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M25 Traffic.co.uk

Latest M25 traffic news, updates & roadworks

M25 Traffic

Latest M25 Traffic News

0Accidentsnone reported on the M25 that we are aware of0Roadworks activenone active on the M25 that we are aware of13Plannedscheduled on the M25 — see details

Live M25 traffic data from National Highways · updated 06:42 Mon 21 Sept 2026

Todays M25 News and Traffic Updates - New Updated Search Page

Welcome to our M25 traffic news search page. This is where you can find all of today's latest M25 traffic news, current M25 delays, accidents, incidents, congestion and roadworks for the M25 motorway. We feature M25 traffic reports and updates to help you plan your journey around the M25.



24 matching items - showing 1-10 of 24 total available news items

  • M25 J29 anti-clockwise access

    On the signals now60 mph limitAnti-clockwiseJ29 entry slip
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 anti-clockwise, J29 entry slip · on 1 signal
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • M25 anti-clockwise within J21

    On the signals now60 mph limitAnti-clockwiseAt J21
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 anti-clockwise, At J21 · on 2 signals
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • M25 anti-clockwise within J21

    On the signals now50 mph limitAnti-clockwiseAt J21
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 anti-clockwise, At J21 · on 2 signals
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • M25 J21A anti-clockwise access

    On the signals now60 mph advisoryAnti-clockwiseJ21A entry slip
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 anti-clockwise, J21A entry slip · on 1 signal
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • M25 clockwise within J15

    On the signals now40 mph limitClockwiseAt J15
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 clockwise, At J15 · on 3 signals
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • M25 clockwise between J14 and J15

    On the signals now50 mph limitClockwiseBetween J14 & J15
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 clockwise, Between J14 & J15 · on 2 signals
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • link road from M4 J4B to M25 J15 clockwise

    On the signals now40 mph limitClockwiseLink road at J4B
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 clockwise, Link road at J4B · on 1 signal
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • link road from M4 J4B westbound to M25 J15 clockwise

    On the signals now40 mph limitClockwiseLink road at J4B
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 clockwise, Link road at J4B · on 1 signal
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • M25 anti-clockwise within J20

    On the signals now60 mph limitAnti-clockwiseAt J20
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 anti-clockwise, At J20 · on 1 signal
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

  • M25 anti-clockwise within J20

    On the signals now40 mph limitAnti-clockwiseAt J20
    Time now: Monday, 21 September 2026, 06:42

    06:3321 Sept 2026set 8 min ago✓ Checked by us 06:42

    WhereM25 anti-clockwise, At J20 · on 2 signals
    SinceSet 06:33 Mon 21 Sept 2026
    We check these speed signals at least every five minutes. A number in a red ring is a mandatory speed limit; a number on its own is advisory. Always follow the signals you can see on the road.

    • Updated 06:42 Mon 21 Sept 2026

    Powered by National Highways’ Transport Data Feeds.

    Why M25 traffic news never goes quiet

    The Department for Transport counts traffic on the M25 hour by hour. Their count beside junction 14 shows what every regular M25 driver already suspects — on one of the busiest roads in the country there is no quiet time, which is exactly why the latest M25 traffic news today matters more here than on most roads.

    2 seconds apart

    Junction 14, 7–8am

    Heathrow — 14,457 vehicles an hour, both directions. In your lane, that is one every two seconds. Close one lane for ten minutes and 300 have nowhere to go — which is why a shunt becomes an hour of queue.
    TIP: Two seconds behind the vehicle in front is also the Highway Code’s recommended following gap. M25 vehicle spacing is tight at the best of times, so tailgating simply increases the risk of accidents and delays for everyone.

    Midday

    the quietest hour — not mid-afternoon

    12,808 vehicles in the quietest hour of the M25 working day, and it falls at midday. This motorway does not have a lull — it has a slightly smaller peak, all through the working day.
    TIP: If you can move your journey, aim for midday rather than mid-afternoon. Most people guess the other way round.

    No off-peak

    breakfast to teatime

    At the 7am peak the M25 runs at about 90% of what four lanes can carry, and it never drops far below. There is only 12.9% between the busiest and quietest hour of the working day, so roadworks and closures bite whenever they happen.
    TIP: Drivers often try to avoid the rush hour. On the M25 there isn’t a single rush hour — it stays near peak all day. So planning your journey and checking the traffic is even more important.

    6pm

    busiest hour for cars

    11,608 cars an hour. Two rush hours, three peaks: all traffic at 7–8am, lorries at 11am, cars at 6pm — the morning peak is the busiest hour on the road because it is carrying the freight. Two different kinds of traffic news through the day.
    TIP: More cars are on the M25 at 6pm than at any other hour, and Junction 14 is the Heathrow junction. If you are driving to a flight or another appointment you cannot move, leave plenty of wiggle room.

    That is why one lane closed on the M25 becomes a queue so quickly, and why it takes so long to clear. There is no spare capacity to absorb an accident and no quiet hour to recover in. It is also why we update this page with the latest M25 traffic news and accident reports for today every few minutes rather than a few times a day — on a motorway this busy, news that is an hour old is not news.

    Hourly figures are from the Department for Transport’s own count point beside junction 14, counted on 23 April 2025 and published on 20 May 2026.

    M25traffic.co.uk is dedicated to the latest M25 news updated every few minutes, 24 hours a day 7 days a week, 365 days of the year. More features coming. See www.trafficnewsengland.co.uk for ALL ENGLAND traffic news and M1Traffic.co.uk for M1 dedicated news.