Skip to main content
CrashStats

HP27 road accidents: crash map and statistics

Police recorded 1,479 road traffic collisions in the HP27 postcode district, Buckinghamshire, from 1979 to 2025, and 2,015 people were killed or injured in them. Of those collisions, 41 were fatal and 292 were serious.

In 2025 police recorded 13 collisions, up from 11 in 2024.

Collisions since 1979
1,479
1,976th of 2,813 postcode districts, highest first
Casualties
2,015
1.36 per collision
Fatal collisions
41
42 people killed
Serious collisions
292
351 seriously injured
Collisions in 2025
13
11 in 2024
Casualties in 2025
20
15 in 2024

Road collision statistics for HP27

Collisions by severity, 1979 to 2025

  • Fatal412.8%
  • Serious29220%
  • Slight1,14677%

What the data shows

  • HP27 had 126 collisions from 2016 to 2025, 45% fewer than the 230 from 2006 to 2015.
  • 23% of collisions in HP27 were fatal or serious, against 20% across Great Britain.
  • 175 children under 16 were killed or injured in HP27, 8.9% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 38% of collisions in HP27.

Where HP27 ranks among 2,813 postcode districts

Most collisions
1,976th
Most casualties
1,999th
Most fatal collisions
1,464th
Most serious collisions
2,027th

Collisions by day of the week

  • Monday213 (14%)
  • Tuesday237 (16%)
  • Wednesday218 (15%)
  • Thursday177 (12%)
  • Friday251 (17%)
  • Saturday188 (13%)
  • Sunday195 (13%)

Light conditions

  • Daylight1,082 (73%)
  • Dark, no street lighting243 (16%)
  • Dark, street lights lit125 (8.5%)
  • Dark, lighting unknown24 (1.6%)
  • Dark, street lights unlit3 (0.2%)
  • Not recorded2 (0.1%)

Type of road

  • Single carriageway1,393 (94%)
  • Roundabout65 (4.4%)
  • Dual carriageway9 (0.6%)
  • One way street or slip road9 (0.6%)
  • Not recorded3 (0.2%)

Speed limit at the scene

  • 30 mph529 (36%)
  • 40 mph126 (8.5%)
  • 50 mph67 (4.5%)
  • 60 mph756 (51%)
  • 70 mph1 (0.1%)

Weather at the time

  • Fine, no high winds1,143 (77%)
  • Raining, no high winds190 (13%)
  • Fine with high winds28 (1.9%)
  • Raining with high winds21 (1.4%)
  • Fog or mist20 (1.4%)
  • Snowing, no high winds10 (0.7%)
  • Snowing with high winds3 (0.2%)
  • Other53 (3.6%)
  • Not recorded11 (0.7%)

Who was hurt

  • Car occupant1,378 (68%)
  • Motorcyclist235 (12%)
  • Pedestrian158 (7.8%)
  • Cyclist125 (6.2%)
  • Van occupant69 (3.4%)
  • Other vehicle occupant18 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)12 (0.6%)
  • Bus or coach occupant9 (0.4%)
  • Taxi or private hire car occupant7 (0.3%)
  • Minibus occupant2 (0.1%)
  • Other2 (0.1%)

Source: Department for Transport, STATS19 road safety data

HP27 road accidents by year

Collisions and casualties in HP27, 1979 to 2025

Collisions in HP27 peaked at 58 in 1986; 2025 had 13.

  • Collisions
  • Collisions in 2025: 13
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251320
20241115
20231112
20221115
202166
20201416
20191114
20181622
20171316
20162024
20151620
20143149
20131823
20122334
20112330
20101823
20092127
20082130
20072434
20063559
20054357
20043347
20034355
20024460
20014365
20003752
19994257
19984557
19974767
19963450
19953650
19943544
19933752
19924163
19913645
19904555
19893648
19884556
19874057
19865871
19854865
19845074
19835272
19824458
19814360
19802733
19793956

Map of recent crashes in HP27

Map of the 24 most recent crashes in HP27

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HP27

The 24 most recent collisions in HP27 happened between 10 January 2024 and 21 December 2025.

Severity

Crashes by road in HP27

The A4010 has the most collisions in HP27, 563 of 1,479 (38%), followed by the B4009 (217).

Collisions in HP27 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA401056377516102
2ndB4009217315947
3rdA4129170226330
4thB44446687218

Council area for HP27

HP27 is in Buckinghamshire, where police recorded 72,942 collisions from 1979 to 2025. HP27 accounts for 2% of them.

Town in HP27

Of the 1,479 collisions in HP27, 476 (32%) were in Princes Risborough.