A3(M) crash J3 northbound

Crash on the A3(M) northbound at J3 on Wednesday 21 October 2026, from 07:46. Cleared at 08:51 after 1 h 5 min. Timeline of reports from TomTom and the motorway signs.

Status

Cleared 08:51 on 21 Oct 2026, after 1 h 5 min

Location

A3(M) northbound · J3

Reported as

Collision

Sources

TomTom · Motorway signs

Timeline

1. 07:46 Motorway signs: “REPORT OF COLLISION”
2. 07:55 TomTom: queueing traffic, “Slow traffic”, delay ~4 min
3. 08:00 TomTom: “Queuing traffic”
4. 08:13 TomTom no longer reports it
5. 08:13 All clear: no source reports it any more
6. 08:51 Motorway signs no longer show “REPORT OF COLLISION”
7. 08:51 All clear: no source reports it any more

Source reports

• Queuing traffic
• Overhead signs read “REPORT OF COLLISION” (2 signs; furthest along: A3(M) northbound within J3).

Other recent incidents on the A3(M)

• A3(M) reported crash J3–J4 southboundSat 12:26 · cleared after 1 h 2 min
• A3(M) reported crash J3 southboundFri 07:37 · cleared after 3 h 44 min
• A3(M) stopped traffic J312 Oct 2026 07:49 · cleared after 1 h 13 min
• A3(M) reported crash J3 northbound10 Oct 2026 01:56 · cleared after 46 min
• A3(M) stopped traffic J2–J329 Sept 2026 07:11 · 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.