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A3(M) Blackspot analysis

Recorded collisions · 87 combined incidents · 2 fatal · Showing full road data

85Police Collisions
2Fatal
14Serious
124Casualties
2NH Incidents
87Combined

📍 Each pin marks an actual police-recorded collision location · Zoom in and click for details

👁️ Free preview — 0 more free views today. Keep it: A3(M) Road Pass, £19.99 with 8 credits for the police records →

What the record shows

Ranking is still being computed for this location. The collision record below is complete.

Fatal: 2 (2.4%) Serious: 14 (16.5%) Slight: 69 (81.2%) 85 collisions
Fatal 2 2.4%
Serious 14 16.5%
Slight 69 81.2%

When it happens

Is there a pattern in time?

Collisions by year6 years on record
15 20
14 21
15 22
19 23
10 24
12 25
By month
J
F
M
A
M
J
J
A
S
O
N
D
By dayBusiest: Thursday
8 M
11 T
17 W
18 T
10 F
14 S
7 S

What was present

Conditions recorded by police at the scene — most commonly fine no high winds

Weather
Fine no high winds76%
Raining no high winds16%
Raining + high winds6%
Fine + high winds1%
Road surface
Dry62%
Wet or damp32%
Flood over 3cm4%
Frost or ice2%
Light
Daylight64%
Darkness - no lighting28%
Darkness - lights lit6%
Darkness - lights unlit1%
Darkness - lighting unknown1%
Speed limit where collisions occurred
40mph
3
50mph
2
60mph
6
70mph
74

Police collision records

Showing the 50 most recent of 85 DfT STATS19 police-recorded collisions on the A3(M). Tap a row for its conditions. Open shows the full police record – vehicles, drivers, casualties – for 1 credit (slight), 2 (serious) or 3 (fatal); records you have opened say so.

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Data Sources: DfT STATS19 police-recorded collision data and National Highways incident data, both under Open Government Licence v3.0. This is historical DfT statistical data — not an official police report. Blackspot classification is algorithmic and not an official safety assessment. © 2026 UK Traffic Updates.