Skip to main content
CrashStats

HP12 road accidents: crash map and statistics

Police recorded 2,447 road traffic collisions in the HP12 postcode district, Buckinghamshire, from 1979 to 2025, and 3,188 people were killed or injured in them. Of those collisions, 28 were fatal and 423 were serious.

In 2025 police recorded 17 collisions, down 35% on 2024 (26).

Collisions since 1979
2,447
1,542nd of 2,813 postcode districts, highest first
Casualties
3,188
1.30 per collision
Fatal collisions
28
28 people killed
Serious collisions
423
480 seriously injured
Collisions in 2025
17
Down 35% on 2024
Casualties in 2025
22
Down 33% on 2024

Road collision statistics for HP12

Collisions by severity, 1979 to 2025

  • Fatal281.1%
  • Serious42317%
  • Slight1,99682%

What the data shows

  • HP12 had 291 collisions from 2016 to 2025, 30% fewer than the 415 from 2006 to 2015.
  • 18% of collisions in HP12 were fatal or serious, against 20% across Great Britain.
  • 484 children under 16 were killed or injured in HP12, 16% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in HP12.

Where HP12 ranks among 2,813 postcode districts

Most collisions
1,542nd
Most casualties
1,590th
Most fatal collisions
1,907th
Most serious collisions
1,699th

Collisions by day of the week

  • Monday344 (14%)
  • Tuesday356 (15%)
  • Wednesday374 (15%)
  • Thursday354 (14%)
  • Friday413 (17%)
  • Saturday324 (13%)
  • Sunday282 (12%)

Light conditions

  • Daylight1,727 (71%)
  • Dark, street lights lit604 (25%)
  • Dark, no street lighting52 (2.1%)
  • Dark, lighting unknown47 (1.9%)
  • Dark, street lights unlit15 (0.6%)
  • Not recorded2 (0.1%)

Type of road

  • Single carriageway2,028 (83%)
  • Dual carriageway226 (9.2%)
  • Roundabout159 (6.5%)
  • One way street or slip road27 (1.1%)
  • Not recorded7 (0.3%)

Speed limit at the scene

  • 30 mph2,089 (85%)
  • 40 mph67 (2.7%)
  • 50 mph12 (0.5%)
  • 60 mph91 (3.7%)
  • 70 mph188 (7.7%)

Weather at the time

  • Fine, no high winds1,918 (78%)
  • Raining, no high winds352 (14%)
  • Fine with high winds34 (1.4%)
  • Raining with high winds32 (1.3%)
  • Fog or mist18 (0.7%)
  • Snowing, no high winds4 (0.2%)
  • Snowing with high winds2 (0.1%)
  • Other61 (2.5%)
  • Not recorded26 (1.1%)

Who was hurt

  • Car occupant1,906 (60%)
  • Pedestrian547 (17%)
  • Motorcyclist396 (12%)
  • Cyclist175 (5.5%)
  • Van occupant64 (2%)
  • Bus or coach occupant48 (1.5%)
  • Taxi or private hire car occupant18 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)13 (0.4%)
  • Minibus occupant13 (0.4%)
  • Other vehicle occupant5 (0.2%)
  • Other2 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

HP12 road accidents by year

Collisions and casualties in HP12, 1979 to 2025

Collisions in HP12 peaked at 83 in 1991; 2025 had 17.

  • Collisions
  • Collisions in 2025: 17
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251722
20242633
20232739
20223841
20213336
20202838
20193655
20182834
20172332
20163556
20152436
20143139
20132840
20122632
20115060
20104076
20095588
20085672
20075160
20065478
20055782
20045166
20035069
20025873
20016680
20006579
19997088
19987293
19975671
19965775
19955370
19947087
19936283
19927188
199183108
199082102
19897490
19886076
19876078
19866784
19857897
198483106
19836377
19826880
19816181
19803347
19797191

Map of recent crashes in HP12

Map of the 24 most recent crashes in HP12

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HP12

The 24 most recent collisions in HP12 happened between 30 September 2024 and 18 December 2025.

Severity

Crashes by road in HP12

The A4010 has the most collisions in HP12, 409 of 2,447 (17%), followed by the A40 (339).

Collisions in HP12 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4010409512662
2ndA40339443556
3rdM40198312130

Council area for HP12

HP12 is in Buckinghamshire, where police recorded 72,942 collisions from 1979 to 2025. HP12 accounts for 3.4% of them.

Town in HP12

Of the 2,447 collisions in HP12, 2,195 (90%) were in High Wycombe.