A3(M) closed J4–J3 northbound (obstruction)

Road closure on the A3(M) northbound at J4–J3 on Friday 23 October 2026, from 07:17. Still reported at 10:09 UK time. Timeline of reports from the motorway signs and National Highways.

Status

Live since 07:17 (2 h 52 min)

Location

A3(M) northbound · J4–J3

Reported as

Obstruction or hazard

Lanes

Road closed

Sources

Motorway signs ×2 · National Highways

Timeline

1. 07:17 Motorway signs: “OBSTRUCTION ON SLIP ROAD”
2. 07:17 Motorway signs: “REPORT OF OBSTRUCTION”
3. 08:30 National Highways: road closed
4. 09:02 Motorway signs no longer show “OBSTRUCTION ON SLIP ROAD”
5. 09:02 Motorway signs no longer show “REPORT OF OBSTRUCTION”

Source reports

• Overhead signs read “OBSTRUCTION ON SLIP ROAD” (1 sign; furthest along: A3(M) northbound between J4 and J3).
• Overhead signs read “REPORT OF OBSTRUCTION” (1 sign; furthest along: A3(M) northbound within J3).
• A3(M) northbound between J4 and J3

Other recent incidents on the A3(M)

• A3(M) crash J3 northboundWed 07:46 · cleared after 1 h 5 min
• A3(M) reported crash J3–J4 southboundSat 12:26 · cleared after 1 h 2 min
• A3(M) reported crash J3 southbound16 Oct 2026 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.