🚨 Emergency? Call 999 · Motorway breakdown? 0300 123 5000
Search
LIVE
Loading incidents...

Start typing to search

Find traffic updates, service providers, tools & more

📢 Seen an incident on this road? Report it in 30 seconds Report ›

At a glance

🕐 Last verified 11 Mar, 22:05

Loading the map…
StatusCleared
Severity (NH)Severe
RoadM1
DirectionSouthbound
RegionEastern
CountyHertfordshire
Category (NH)Accident
ReportedWed 11 Mar, 21:04
Cleared22:05
Lasted1h
Road typeMotorway
Speed limit70 mph (variable)
Weather🌤️ Mainly clear
ReferenceREF-23871626

Times are UK time.

What National Highways say

M1 southbound between J8 and J6A | Southbound | Accident

Location : The M1 southbound between junctions J8 and J6 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 22:00 and 22:15 on 11 March 2026. Return To Normal : Normal traffic conditions are expected between 22:00 and 22:15 on 11 March 2026. Lanes Closed : There is one of four lanes closed.

The official National Highways record of this incident, kept here after the road reopens.

Were you on the M1?

Enter when you were travelling to see if this incident was active at the time.

📡

Live Incident Timeline

1 update captured · Cleared

PREMIUM
M1 ✓ CLEARED

📋 Your Premium Report includes 1 timestamped update:

✓ Full timestamped update timeline
✓ Green-highlighted changes each update
✓ All 1 affected segments tracked
✓ Expected clear time per segment
✓ Weather & road surface at incident
✓ Emergency services confirmed
✓ Insurance claim checklist
✓ 3 ready-to-use template letters

A police collision report costs £215+ and takes 6–8 months. This report is available within minutes.

🚗 Were you caught in this incident?

Leave your email and we'll notify you when this incident is cleared and the full report is ready — useful for insurance or work.

We won't spam you. You'll get one email when this incident clears so you can grab the full report. This is an independent evidence report from official National Highways / TfL data — not a police report.

Also on the M1 today

M1 - Incident21m ago M1 - Incident38m ago M1 - Incident1h ago

Recent M1 incidents

274 incidents and roadworks logged on the M1 in the last 30 days, 125 of them serious or severe. Times are UK time.

M1 | Leicestershire | Carriageway Closure | DelaysMon 7 Sep, 04:14 M1 | Leicestershire | Road Closure | DelaysMon 7 Sep, 04:14 M1 | Leicestershire | Road Closure | Expect DelaysSat 5 Sep, 18:48 M1 | South Yorkshire | Carriageway Closure | Expect DelaysSat 5 Sep, 10:41 M1 | Leicestershire | Carriageway Closure | Long Delays 45 minutesMon 31 Aug, 13:55 M1 | Nottinghamshire | Carriageway Closure | Expect DelaysSun 23 Aug, 21:55
Every M1 incident

Common questions

Is the M1 closed?

Not because of this crash. It cleared at 22:05 UK time on Wed 11 Mar. See the M1 right now.

What happened on the M1 on 11 Mar 2026?

Crash on the M1 southbound J8 to J6A in Hertfordshire, reported at 21:04 UK time on Wed 11 Mar. Cleared at 22:05.

How long did it last?

1h, from 21:04 UK time on Wed 11 Mar.

Where can I see everything else on the M1?

The M1 live page shows what is happening now, and the M1 archive has every incident on record.

Share

WhatsApp Facebook X Telegram

Get M1 alerts

Free email alerts when something happens on the M1.

Early Warning · 7 days free

Know before you set off

Early Warning sends crashes, closures and long delays on your roads straight to your phone, plus email and Telegram.

Start my 7-day free trial

7 days free, then from £2.99 a month. Renews monthly until you cancel. Cancel within the 7 days and you won’t be charged.

Seen something on the road?Tell us once you've stopped somewhere safe. It takes a few taps and helps everyone heading that way.Report it

UK Traffic Updates is not a law firm and does not provide legal advice. We sell incident data and evidence reports only. We do not refer you to a solicitor, and we do not pass your details to anyone.

© 2026 UK Traffic Updates. Powered by National Highways’ Transport Data Feeds.

📄 Get Report