roundabout at M4 J3/A312 · Clockwise
M4 Jct 3 roundabout lane 1 closure
Start Mon, 9 Nov 2026, 22:00End Tue, 10 Nov 2026, 05:30
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Road closures
There are currently no live road closures on the A312, with 1 closure scheduled.
0 full road closures · 1 lane closure · 1 National Highways event
M4 Jct 3 roundabout lane 1 closure
Start Mon, 9 Nov 2026, 22:00End Tue, 10 Nov 2026, 05:30
0 live closures are recorded in the area covered by this page, combining local roadworks data and National Highways records.
1 scheduled closures are recorded. Check each listing for its affected location and recorded start and end dates.
Check affected locations and dates before travelling on the A312. All A312 roadworks · Browse road closures