M3 crash J3–J4 westbound
Cleared Cleared at 20:47 on 3 Oct 2026, after 2 h 4 min.
Crash on the M3 westbound at J3–J4 on Saturday 3 October 2026, from 18:43. Cleared at 20:47 after 2 h 4 min. Timeline of reports from TomTom, the motorway signs and National Highways.
M3 westbound · J3–J4
Collision
1 lane closed · 18:43–20:47 (cleared after 2 h 4 min) · delay ~6 min
TomTom · Motorway signs ×2 · National Highways ×2
See the M3 on the live map M3 traffic now
Timeline
- Motorway signs: “STRANDED VEHICLE”
- National Highways: 1 of 4 lanes closed
- Motorway signs: “LANE CLOSED FOR INCIDENT ACCESS”
- TomTom: collision, “Stationary traffic, Incident”, delay ~30 min
- TomTom: delay now ~11 min (was ~30)
- TomTom: delay now ~6 min (was ~11), “Queuing traffic, Incident”
- TomTom no longer reports it
- All clear: no source reports it any more
- Motorway signs no longer show “LANE CLOSED FOR INCIDENT ACCESS”
- Motorway signs no longer show “STRANDED VEHICLE”
- National Highways: lane closure lifted
- All clear: no source reports it any more
What the sources said
- Queuing traffic, Incident
- Overhead signs read “LANE CLOSED FOR INCIDENT ACCESS” (1 sign; furthest along: M3 westbound between J3 and J4).
- Overhead signs read “STRANDED VEHICLE” (1 sign; furthest along: M3 westbound between J3 and J4).
- M3 westbound between J3 and J4
Other recent incidents on the M3
- M3 crash J4A eastbound
- M3 reported crash J11 eastbound
- M3 crash J3–J2 eastbound
- M3 crash J12–J13 westbound
- M3 crash J3–J2 westbound
- M3 crash J11–J12 westbound
- M3 crash J4–J4A westbound
- M3 crash J10–J11
- M3 crash J2–J3 westbound
- M3 crash J3–J2 eastbound
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.