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:

Nearest town: 1.32m from Caerleon. CLEARED @ 06:42

Nearest town: 0.88m from Lisvane. CLEARED @ 05:54

Lane closures: The hard shoulder and lane 1 are closed.
Reason: Broken down vehicle.
Status: Currently Active.
Time to clear: The event is expected to clear between 06:30 and 06:45 on 26 Jul 2025.
Return to normal: Normal traffic conditions are expected between 06:30 and 06:45 on 26 Jul 2025.
Lanes closed: There is one of three lanes closed.
Nearest town: 4.83m from Alveston. CLEARED @ 05:51

Nearest town: 0.88m from Lisvane. CLEARED @ 02:18

Nearest town: 1.55m from Kenfig. CLEARED @ 02:18
There are no current incidents in this location.