Find traffic updates, service providers, tools & more
A23 northbound traffic at 14:45 on Monday 12 October: no major incidents reported — live National Highways updates every 5 minutes.
This page tracks live A23 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 A23 southbound traffic. The full A23 traffic page covers both directions, with the live map, junction-by-junction status, the latest A23 videos and tonight's A23 roadworks.
Q: Is the A23 northbound closed today?
No — as of 14:45 National Highways list no full closure on the A23 northbound. Live updates every 5 minutes.
Q: Are there any accidents on the A23 northbound today?
None reported at 14:45 — the live board above updates every 5 minutes, 24 hours a day.
Q: Why is the A23 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 A23 northbound tonight?
None scheduled as of 14:45. 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 A23 traffic northbound?
Right here — this page is live A23 traffic for the northbound carriageway, updated every 5 minutes from National Highways, 24 hours a day. The full A23 page covers both directions with the live map and junction-by-junction status.
Q: Which part of the A23 does this page cover?
The whole northbound carriageway, end to end — the A23 runs between London (Streatham) and Brighton. The southbound side has its own page.
Daily A23 incidents, posted across all four channels.
🎵 TikTok 32,000+ › ▶️ YouTube 2,000+ › 📸 Instagram 1,500+ › 📘 Facebook NEW › 📢Report an incident›Set it up once. We'll tell you what's happening while you can still turn off.