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A3(M) northbound traffic at 05:40 on Monday 12 October: no major incidents reported — live National Highways updates every 5 minutes.
This page tracks live A3(M) traffic northbound only — every incident, closure and roadworks National Highways publish for the northbound carriageway, updated every 5 minutes, 24 hours a day. Anything they list without naming a direction is shown here too, so nothing is missed.
Heading the other way? See A3(M) southbound traffic. The full A3(M) traffic page covers both directions, with the live map, junction-by-junction status, the latest A3(M) videos and tonight's A3(M) roadworks.
Q: Is the A3(M) northbound closed today?
No — as of 05:40 National Highways list no full closure on the A3(M) northbound. Live updates every 5 minutes.
Q: Are there any accidents on the A3(M) northbound today?
None reported at 05:40 — the live board above updates every 5 minutes, 24 hours a day.
Q: Why is the A3(M) slow northbound today?
Nothing is listed right now — when the board above is clear, slow northbound traffic is usually rush-hour volume (07:00–09:00 and 16:30–18:30 on weekdays).
Q: Are there roadworks on the A3(M) northbound tonight?
None scheduled as of 05:40. Overnight closures usually run from around 21:00–22:00 to 06:00 — this page lists them the moment National Highways publish them.
Q: Where can I check live A3(M) traffic northbound?
Right here — this page is live A3(M) traffic for the northbound carriageway, updated every 5 minutes from National Highways, 24 hours a day. The full A3(M) page covers both directions with the live map and junction-by-junction status.
Q: Which part of the A3(M) does this page cover?
The whole northbound carriageway, end to end — the A3(M) runs between Horndean and Havant (A27). The southbound side has its own page.
Daily A3(M) incidents, posted across all four channels.
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