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CrashStats

HP8 road accidents: crash map and statistics

Police recorded 798 road traffic collisions in the HP8 postcode district, Buckinghamshire, from 1979 to 2025, and 1,072 people were killed or injured in them. Of those collisions, 13 were fatal and 160 were serious.

In 2025 police recorded 5 collisions, up from 2 in 2024.

Collisions since 1979
798
2,283rd of 2,813 postcode districts, highest first
Casualties
1,072
1.34 per collision
Fatal collisions
13
14 people killed
Serious collisions
160
180 seriously injured
Collisions in 2025
5
2 in 2024
Casualties in 2025
5
3 in 2024

Road collision statistics for HP8

Collisions by severity, 1979 to 2025

  • Fatal131.6%
  • Serious16020%
  • Slight62578%

What the data shows

  • HP8 had 63 collisions from 2016 to 2025, 47% fewer than the 120 from 2006 to 2015.
  • 22% of collisions in HP8 were fatal or serious, against 20% across Great Britain.
  • 97 children under 16 were killed or injured in HP8, 9.1% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in HP8.

Where HP8 ranks among 2,813 postcode districts

Most collisions
2,283rd
Most casualties
2,295th
Most fatal collisions
2,336th
Most serious collisions
2,329th

Collisions by day of the week

  • Monday109 (14%)
  • Tuesday100 (13%)
  • Wednesday124 (16%)
  • Thursday136 (17%)
  • Friday135 (17%)
  • Saturday116 (15%)
  • Sunday78 (9.8%)

Light conditions

  • Daylight574 (72%)
  • Dark, no street lighting100 (13%)
  • Dark, street lights lit99 (12%)
  • Dark, lighting unknown20 (2.5%)
  • Dark, street lights unlit5 (0.6%)

Type of road

  • Single carriageway739 (93%)
  • Roundabout53 (6.6%)
  • Dual carriageway4 (0.5%)
  • One way street or slip road1 (0.1%)
  • Not recorded1 (0.1%)

Speed limit at the scene

  • 30 mph282 (35%)
  • 40 mph108 (14%)
  • 50 mph96 (12%)
  • 60 mph312 (39%)

Weather at the time

  • Fine, no high winds646 (81%)
  • Raining, no high winds96 (12%)
  • Fine with high winds10 (1.3%)
  • Raining with high winds8 (1%)
  • Fog or mist7 (0.9%)
  • Snowing, no high winds3 (0.4%)
  • Snowing with high winds2 (0.3%)
  • Other20 (2.5%)
  • Not recorded6 (0.8%)

Who was hurt

  • Car occupant751 (70%)
  • Motorcyclist135 (13%)
  • Pedestrian71 (6.6%)
  • Cyclist50 (4.7%)
  • Van occupant40 (3.7%)
  • Other vehicle occupant11 (1%)
  • Goods vehicle occupant (over 3.5 tonnes)9 (0.8%)
  • Taxi or private hire car occupant5 (0.5%)

Source: Department for Transport, STATS19 road safety data

HP8 road accidents by year

Collisions and casualties in HP8, 1979 to 2025

Collisions in HP8 peaked at 35 in 1985; 2025 had 5.

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202555
202423
202334
202222
202144
202057
20191221
20181113
201788
20161115
20151111
20141730
201379
20121831
20111213
201011
20091320
20081321
20071520
20061321
20051826
20042027
20031117
20021820
20012126
20002531
19991826
19982842
19972733
19962123
19952527
19942024
19931619
19922840
19912431
19902034
19891929
19882742
19872937
19862836
19853542
19842227
19832535
19823543
19812434
19801216
19791926

Map of recent crashes in HP8

Map of the 24 most recent crashes in HP8

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HP8

The 24 most recent collisions in HP8 happened between 16 November 2019 and 24 July 2025.

Severity

Crashes by road in HP8

The A413 has the most collisions in HP8, 228 of 798 (29%), followed by the B4442 (176).

Collisions in HP8 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA413228324242
2ndB4442176241430

Council areas covering HP8

Collisions in HP8 were recorded in 2 council areas. Buckinghamshire has 793 of 798 (99%).

Collisions in HP8 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stBuckinghamshire7931,06513160
2ndThree Rivers5700

Towns in HP8

Collisions in HP8 were recorded in 2 towns, led by Chalfont St Giles (356) and Little Chalfont (148).