M40 crash J3–J4 northbound

Crash on the M40 northbound at J3–J4 on Friday 25 September 2026, from 16:06. Cleared at 16:42 after 36 min. Timeline of reports from the motorway signs.

Status

Cleared 16:42 on 25 Sept 2026, after 36 min

Location

M40 northbound · J3–J4

Reported as

Collision

Sources

Motorway signs

Timeline

1. Fri 16:06 Motorway signs: “COLLISION SLOW DOWN”
2. Fri 16:42 Motorway signs no longer show “COLLISION SLOW DOWN”
3. Fri 16:42 All clear: no source reports it any more

Source reports

• Overhead signs read “COLLISION SLOW DOWN” (1 sign; furthest along: M40 northbound between J3 and J4).

Other recent incidents on the M40

• M40 reported crash J9 northboundyesterday 17:27 · cleared after 1 h 44 min
• M40 reported crash J9–J10 northboundyesterday 10:49 · cleared after 49 min
• M40 crash J5–J4 southboundyesterday 06:19 · cleared after 2 h 43 min
• M40 reported crash J3–J4 northboundyesterday 04:36 · cleared after 1 h 1 min
• M40 reported crash J12–J11 southboundMon 21:21 · cleared after 44 min
• M40 stopped traffic J2–J1A southboundMon 07:16 · cleared after 2 h 45 min
• M40 closed J1A–J2 southboundMon 06:01 · cleared after 3 h 6 min
• M40 reported crash J9 southboundSat 17:40 · cleared after 42 min
• M40 reported crash J9 southboundSat 00:06 · cleared after 41 min
• M40 reported crash J3A northboundFri 17:58 · cleared after 47 min

Live traffic and past incidents at M40 J3 and M40 J4.

The sources don't report causes or injuries, so neither does this page. Times are UK time. For alerts, follow @motorways.me on Bluesky.