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CrashStats

B4033 accidents: crash map and statistics

Police recorded 107 collisions on the B4033 from 1979 to 2025, with 145 casualties. Of those crashes, 6 were fatal and 18 serious, and 6 people were killed.

In 2025 there was 1 collision on the B4033, up from none in 2024, with 1 casualty.

Collisions since 1979
107
3,969th highest of 4,923 roads
Casualties
145
1.36 per collision
Fatal collisions
6
6 people killed
Serious collisions
18
26 seriously injured
Collisions in 2025
1
Up from none in 2024
Casualties in 2025
1
Up from none in 2024

Crash severity on the B4033

On the B4033, 5.6% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal65.6%
  • Serious1817%
  • Slight8378%

Where the B4033 ranks among 4,923 roads

Most collisions
3,969th
Most casualties
3,958th
Most fatal collisions
2,299th
Most serious collisions
4,133rd

B4033 accidents by year

Collisions on the B4033 peaked at 11 in 1986 and were down to 1 in 2025.

Collisions and casualties on the B4033, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202400
202300
202212
202111
202000
201900
201834
201711
201622
201535
201411
201334
201246
201111
201022
200945
200800
200734
200622
200511
200400
200328
200224
200122
200011
199911
199811
199723
199600
199500
199445
199367
199233
199113
199000
198922
198856
198722
19861115
198547
198422
198344
198278
1981812
198022
197925

When crashes happen on the B4033

Wednesday has the most collisions on the B4033 (17), and 6am to 9am is the busiest time of day (21).

Collisions by day of the week

  • Monday16 (15%)
  • Tuesday15 (14%)
  • Wednesday17 (16%)
  • Thursday16 (15%)
  • Friday17 (16%)
  • Saturday13 (12%)
  • Sunday13 (12%)

Collisions by time of day

  • Midnight to 3am3 (2.8%)
  • 3am to 6am0 (0%)
  • 6am to 9am21 (20%)
  • 9am to noon14 (13%)
  • Noon to 3pm14 (13%)
  • 3pm to 6pm20 (19%)
  • 6pm to 9pm19 (18%)
  • 9pm to midnight16 (15%)

Collisions by month

  • January18 (17%)
  • February10 (9.3%)
  • March8 (7.5%)
  • May5 (4.7%)
  • June7 (6.5%)
  • July7 (6.5%)
  • August11 (10%)
  • September7 (6.5%)
  • October11 (10%)
  • November14 (13%)
  • December9 (8.4%)

Light conditions at the time

  • Daylight68 (64%)
  • Dark, no street lighting32 (30%)
  • Dark, street lights lit7 (6.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4033 crashes

On the B4033, 76% of collisions happened where the speed limit was 60 mph and 50% on a dry road surface.

Speed limit at the scene

  • 30 mph25 (23%)
  • 40 mph1 (0.9%)
  • 60 mph81 (76%)

Weather at the time

  • Fine, no high winds82 (77%)
  • Raining, no high winds10 (9.3%)
  • Fine with high winds4 (3.7%)
  • Raining with high winds2 (1.9%)
  • Fog or mist1 (0.9%)
  • Other8 (7.5%)

Road surface

  • Dry53 (50%)
  • Wet or damp40 (37%)
  • Frost or ice13 (12%)
  • Snow1 (0.9%)

Type of road

  • Single carriageway105 (98%)
  • Dual carriageway2 (1.9%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4033 crashes

Car occupants make up 68% of the people killed or injured on the B4033, followed by motorcyclists (11%).

Casualties by road user

  • Car occupant98 (68%)
  • Motorcyclist16 (11%)
  • Pedestrian10 (6.9%)
  • Minibus occupant6 (4.1%)
  • Cyclist5 (3.4%)
  • Van occupant5 (3.4%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (2.8%)
  • Other vehicle occupant1 (0.7%)

Vehicles involved

  • Car131 (73%)
  • Motorcycle16 (8.9%)
  • Goods vehicle over 3.5 tonnes11 (6.1%)
  • Van or goods vehicle up to 3.5 tonnes7 (3.9%)
  • Pedal cycle5 (2.8%)
  • Agricultural vehicle3 (1.7%)
  • Other vehicle3 (1.7%)
  • Other3 (1.7%)

Casualties by age

  • 0 to 54 (2.8%)
  • 6 to 105 (3.4%)
  • 11 to 152 (1.4%)
  • 16 to 2035 (24%)
  • 21 to 2526 (18%)
  • 26 to 3530 (21%)
  • 36 to 4520 (14%)
  • 46 to 5512 (8.3%)
  • 56 to 656 (4.1%)
  • 66 to 751 (0.7%)
  • Over 752 (1.4%)
  • Not recorded2 (1.4%)

Drivers, passengers and pedestrians

  • Driver or rider101 (70%)
  • Passenger34 (23%)
  • Pedestrian10 (6.9%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4033

Map of the 25 most recent crashes on the B4033

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4033 crashes by council area

Collisions on the B4033 were recorded in 2 council areas. Buckinghamshire has the most, with 92, followed by Milton Keynes (14).

Collisions on the B4033 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBuckinghamshire92126515
2ndMilton Keynes141812

B4033 crashes by town

Of the 107 collisions on the B4033, 6 were in the built-up area of Milton Keynes.

Recent crashes on the B4033

These are the 25 most recent collisions on the B4033, from 4 February 2009 to 13 February 2025.

Severity