Closure
A12 southbound Jct 25 to 23 carriageway closure
from 21:00 Wed 14 Oct
Wed 14 Oct
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A12 southbound traffic at 03:58 on Monday 12 October: no major incidents reported — live National Highways updates every 5 minutes.
This page tracks live A12 traffic southbound only — every incident, closure and roadworks National Highways publish for the southbound 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 A12 northbound traffic. The full A12 traffic page covers both directions, with the live map, junction-by-junction status, the latest A12 videos and tonight's A12 roadworks.
Q: Is the A12 southbound closed today?
No — as of 03:58 National Highways list no full closure on the A12 southbound. Live updates every 5 minutes.
Q: Are there any accidents on the A12 southbound today?
None reported at 03:58 — the live board above updates every 5 minutes, 24 hours a day.
Q: Why is the A12 slow southbound today?
Nothing is listed right now — when the board above is clear, slow southbound traffic is usually rush-hour volume (07:00–09:00 and 16:30–18:30 on weekdays).
Q: Are there roadworks on the A12 southbound tonight?
Yes — 1 overnight closure is scheduled on the A12 southbound. Times and junctions are in the closures list above and on the A12 roadworks page.
Q: Where can I check live A12 traffic southbound?
Right here — this page is live A12 traffic for the southbound carriageway, updated every 5 minutes from National Highways, 24 hours a day. The full A12 page covers both directions with the live map and junction-by-junction status.
Q: Which part of the A12 does this page cover?
The whole southbound carriageway, end to end — the A12 runs between London (Aldgate) and Great Yarmouth. The northbound side has its own page.
Daily A12 incidents, posted across all four channels.
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