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LIVE EVENT ENDEDLast updated 22nd July 2026

Lorry fire brought M4 to standstill

Emergency services are at the scene and traffic has been brought to a standstill

Emergency services are dealing with a lorry fire at Junction 28, Tredegar Park(Image: Sas Rooke)

A lorry fire brought the M4 in Newport to a standstill on Wednesday.

Emergency services responded to the incident at junction 28, Tredegar Park. Traffic heading westbound, towards Cardiff, was at a standstill between junction 28 at Tredegar Park and junction 25, at Coldra for much of the day.

The motorway was completely shut causing 80-minute tailbacks, but later reopened.

For live traffic updates, recap our blog below.


New Updates
22nd Jul17:07 BST
Traffic returns to normal

Traffic has now returned to normal following a vehicle fire which caused disruption on the M4 near Newport for much of the day. There are the usual delays around the Brynglas tunnels but queues following the fire have now cleared.

22nd Jul16:18 BST
Delays easing

Delays are continuing to ease now that all lanes are back open on the M4 near Newport. Drivers are facing five-minute queues near Caerleon.

22nd Jul16:00 BST
All lanes back open

All lanes have reopened on the M4 westbound near Newport following a vehicle fire earlier this morning. Residual delays remain in the area.

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22nd Jul15:15 BST
Average speed of traffic is 10mph

Here is the latest update from AA traffic planner:

"Severe delays of 28 minutes and delays increasing on M4 Westbound between J24 A449 (Coldra) and J28 A48 (Tredegar Park). Average speed ten mph."
22nd Jul14:44 BST
35-minute delays

The latest updates from AA traffic planner says drivers are facing delays of around 35 minute on the M4 westbound near Newport. The queues are between junction 25 at Coldra and junction 28 at Tredegar Park.

One lane remains closed between junction 27 and junction 28 due to a vehicle fire earlier this morning.

(Image: Traffic Wales )

22nd Jul14:18 BST
Latest traffic update

Traffic Wales has confirmed that lanes two and three are back open following the vehicle fire earlier this morning. Lane one will remain closed "until further notice", with queues expected to continue for drivers.

There are currently delays from junction 24 at Coldra and on surrounding routes.

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22nd Jul13:53 BST
Traffic backed up to Junction 24, Coldra

In Traffic Wales' latest update, a spokesperson said traffic has backed up to Junction 24. Two lanes are now open, lane one remains closed.

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22nd Jul13:11 BST
Delays easing

Delays are easing on the M4 westbound in Newport. They are now down to 50 minutes.

22nd Jul12:52 BST
Delays on diversion route

Drivers taking the alternate route to Cardiff via the A48 through St Mellons are also facing long delays, traffic maps show.

22nd Jul12:37 BST
Grass verge caught fire

The grass verge next to the hard shoulder also caught fire, pictures show.

22nd Jul12:31 BST
Picture shows lorry on fire

Footage captured from the M4 shows a lorry is the vehicle that closed the road.

The HGV caught fire with orange flames and black smoke billowing from the vehicle.

22nd Jul12:29 BST
Police say avoid the area

Gwent Police has asked drivers to avoid the area. Two lanes remain closed.

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22nd Jul12:05 BST
Lane reopens

Lane three has now reopened. Severe delays remain on the M4 westbound between Junction 28 and 25.

22nd Jul11:44 BST
Traffic Wales issue update

Traffic Wales has issued an update which says the fire service is working to make the road safe before it can be reopened.

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22nd Jul11:40 BST
70 minute delays

Traffic maps show delays are now severe. There are 70 minute delays which are still increasing on M4 Westbound between J25 B4596 Caerleon Road (Caerleon) and J28 A48 (Tredegar Park). Average speed is five mph.

22nd Jul11:22 BST
Traffic also slow eastbound

Traffic monitoring system Inrix states that the M4 Westbound is closed, with long delays due to vehicle fire at J28 A48 (Tredegar Park). Congestion to J26.

The update says traffic is also slowing the opposite side due to onlookers.

Emergency services are on scene. The diversion is up to A48 Southern Distributor Road and straight back on the M4 again.

22nd Jul11:13 BST
More pictures from the scene

Traffic cameras show the current scene at J28, Tredegar Park.

22nd Jul11:06 BST
Map shows road closure

Traffic maps show the road closure on the M4 westbound at Junction 28, Tredegar Park.

Hundreds of drivers are now sat at standstill.

22nd Jul11:05 BST
Traffic has backed up for miles

Traffic cameras show miles of traffic has backed up on the M4 westbound as a result of the fire.

This is the current scene on the M4 at Junction 26, Malpas.

22nd Jul11:02 BST
Vehicles move for emergency services

The vehicles stuck at a standstill on the M4 appear to have made a through route for emergency service vehicles.

Pictures show vehicles moved to the side to make way as emergency services tackle a vehicle fire.

22nd Jul10:59 BST
Hour long delays

AA traffic monitoring systems are showing 57 minute delays on the M4 westbound in Newport.

22nd Jul10:57 BST
Emergency services bring M4 to standstill

A vehicle fire has brought the M4 in Newport to a standstill on Wednesday morning.

Emergency services are dealing with the incident at Junction 28, Tredegar Park, and all traffic heading westbound, towards Cardiff, has been brought to a halt.

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