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UK Traffic Updates · Road Safety Intelligence · 23 September 2026

Road Safety Report

M40 — 8 January 2020 to 27 December 2025

Data Source: DfT STATS19 Police-Recorded Collision Data · OGL v3.0 · Generated 23 September 2026
480Total Collisions
23Fatal
741Casualties
6Years of Data
1. Executive Summary
79
UKTU Danger Score / 100
Very High Risk

This report covers 480 police-recorded collisions on the M40 between 8 January 2020 and 27 December 2025. The data is sourced from the Department for Transport STATS19 dataset and reflects incidents reported to police forces across England and Wales.

Of these collisions, 23 were fatal (4.8%), 115 were serious (24%), and 342 resulted in slight injuries. A total of 741 casualties were recorded across 1,042 vehicles.

The UKTU Danger Score of 79/100 is calculated from collision frequency, fatality count, severity ratio, and total casualty count.

480Collisions
23Fatal
115Serious
342Slight
741Casualties
69mphAvg Speed Limit
2. Year-on-Year Trend

📈 Increasing — collisions increased from 79 to 91

2020 (2F)
79
122 cas
2021 (3F)
72
103 cas
2022 (4F)
93
130 cas
2023 (5F)
55
105 cas
2024 (5F)
90
138 cas
2025 (4F)
91
143 cas
4. Collision Conditions Analysis

🌤️ Weather Conditions

Fine no high winds
379
Raining no high wind
78
Raining + high winds
10
Fine + high winds
7
Other
2
Fog or mist
1

🛣️ Road Surface

Dry
339
Wet or damp
138
Flood over 3cm
2
Frost or ice
1

💡 Light Conditions

Daylight
278
Darkness - no lighting
127
Darkness - lights lit
61
Darkness - lighting un
10
Darkness - lights unli
4

🚦 Speed Limit Zones

70mph
460
60mph
8
40mph
4
50mph
4
30mph
3
20mph
1
5. Day of Week Pattern
Sun
74
74
Mon
66
66
Tue
56
56
Wed
64
64
Thu
59
59
Fri
83
83
Sat
78
78
6. Vehicle Types Involved
Car
788
788
Goods over 3.5t under 7.5t
111
111
Van/Goods 3.5t or under
88
88
Goods 7.5t and over
19
19
Motorcycle over 500cc
16
16
Taxi/Private hire
12
12
Goods unknown weight
3
3
Motorcycle unknown cc
1
1
7. Fatal Collision Records (20)
ReferenceDateTimeJunctionSpeedWeatherCasualtiesVehicles
2025430470168 13 Sep 2025 21:10 Not at junction 70mph Fine no high winds 2 1
2025430349522 12 Jul 2025 01:13 Not at junction 70mph Fine no high winds 2 2
2025231578047 11 Apr 2025 08:47 Not at junction 70mph Fine no high winds 1 2
2025430144124 24 Mar 2025 22:41 Not at junction 70mph Fine no high winds 4 2
2024231498279 28 Sep 2024 19:10 Not at junction 70mph Fine no high winds 3 6
2024231490645 12 Sep 2024 05:39 Not at junction 70mph Fine no high winds 1 2
2024231441135 08 May 2024 02:55 Not at junction 70mph Fine no high winds 2 2
2024430198522 30 Apr 2024 12:41 Not at junction 70mph Fine no high winds 1 1
2024430031296 21 Jan 2024 04:09 Not at junction 70mph Raining + high winds 1 4
2023231330049 15 Jul 2023 18:09 Not at junction 70mph Fine no high winds 2 2
2023430223925 22 May 2023 12:01 Not at junction 70mph Fine no high winds 5 2
2023430217234 18 May 2023 09:08 Not at junction 70mph Fine no high winds 5 1
2023231297783 11 Apr 2023 07:36 Not at junction 70mph Fine no high winds 1 5
2023430032159 23 Jan 2023 08:13 Not at junction 70mph Fine no high winds 12 6
2022231223258 24 Sep 2022 19:55 Not at junction 70mph Fine no high winds 3 4
2022231168130 16 Apr 2022 19:17 Not at junction 70mph Fine no high winds 1 1
2022430157746 05 Apr 2022 04:20 Not at junction 70mph Fine no high winds 1 1
2022430046205 31 Jan 2022 17:53 Not at junction 70mph Fine no high winds 1 3
2021430503143 07 Nov 2021 10:54 Not at junction 70mph Fine no high winds 3 2
2021430100736 10 Mar 2021 17:43 Not at junction 70mph Fine no high winds 1 2