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CrashStats

A4012 accidents: crash map and statistics

Police recorded 693 collisions on the A4012 from 1979 to 2025, with 970 casualties. Of those crashes, 19 were fatal and 135 serious, and 22 people were killed.

In 2025 there were 5 collisions on the A4012, up 67% from 3 in 2024, with 5 casualties.

Collisions since 1979
693
1,517th highest of 4,923 roads
Casualties
970
1.40 per collision
Fatal collisions
19
22 people killed
Serious collisions
135
164 seriously injured
Collisions in 2025
5
Up 67% on 2024
Casualties in 2025
5
Up 67% on 2024

Crash severity on the A4012

On the A4012, 2.7% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal192.7%
  • Serious13519%
  • Slight53978%

Where the A4012 ranks among 4,923 roads

Most collisions
1,517th
Most casualties
1,466th
Most fatal collisions
1,031st
Most serious collisions
1,494th

A4012 accidents by year

Collisions on the A4012 peaked at 28 in 1985 and were down to 5 in 2025.

Collisions and casualties on the A4012, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202555
202433
202377
202246
20211218
202069
201999
2018610
201789
20161416
20151011
20141727
20131013
20121014
20111928
20101315
20091520
20081424
20072229
2006713
20051722
20041419
20031115
20021218
20012242
20001418
19991018
19981927
19971523
19961822
19951420
19941417
19931624
19922027
19912746
19902433
19891927
19882439
19872633
19862634
19852837
19841421
19831622
19822025
19811724
19801417
19791114

When crashes happen on the A4012

Thursday has the most collisions on the A4012 (108), and 3pm to 6pm is the busiest time of day (165).

Collisions by day of the week

  • Monday89 (13%)
  • Tuesday89 (13%)
  • Wednesday103 (15%)
  • Thursday108 (16%)
  • Friday107 (15%)
  • Saturday108 (16%)
  • Sunday89 (13%)

Collisions by time of day

  • Midnight to 3am34 (4.9%)
  • 3am to 6am16 (2.3%)
  • 6am to 9am95 (14%)
  • 9am to noon108 (16%)
  • Noon to 3pm102 (15%)
  • 3pm to 6pm165 (24%)
  • 6pm to 9pm109 (16%)
  • 9pm to midnight64 (9.2%)

Collisions by month

  • January71 (10%)
  • February46 (6.6%)
  • March60 (8.7%)
  • April55 (7.9%)
  • May63 (9.1%)
  • June59 (8.5%)
  • July56 (8.1%)
  • August53 (7.6%)
  • September48 (6.9%)
  • October52 (7.5%)
  • November58 (8.4%)
  • December72 (10%)

Light conditions at the time

  • Daylight482 (70%)
  • Dark, no street lighting123 (18%)
  • Dark, street lights lit84 (12%)
  • Dark, street lights unlit3 (0.4%)
  • Dark, lighting unknown1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4012 crashes

On the A4012, 55% of collisions happened where the speed limit was 60 mph and 59% on a dry road surface.

Speed limit at the scene

  • 20 mph16 (2.3%)
  • 30 mph256 (37%)
  • 40 mph41 (5.9%)
  • 50 mph2 (0.3%)
  • 60 mph378 (55%)

Weather at the time

  • Fine, no high winds525 (76%)
  • Raining, no high winds93 (13%)
  • Fine with high winds24 (3.5%)
  • Raining with high winds11 (1.6%)
  • Other32 (4.6%)
  • Not recorded8 (1.2%)

Road surface

  • Dry412 (59%)
  • Wet or damp242 (35%)
  • Frost or ice32 (4.6%)
  • Snow4 (0.6%)
  • Flood over 3cm deep2 (0.3%)
  • Not recorded1 (0.1%)

Type of road

  • Single carriageway670 (97%)
  • Roundabout18 (2.6%)
  • Dual carriageway2 (0.3%)
  • One way street or slip road2 (0.3%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4012 crashes

Car occupants make up 67% of the people killed or injured on the A4012, followed by motorcyclists (11%).

Casualties by road user

  • Car occupant647 (67%)
  • Motorcyclist106 (11%)
  • Pedestrian83 (8.6%)
  • Cyclist58 (6%)
  • Van occupant45 (4.6%)
  • Goods vehicle occupant (over 3.5 tonnes)16 (1.6%)
  • Bus or coach occupant7 (0.7%)
  • Other8 (0.8%)

Vehicles involved

  • Car893 (73%)
  • Motorcycle106 (8.6%)
  • Van or goods vehicle up to 3.5 tonnes86 (7%)
  • Pedal cycle59 (4.8%)
  • Goods vehicle over 3.5 tonnes45 (3.7%)
  • Bus or coach10 (0.8%)
  • Other vehicle10 (0.8%)
  • Other18 (1.5%)

Casualties by age

  • 0 to 519 (2%)
  • 6 to 1027 (2.8%)
  • 11 to 1543 (4.4%)
  • 16 to 20179 (18%)
  • 21 to 25148 (15%)
  • 26 to 35224 (23%)
  • 36 to 45151 (16%)
  • 46 to 5591 (9.4%)
  • 56 to 6552 (5.4%)
  • 66 to 7521 (2.2%)
  • Over 7513 (1.3%)
  • Not recorded2 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider653 (67%)
  • Passenger234 (24%)
  • Pedestrian83 (8.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4012

Map of the 25 most recent crashes on the A4012

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 25 crashes
  • Serious
  • Slight

A4012 crashes by council area

Of the 693 collisions on the A4012, 688 were in Central Bedfordshire.

Collisions on the A4012 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCentral Bedfordshire68896319133

A4012 crashes by town

Collisions on the A4012 were recorded in 2 towns and built-up areas, led by Leighton Buzzard (248) and Hockliffe (5).

Recent crashes on the A4012

These are the 25 most recent collisions on the A4012, from 21 April 2021 to 19 November 2025.

Severity