Closure
M40 Northbound, Jct 2 to Jct 4 carriageway closure
from 22:15
Tonight
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M40 northbound traffic at 02:48 on Monday 12 October: 1 closure tonight.
This page tracks live M40 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 M40 southbound traffic. The full M40 traffic page covers both directions, with the live map, junction-by-junction status, the latest M40 videos and tonight's M40 roadworks.
Q: Is the M40 northbound closed today?
No — as of 02:48 National Highways list no full closure on the M40 northbound. Live updates every 5 minutes.
Q: Are there any accidents on the M40 northbound today?
None reported at 02:48 — the live board above updates every 5 minutes, 24 hours a day.
Q: Why is the M40 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 M40 northbound tonight?
Yes — 1 overnight closure is scheduled on the M40 northbound. Times and junctions are in the closures list above and on the M40 roadworks page.
Q: Where can I check live M40 traffic northbound?
Right here — this page is live M40 traffic for the northbound carriageway, updated every 5 minutes from National Highways, 24 hours a day. The full M40 page covers both directions with the live map and junction-by-junction status.
Q: Which part of the M40 does this page cover?
The whole northbound carriageway, end to end — the M40 runs between London (M25 J16) and Birmingham (M42). The southbound side has its own page.
Daily M40 incidents, posted across all four channels.
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