Home › Traffic › M40 › Incident #25890303

● LIVE Severe Road Traffic Collision M40 Northbound

M40 northbound within J1A before M25 J16 anti-clockwise access | Northbound | Accident

🕐 15 May 2026, 08:34 👁️ 139 views REF-25890303 🕐 Last verified 15 May, 08:34

👁️ 139 viewed today ⚡ Live — updating now ✓ National Highways verified

📡

Official Source Data — This incident was recorded from National Highways live data feeds at the time it was reported. Incident data is removed from public feeds once cleared — this page preserves that record.

📊 Incident Summary

Status

● Active

Severity

Severe

Road

M40

Region

Northbound

Category

Crash

Started

15 May, 08:34

Road Type

Motorway

Speed Limit

70 mph (variable)

Weather

☁️ Overcast

Road Risk (30d)

Very High

More severe than 70% of incidents on M40 this month

📝 Description

Location : The M40 northbound at junction J1A . Lane Closures : Lane three is closed. Reason : Road traffic collision....

Status : Currently Active.
Time To Clear : The event is expected to clear between 09:30 and 09:45 on 15 May 2026.
Lanes Closed : There is one of three lanes closed.

🔒

Full Incident Description

Complete details including emergency services, lane closures, clearance estimates and diversions

🔍 Were you on this road?

Enter the time you were travelling and we'll check if this incident affected your journey.

⏱️ Timeline & Duration Analysis

First Reported

08:34 GMT

Peak Delay

██:██ GMT

Cleared

██:██ GMT

🔒

Timeline & Duration Analysis

Full timestamps, peak delay window, clearance time

🛡️ Incident Data Pack

Ref: NH-UKTU-25890303

GPS: 51.56°N, ████°W

Road: Motorway, 70 mph (variable)

Conditions: Dry

🛡️

Incident Data Pack

GPS, weather, road conditions — full incident documentation

📈 Historical Pattern — M40

30d Total

Severe

📈

30-Day Historical Pattern

Frequency, severity trends, peak danger times

📡

Live Incident Timeline

78 updates captured · Cleared

PREMIUM

M40 · Northbound ✓ CLEARED

📋 Your Premium Report includes 78 timestamped updates:

✓ 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.

❓ Common Questions

Can I use this for insurance?

The report includes a unique reference, GPS coordinates, timestamps, duration and severity. This information may help support your insurance claim, though acceptance is at your insurer's discretion.

What format is the report?

Downloadable PDF. Save, print, or email directly to your insurer, employer, or solicitor.

How quickly do I get it?

Instantly after payment via Stripe. Download as PDF — save, print, or email to your insurer, employer, or solicitor.

Is my payment secure?

Processed by Stripe — same provider used by Amazon, Google, and Deliveroo. We never see your card details.

What's the difference between Standard and Premium?

Standard gives you the proof — full description, GPS, weather, evidence statement, PDF. Premium adds the full lifecycle — every National Highways update timestamped, emergency services, nearby incidents, road history, blackspot analysis, and a QR verification code.

Do credits expire?

No. Credits never expire. Use them on any incident, any road, any time.

📤 Share

💬 WhatsApp 𝕏 Post 📘 Facebook ✈️ Telegram

🔔 Get M40 Alerts

Get notified about future incidents on M40.

🔗 Recent M40 Incidents

7 Aug

Severe M40 | Oxfordshire | Carriageway Closure | Severe Delays 2 hours

10 Jul

Severe M40 | Buckinghamshire | Carriageway Closure | Expect Delays

4 Jul

Severe M40 | Oxfordshire | Carriageway Closure | Delays

29 Jun

Moderate M40 J4 northbound exit | Northbound | Congestion

29 Jun

Moderate M40 J4 northbound exit | Northbound | Congestion

28 Jun

Severe M40 southbound between J5 and J4 | Southbound | Accident

View all M40 incidents →

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.

📊 M40 — 30 Days

Total

Severe

🔗 Explore

🚦 Hub 📋 Archive 🗺️ Map 🔍 Affected? 🛣️ M40 🛣️ National Highways

Start typing to search

M40 northbound within J1A before M25 J16 anti-clockwise access | Northbound | Accident