M4 traffic today

Right now on the M4: 1 collision, 1 obstruction or hazard and 1 queue.

Updated 23:28 UK time · live crashes, closures and delays

Right now

1. M4 eastbound · J10–J8

   Obstruction or hazard

   since 22:51 (37 min)

   Motorway signs

   Timeline · 1 update

   1. 22:51 Motorway signs: “REPORT OF OBSTRUCTION”

2. M4 westbound · J4

   Collision

   Road closed · since 22:30 (58 min) · delay ~63 min · queue 10.2 mi

   TomTom ×2 · Motorway signs · National Highways ×2

   Timeline · 15 updates

   1. 22:30 TomTom: queueing traffic, “Slow traffic”, delay ~5 min
   2. 22:35 TomTom: “Queuing traffic”
   3. 22:39 Motorway signs: “REPORT OF COLLISION”
   4. 22:40 TomTom: delay now ~15 min (was ~9)
   5. 22:44 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
   6. 22:49 TomTom: “Stationary traffic”
   7. 23:02 TomTom: queueing traffic, “Slow traffic”, delay ~6 min (reported again)
   8. 23:02 TomTom: now says collision, “Stationary traffic, Accident”
   9. 23:06 National Highways: road closed
   10. 23:07 TomTom: delay now ~17 min (was ~6), “Queuing traffic”
   11. 23:07 TomTom: now says queueing traffic, delay now ~27 min (was ~19), “Stationary traffic”
   12. 23:12 TomTom: delay now ~56 min (was ~27)
   13. 23:12 TomTom: delay now ~35 min (was ~17), “Stationary traffic”
   14. 23:16 TomTom: delay now ~77 min (was ~56)
   15. 23:25 TomTom: delay now ~32 min (was ~24), “Queuing traffic”

3. M4 eastbound · J32

   Queueing traffic

   since 20:37 (2 h 52 min)

   Traffic Wales

   Timeline · 6 updates

   1. 20:30 Traffic Wales: road closed
   2. 20:40 TomTom: collision, “Closed, Incident”, road closed
   3. 20:40 TomTom: collision, “Incident”
   4. 20:40 TomTom: collision, “Closed, Incident”, road closed
   5. 20:52 Traffic Wales: now says queueing traffic, road reopened, “M4 : Eastbound : J32 Coryton to J30 Cardiff Gate : Incident : Delays”
   6. 20:54 TomTom no longer reports it

Roadworks now

• Westbound J20until 5 DecExit slip road closed
• Eastbound J18–J17until 9 Apr2 of 4 lanes closedM4 eastbound Jct 18 to Jct 17 speed limit 50mph (166/0 to 161/4)
• Eastbound J4Buntil Mon 05:301 of 3 lanes closedM4 Eastbound Jct 4B to M25 Clockwise and Anti-clockwise Jct 15 exit slip road lane 1 closure
• Westbound J4Buntil Mon 05:301 of 3 lanes closedM4 Westbound Jct 4B to M25 Clockwise and Anti-clockwise Jct 15 exit slip road lane 2 closure
• Clockwise J4Buntil Mon 05:30Link road closed
• Eastbound J5–J4Buntil Mon 05:301 of 3 lanes closedM4 Eastbound Jct 5 to Jct 4B lane 1 closure

Closures tonight

• Clockwise J4B22:30–05:30Link road closed

Earlier today

• M4 westbound · J4: Lane closure · cause not reported yet19:31–20:08
• M4 eastbound · J3–J2: Collision16:34–17:58
• M4 eastbound · J15–J14: Obstruction or hazard14:42–15:27
• M4 eastbound · J17–J16: Obstruction or hazard13:42–14:27
• M4 westbound · J15–J16: Obstruction or hazard13:42–14:27
• M4 westbound · J5–J6: Obstruction or hazard12:51–13:26
• M4 westbound · J3: Incident10:21–10:56
• M4 eastbound · J12–J11: Obstruction or hazard08:35–09:25
• M4 westbound · J3: Obstruction or hazard07:56–08:55

Planned closures: next 7 days

Monday 9 November

• Eastbound J621:00–06:00Entry slip road closed
• Eastbound J621:00–06:00Exit slip road closed
• Eastbound J1221:00–06:00Exit slip road closed
• Westbound J621:00–06:00Entry slip road closed
• Eastbound J3–J122:00–05:30Closed

Tuesday 10 November

• Westbound J621:00–06:00Entry slip road closed
• Eastbound J621:00–06:00Entry slip road closed
• Eastbound J621:00–06:00Exit slip road closed
• Eastbound J3–J122:00–05:30Closed

Wednesday 11 November

• Eastbound J23–J2221:00–06:00ClosedM4 eastbound Jct 23 to 22 Prince of Wales Bridge carriageway closure
• Eastbound J1221:00–06:00Exit slip road closed
• Eastbound J621:00–06:00Entry slip road closed
• Eastbound J621:00–06:00Exit slip road closed
• Westbound J621:00–06:00Entry slip road closed
• Eastbound J3–J122:00–05:30Closed

Thursday 12 November

• Eastbound J23–J2221:00–06:00ClosedM4 eastbound Jct 23 to 22 Prince of Wales Bridge carriageway closure
• Eastbound J3–J122:00–05:30Closed

Saturday 14 November

• Eastbound J821:00–06:00Entry slip road closed

Long-term closures on the M4

• Westbound J20until 5 Dec 2026Exit slip road closed

Planned closures from National Highways, checked every few hours. Plans can change at short notice, so follow the signs. See every closure tonight.

Recent incidents

• M4 reported crash J3–J2 eastbound16:34 · cleared after 1 h 24 min
• M4 crash J3–J2 eastboundyesterday 02:33 · cleared after 45 min
• M4 closed J18–J17Fri 22:43 · cleared after 3 h 3 min
• M4 stopped traffic J18–J17Fri 21:39 · cleared after 23 min
• M4 crash J6–J5 eastboundFri 16:50 · cleared after 25 min
• M4 crash WestboundFri 16:21 · cleared after 2 h 40 min
• M4 crash J13–J12 eastboundFri 13:22 · cleared after 1 h 25 min
• M4 crash J5–J4B eastboundFri 12:02 · cleared after 42 min
• M4 crash J4–J4B westboundFri 12:02 · cleared after 42 min
• M4 closed J18–J17Fri 00:45 · cleared after 27 min
• M4 crash J6 eastboundThu 22:04 · cleared after 12 h 9 min
• M4 reported crash J6 westboundThu 22:00 · cleared after 40 min
• M4 crash WestboundThu 18:51 · cleared after 45 min
• M4 crash WestboundThu 18:46 · cleared after 1 h 15 min
• M4 crash J4 eastboundThu 17:39 · cleared after 1 h 30 min
• M4 crash J13–J14Thu 16:40 · cleared after 1 h 55 min
• M4 crash WestboundThu 16:01 · cleared after 3 h 20 min
• M4 crash WestboundThu 13:51 · cleared after 4 h 20 min
• M4 crash J8–J10 westboundThu 11:52 · cleared after 1 h 58 min
• M4 crash J19–J20 westboundThu 06:54 · cleared after 1 h 41 min

The last 7 days

Junctions with the most incidents (30 days)

• J8–J1076 incidents, 8 collisions
• J10–J1150 incidents, 1 collision
• J11–J1249 incidents, 3 collisions
• J5–J648 incidents, 6 collisions
• J4B–J545 incidents, 4 collisions

M4 junctions

Live traffic, closures and past incidents at each junction.

• J1
• J2
• J3
• J4
• J4B
• J5
• J6
• J7
• J8
• J10
• J11
• J12
• J13
• J14
• J15
• J16
• J17
• J18
• J19
• J20
• J21
• J22
• J23
• J23A
• J24
• J25
• J25A
• J26
• J28
• J29
• J30
• J32
• J33
• J35
• J37
• J38
• J39
• J40
• J41
• J45
• J46

Nearby roads

Common questions

Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time. M4 RSS feed