M40 crash J3–J4 northbound

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

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.

1. !

   M40 northbound · J3–J4

   Collision

   yesterday 16:06–yesterday 16:42 (cleared after 36 min)

   Motorway signs

See the M40 on the live map M40 traffic now

Timeline

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

What the sources said

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

Other recent incidents on the M40

• M40 crash J10–J9 southbound · 13:30, cleared after 1 h 47 min
• M40 reported crash J1 northbound · yesterday 07:26, cleared after 43 min
• M40 reported crash J2–J1A southbound · yesterday 07:19, cleared after 51 min
• M40 reported crash J12–J11 southbound · Thu 22:00, cleared after 38 min
• M40 crash J5–J6 · Thu 16:43, cleared after 1 h 6 min
• M40 closed J3–J2 southbound · Thu 11:38, cleared after 57 min
• M40 reported crash J9 southbound · Wed 21:11, cleared after 39 min
• M40 crash J2 southbound · Wed 14:18, cleared after 4 h 31 min
• M40 closed J11 · Tue 23:36, cleared after 4 h 8 min

About this page

This page shows what the data sources reported about this event and when, merged from every source that reported it at the same place. It doesn't say what caused it or whether anyone was hurt: no source reports that. Times are UK time. For live alerts, follow @motorways.me on Bluesky.