A12 crash southbound

Crash on the A12 southbound at Blackwall Tunnel Northern Approach on Sunday 1 November 2026, from 12:16. Cleared at 12:40 after 24 min. Timeline of reports from TfL.

Status

Cleared 12:40 on 1 Nov 2026, after 24 min

Location

A12 southbound · Blackwall Tunnel Northern Approach

Reported as

Collision

Lanes

2 of 3 lanes closed

Sources

TfL

Timeline

1. Sun 12:16 TfL: collision, 2 of 3 lanes closed
2. Sun 12:30 TfL: “Lochnagar Street - Lane one and two (of three) blocked by a collision. Approach with caution. Traffic is slow on approach. Expect delays.”
3. Sun 12:40 TfL no longer reports it
4. Sun 12:40 All clear: no source reports it any more

Source reports

• [A12] Blackwall Tunnel Northern Approach (Southbound) at the junction of Lochnagar Street - Lane one and two (of three) blocked by a collision. Approach with caution. Traffic is slow on approach. Expect delays.

Other recent incidents on the A12

• A12 crash A12 westboundSat 19:47 · cleared after 8 h 25 min
• A12 stopped trafficFri 15:19 · cleared after 2 h 41 min
• A12 crashFri 10:47 · cleared after 25 min
• A12 crash Eastern Avenue West eastboundThu 16:37 · cleared after 2 h 58 min
• A12 crash A12 southboundThu 03:00 · cleared after 7 h 6 min
• A12 crash southbound25 Oct 2026 05:15 · cleared after 15 h 24 min
• A12 crash Eastern Avenue eastbound24 Oct 2026 13:04 · cleared after 7 h 45 min
• A12 crash Eastern Avenue East westbound24 Oct 2026 12:01 · cleared after 9 h 29 min
• A12 crash Eastern Avenue eastbound23 Oct 2026 10:58 · cleared after 23 min
• A12 crash Eastern Avenue westbound23 Oct 2026 02:26 · cleared after 2 h 24 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.