closed in both directions between Bath and Chippenham due to a serious crash.

Emergency services, including the air ambulance, are at the scene of the incident between J18 and J17.

The crash happened shortly after 9am and involved multiple cars and a lorry.

Traffic is being diverted off the M4 at J17 but queues are currently stretching halfway to J16 for Swindon West on the westbound carriageway and halfway to J19 for Bristol.

A spokesperson for Wiltshire Police said: "Due to the nature of the collision and the vehicles involved, this closure is likely to remain in place for some time.

"Drivers should avoid the area if possible."

Anyone with information should call 101 and quote log number 93 of Friday 20 October.

Train passengers are also facing disruption this morning as Storm Babet flooded railway lines in Wiltshire.

All lines between Bristol Temple Meads via Bath and Swindon, and Bristol Parkway and Swindon have been closed.

M4 motorway

The M4 motorway crosses Berkshire and links Reading, Wokingham and Bracknell to London, the M25 and South Wales. Junctions 10 to 12 opened in 1971, while Junction 11 (pictured) underwent extensive improvements between 2008 and 2010. It is currently being converted to a four lane smart motorway.

Related: Join the Berkshire travel Facebook group // Traffic & Travel // M3 // A329(M)

Get the latest traffic news, crash updates and roadworks to your inbox with our Berkshire Traffic and Travel newsletter - sign up here.

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Travel updates

We want to get you the infor­ma­tion you need so you can plan your journey.

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Live traffic and incident information from Traffic England

Travel alerts (breaking news)

Updates on active major incidents that may impact your journey.

Travelling later?

Build your own traffic report about issues on our network that may impact your journey now or in the future.

Daily closure report

Advance notification of full closures on England’s network. Now filterable online (.XLS file still available for those that need it).

Abnormal loads

Application forms and guidance material useful when wishing to make an abnormal loads movement by road in England.

Motorway service access guides

The guides will help you plan where to stop for a break at any one of the 114 motorway service areas across England.

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Our social media channels give you important information about using our roads safely and help you see what is happening on our road network.

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Useful Links

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For traffic flow information please visit Traffic England

Traffic and Travel

Check the Gloucestershire Live daily live blog for up-to-the-minute traffic and travel updates every weekday. Tens of thousands of journeys are made each day in the Gloucestershire region as well as millions of journeys by public transport every year. Gloucestershire's road, rail, air and sea network is constantly evolving to keep up with the daily demand of travellers.

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M4 Macs Are Expected to Launch in This Order Starting Later This Year

Bloomberg 's Mark Gurman recently reported that the first Macs with M4 series chips will be released later this year , with more models to follow next year. In his Power On newsletter today, Gurman shared a more specific roadmap for these Macs.

1. A low-end 14-inch MacBook Pro with the M4, coming around the end of 2024. 2. A 24-inch iMac with the M4, also expected around the end of the year. 3. New 14-inch and 16-inch high-end MacBook Pros with M4 Pro/Max chips, due between the end of 2024 and early 2025. 4. A Mac mini in both M4 and M4 Pro configurations, coming between the end of 2024 and early 2025. 5. New 13-inch and 15-inch MacBook Airs, slated for around spring 2025. 6. A Mac Studio with a high-end M4 chip, coming around the middle of 2025. 7. A Mac Pro with an M4 Ultra chip, due in the second half of 2025.

Gurman reiterated that Apple has internally tested an M3 Ultra chip, which would be suitable for the Mac Studio and the Mac Pro, but he said it is "all but assured that at least some of Apple's high-end desktops" will skip the M3 chip series.

Gurman said that Apple will emphasize the artificial intelligence capabilities of the M4 chip series.

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Top Rated Comments

So we really believe this Gurman Mac release schedule is going to so much more accurate than his series of iPad release dates? You might convince me of the sequence (their order) but his schedule is just hand waving

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