A12 crash southbound

Crash on the A12 southbound at Blackwall Tunnel Northern Approach on Thursday 12 November 2026, from 16:57. Cleared at 18:16 after 1 h 19 min. Timeline of reports from TfL.

Status

Cleared 18:16 on 12 Nov 2026, after 1 h 19 min

Location

A12 southbound · Blackwall Tunnel Northern Approach

Reported as

Collision

Sources

TfL

Timeline

1. 16:57 TfL: collision
2. 17:24 TfL: “with tailback to Hackney Wick. Expect delays.”
3. 17:38 TfL: “beyond Hackney Wick. Expect severe delays.”
4. 17:40 TfL: “to Hackney Wick. Expect delays.”
5. 17:44 TfL: “beyond Hackney Wick. Expect severe delays.”
6. 17:46 TfL: “all approach with tailback beyond Hackney Wick. Expect severe delays.”
7. 17:52 TfL no longer reports it
8. 17:52 All clear: no source reports it any more
9. 18:02 TfL: collision (reported again)
10. 18:12 TfL no longer reports it
11. 18:12 All clear: no source reports it any more
12. 18:14 TfL: collision (reported again)
13. 18:16 TfL no longer reports it

Source reports

• [A12] Blackwall Tunnel Northern Approach (Southbound) at the junction of [A11] Bow Road - The road is blocked in both direction due to a collision. Traffic is slowing with delays approaching Wick Road.

Other recent incidents on the A12

• A12 crash Eastern Avenue eastbound03:09 · cleared after 1 h 32 min
• A12 closed southboundMon 00:18 · cleared after 3 h 42 min
• A12 crash J28–J26Sat 19:22 · cleared after 10 h 3 min
• A12 crash J26–J28Sat 18:45 · cleared after 9 h 9 min
• A12 crash J26–J28Sat 18:44 · cleared after 9 h 11 min
• A12 crashSat 16:51 · cleared after 12 h 7 min
• A12 stopped trafficSat 13:39 · cleared after 46 min
• A12 crash Eastern Avenue eastboundFri 22:50 · cleared after 3 h 52 min
• A12 crash Eastern Avenue eastbound5 Nov 2026 20:04 · cleared after 51 min
• A12 crash5 Nov 2026 16:31 · cleared after 2 h 45 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.