M40 Traffic Reports

M40 Traffic Reports and Updates

The M40 is one of the busiest routes out of London, with commuters in the Chilterns and around Oxford as well as long-distance traffic to Birmingham.

M40 Traffic Reports Today

A dedicated M40 website is coming soon, in the same style as our other motorway sites. In the meantime, the most complete source of M40 traffic reports is the all-news page on Traffic News England. It lists every current incident, closure and set of roadworks that National Highways reports on England’s motorways and major roads, refreshed every five minutes. Use the road filter to pick the M40, and the search box to narrow it down to the junctions you need.

Regional round-ups covering the M40: South East and West Midlands.

M40 collisions in numbers

How often something happens on the M40, from the Department for Transport’s figures. This is why M40 traffic news changes so often.

about 90

reported injury collisions, 2025

on the M40, or roughly 2 a week. In 2024 there were about 90.

30%

were fatal or serious

The rest were recorded as slight. Every one of them can close a lane and hold up traffic for miles behind.

Source: Department for Transport road casualty statistics, reported injury collisions, 2024 and 2025. Rounded, as a guide rather than a precise count.

For facts about the road itself, its length, route and junctions, see about the M40 motorway.