Find traffic updates, service providers, tools & more
M4 eastbound traffic at 08:50 on Monday 12 October: road closed northbound until 06:00 Sat 5 Dec · 2 live incidents (2 severe/serious) · 1 closure tonight.
This page tracks live M4 traffic eastbound only — every incident, closure and roadworks National Highways publish for the eastbound 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 M4 westbound traffic. The full M4 traffic page covers both directions, with the live map, junction-by-junction status, the latest M4 videos and tonight's M4 roadworks.
Q: Is the M4 eastbound closed today?
Yes — M4 westbound Jct 20 exit slip road to M5 northbound Jct 15 - carriageway closed, until 06:00 Sat 5 Dec. Full detail in the live board above.
Q: Are there any accidents on the M4 eastbound today?
2 live incidents on the M4 eastbound right now (2 severe or serious) — every one is on the live board above, direct from National Highways.
Q: Why is the M4 slow eastbound today?
Right now: The M4 eastbound between junctions J20 and J19. Congestion. Normal traffic conditions are expected between 09:00 and 09:15 on 12 October 2026. There are currently delays between 50 and 60 minutes against expected traffic. Currently Active — around 53 minutes of delay. Live detail above.
Q: Are there roadworks on the M4 eastbound tonight?
Yes — 2 overnight closures are scheduled on the M4 eastbound. Times and junctions are in the closures list above and on the M4 roadworks page.
Q: Where can I check live M4 traffic eastbound?
Right here — this page is live M4 traffic for the eastbound carriageway, updated every 5 minutes from National Highways, 24 hours a day. The full M4 page covers both directions with the live map and junction-by-junction status.
Q: Which part of the M4 does this page cover?
The whole eastbound carriageway, end to end — the M4 runs between London (Chiswick) and Pont Abraham (Wales). The westbound side has its own page.
Daily M4 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.