A40 crash westbound

Crash on the A40 westbound on Saturday 26 September 2026, from 14:47. Cleared at 23:08 after 56 h 22 min. Timeline of reports from the motorway signs and TomTom.

Status

Cleared 23:08 on 28 Sept 2026, after 56 h 22 min

Location

A40 westbound

Reported as

Collision

Sources

Motorway signs · TomTom

Timeline

1. Sat 14:38 Motorway signs: “COLLISION SLOW DOWN”
2. Sat 15:17 Motorway signs no longer show “COLLISION SLOW DOWN”
3. Sat 15:17 All clear: no source reports it any more
4. Mon 17:07 Motorway signs: “COLLISION SLOW DOWN” (reported again)
5. Mon 17:26 TomTom: queueing traffic, “Stationary traffic”, delay ~17 min
6. Mon 17:27 TomTom no longer reports it
7. Mon 23:08 Motorway signs no longer show “COLLISION SLOW DOWN”
8. Mon 23:08 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: A40 westbound between B467 and M40).
• Stationary traffic

Other recent incidents on the A40

• A40 closed Abergavenny to Llanwenarth both directionsSun 08:57 · cleared after 4 h 5 min
• A40 stopped traffic Western Avenue eastboundThu 17:12 · cleared after 3 h 43 min
• A40 crash Western Avenue eastbound2 Nov 2026 00:47 · cleared after 1 h 37 min
• A40 stopped traffic westbound1 Nov 2026 11:04 · cleared after 6 h 11 min
• A40 crash St Giles High Street both directions27 Oct 2026 08:50 · cleared after 1 h 44 min
• A40 crash westbound23 Oct 2026 07:25 · cleared after 37 min
• A40 crash Western Avenue eastbound18 Oct 2026 11:30 · cleared after 2 h 20 min
• A40 crash westbound16 Oct 2026 17:34 · cleared after 49 min
• A40 crash Western Avenue southbound13 Oct 2026 08:29 · cleared after 41 min

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