Live incidentLane closureNational Highways
M4 westbound lane closure at J22, live incident, started Wed 7 Oct, 20:53
- Road
- M4
- Direction
- Westbound
- Junctions
- J22
- Started
- Wed 7 Oct, 20:53
- Category
- Incident
M4 eastbound entry slip road closure between J19 and J18, 7 Oct 2026
Active roadworks
This roadworks closure on the M4 is in force now. It started at 21:00 on Wed 7 Oct and is expected to clear at 06:00 on Thu 8 Oct.
Last updated by National Highways at 00:02 on Thursday 8 October 2026.
Closure details and map
- Status
- Active roadworks
- Closure type
- Entry slip road closure
- Category
- Road Maintenance
- Road
- M4
- Direction
- Eastbound
- Junctions
- J19 to J18
- Location
- M4 eastbound between J19 and J18
- Started
- 21:00 on Wednesday 7 October 2026
- Expected to clear
- 06:00 on Thursday 8 October 2026
- Details
- M4 eastbound Jct 18 between exit and entry slip road carriageway closure
- Source
- National Highways
- Last updated by the source
- 00:02 on Thursday 8 October 2026
Map of the M4 eastbound entry slip road closure between J19 and J18
Use the arrow keys to move the map and the plus and minus keys to zoom.
- Active roadworks
Other M4 closures and crash records
17 other closures are in force on the M4 right now, and 43 more are planned in the next 7 days.
The M4 accident statistics from 1979 to 2025 record 29,200 collisions on the road, 724 of them fatal.
- Live incidentSlip road closureNational Highways
M4 westbound slip road closure at J12, live incident, started Wed 7 Oct, 19:54
- Road
- M4
- Direction
- Westbound
- Junctions
- J12
- Started
- Wed 7 Oct, 19:54
- Category
- Incident
- Active roadworksLane closureNational Highways
M32 lane closure in both directions between J2 and J1, active roadworks, started Wed 7 Oct, 21:18
- Road
- M32 and M4
- Direction
- Both directions
- Junctions
- J2 to J1
- Started
- Wed 7 Oct, 21:18
- Expected to clear
- Thu 8 Oct, 05:00
- Category
- Road Maintenance
- Active roadworksLane closureNational Highways
M4 eastbound lane closure between J17 and J16, active roadworks, started Wed 7 Oct, 21:00
- Road
- M4
- Direction
- Eastbound
- Junctions
- J17 to J16
- Started
- Wed 7 Oct, 21:00
- Expected to clear
- Thu 8 Oct, 06:00
- Category
- Road Maintenance
- Active roadworksHard shoulder closureNational Highways
M4 eastbound hard shoulder closure between J20 and J19, active roadworks, started Wed 7 Oct, 20:56
- Road
- M4
- Direction
- Eastbound
- Junctions
- J20 to J19
- Started
- Wed 7 Oct, 20:56
- Expected to clear
- Thu 8 Oct, 05:00
- Category
- Road Maintenance
- Active roadworksCarriageway closureNational Highways
M4 eastbound carriageway closure between J23 and J22, active roadworks, started Wed 7 Oct, 20:54
- Road
- M4
- Direction
- Eastbound
- Junctions
- J23 to J22
- Started
- Wed 7 Oct, 20:54
- Expected to clear
- Thu 8 Oct, 06:00
- Category
- Road Maintenance