No accidents or other live incidents are reported on the M3 right now, and no roadworks closures are in force.
18 closures are planned in the next 7 days, the first starting at 21:00 on Mon 28 Sep.
Closure data as of 05:40 on Monday 28 September 2026, checked every 5 minutes.
The map shows 18 closures planned in the next 7 days and 11 cleared most recently.
Map of closures on the M3
Use the arrow keys to move the map and the plus and minus keys to zoom.
No accidents or other live incidents are reported on the M3 right now.
18 closures are planned in the next 7 days, grouped by the day they start. 21 more are booked for the week after.
11 closures on the M3 cleared in the last 3 days.
Closures stay on this page for 3 days after they clear, then move to the road closure archive, which lists every cleared closure on motorways and major A roads, newest first.
The M3 accident statistics from 1979 to 2025 record 8,670 collisions on the road, 177 of them fatal.