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M3 right nowUpdated 19:35

No incidents on the M3 in the latest live update. Roadworks and planned closures are on the live page.

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About the M3

  • M3 Motorway · 52 miles
  • London (Sunbury) → Southampton (M27)
  • Passes Sunbury, Basingstoke, Winchester, Southampton
  • Busiest 07:00–09:30 and 16:30–19:00
  • Connects with
    M25M27A34
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M3 ACCIDENT | EB (NB · London-bound) | 3 of 4 LANES CLOSED J13 (Chandler's Ford / Hursley / B3043) – J12 (Eastleigh / Otterbourne / A335) HAMPSHIRE | NEAR: Southampton | Fair Oak | Twyford | Alresford First reported after 17:00 BST | 13-OCT-26 Active | Long Delays | Rush Hour M3 delays nM3 COLLISION | WB CLOSED | EB LANE CLOSURE J12 (Eastleigh / Otterbourne / A335) – J13 (Chandler's Ford / Hursley / B3043) HAMPSHIRE | NEAR: Southampton | Winchester | Romsey | Fareham First reported before 12:00 BST | 04-OCT-26 Active | Road Closed WB | Eastbound Lane Closed | 30+ Min De

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⚡ Early Warning System
We detected congestion building on the M3 43 minutes before this incident was officially reported.
In the last 30 days, we've detected 691 incidents on the M3 an average of 2901 minutes early.
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