A406 crash Gunnersbury Avenue both directions

Crash on the A406 both directions at Gunnersbury Avenue on Monday 19 October 2026, from 02:10. Cleared at 02:45 after 35 min. Timeline of reports from TfL.

Status

Cleared 02:45 on 19 Oct 2026, after 35 min

Location

A406 both directions · Gunnersbury Avenue

Reported as

Collision

Sources

TfL

Timeline

1. 02:10 TfL: collision
2. 02:25 TfL: “traffic is flowing well on diversion routes.”
3. 02:39 TfL: “Contra flow in place due to a collision. Approach with caution. Traffic is flowing well.”
4. 02:45 TfL no longer reports it
5. 02:45 All clear: no source reports it any more

Source reports

• [A406] Gunnersbury Avenue (Both directions) at the junction of Evelyn Grove - Contra flow in place due to a collision. Approach with caution. Traffic is flowing well.

Other recent incidents on the A406

• A406 crash North Circular Road southboundyesterday 20:58 · cleared after 1 h 33 min
• A406 crash Southend Road eastboundyesterday 12:07 · cleared after 55 min
• A406 crash Bowes Road eastboundFri 02:48 · cleared after 3 h 33 min
• A406 crash Hanger Lane Gyratory southboundThu 14:30 · cleared after 1 h 2 min
• A406 crash North Circular Road eastbound12 Oct 2026 16:47 · cleared after 3 h 12 min
• A406 closed North Circular Road southbound11 Oct 2026 16:53 · cleared after 1 h 7 min
• A406 crash North Circular Road clockwise11 Oct 2026 06:26 · cleared after 16 min
• A406 crash North Circular Road westbound8 Oct 2026 18:48 · cleared after 2 h 20 min
• A406 crash North Circular Road westbound7 Oct 2026 15:33 · cleared after 1 h 2 min
• A406 crash North Circular Road northbound6 Oct 2026 11:39 · cleared after 2 h 10 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.