M4 closed J18–J17

Road closure on the M4 at J18–J17 on Friday 6 November 2026, from 22:43. Cleared at 01:46 after 3 h 3 min. Timeline of reports from TomTom.

Status

Cleared 01:46 on 7 Nov 2026, after 3 h 3 min

Location

M4 J18–J17

Reported as

Road closed

Lanes

Road closed

Sources

TomTom

Timeline

1. yesterday 22:43 TomTom: road closed
2. 01:46 TomTom no longer reports it
3. 01:46 All clear: no source reports it any more

Source reports

• Closed

Other recent incidents on the M4

• M4 stopped traffic J18–J17yesterday 21:39 · cleared after 23 min
• M4 crash J6–J5 eastboundyesterday 16:50 · cleared after 25 min
• M4 crash Westboundyesterday 16:21 · cleared after 2 h 40 min
• M4 crash J13–J12 eastboundyesterday 13:22 · cleared after 1 h 25 min
• M4 crash J5–J4B eastboundyesterday 12:02 · cleared after 42 min
• M4 crash J4–J4B westboundyesterday 12:02 · cleared after 42 min
• M4 closed J18–J17yesterday 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

Live traffic and past incidents at M4 J18 and M4 J17.

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.