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CrashStats

HP7 road accidents: crash map and statistics

Police recorded 2,157 road traffic collisions in the HP7 postcode district, Buckinghamshire, from 1979 to 2025, and 3,086 people were killed or injured in them. Of those collisions, 66 were fatal and 422 were serious.

In 2025 police recorded 15 collisions, up from 14 in 2024.

Collisions since 1979
2,157
1,676th of 2,813 postcode districts, highest first
Casualties
3,086
1.43 per collision
Fatal collisions
66
76 people killed
Serious collisions
422
537 seriously injured
Collisions in 2025
15
14 in 2024
Casualties in 2025
19
19 in 2024

Road collision statistics for HP7

Collisions by severity, 1979 to 2025

  • Fatal663.1%
  • Serious42220%
  • Slight1,66977%

What the data shows

  • HP7 had 154 collisions from 2016 to 2025, 56% fewer than the 350 from 2006 to 2015.
  • 23% of collisions in HP7 were fatal or serious, against 20% across Great Britain.
  • 217 children under 16 were killed or injured in HP7, 7.2% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 38% of collisions in HP7.

Where HP7 ranks among 2,813 postcode districts

Most collisions
1,676th
Most casualties
1,631st
Most fatal collisions
772nd
Most serious collisions
1,701st

Collisions by day of the week

  • Monday304 (14%)
  • Tuesday320 (15%)
  • Wednesday339 (16%)
  • Thursday346 (16%)
  • Friday371 (17%)
  • Saturday258 (12%)
  • Sunday219 (10%)

Light conditions

  • Daylight1,561 (72%)
  • Dark, street lights lit322 (15%)
  • Dark, no street lighting231 (11%)
  • Dark, lighting unknown33 (1.5%)
  • Dark, street lights unlit10 (0.5%)

Type of road

  • Single carriageway1,758 (82%)
  • Roundabout248 (11%)
  • Dual carriageway140 (6.5%)
  • One way street or slip road3 (0.1%)
  • Not recorded8 (0.4%)

Speed limit at the scene

  • 30 mph841 (39%)
  • 40 mph183 (8.5%)
  • 50 mph207 (9.6%)
  • 60 mph832 (39%)
  • 70 mph93 (4.3%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds1,709 (79%)
  • Raining, no high winds263 (12%)
  • Raining with high winds37 (1.7%)
  • Fine with high winds24 (1.1%)
  • Fog or mist21 (1%)
  • Snowing, no high winds16 (0.7%)
  • Other65 (3%)
  • Not recorded22 (1%)

Who was hurt

  • Car occupant2,145 (70%)
  • Motorcyclist342 (11%)
  • Pedestrian264 (8.6%)
  • Cyclist164 (5.3%)
  • Van occupant78 (2.5%)
  • Bus or coach occupant34 (1.1%)
  • Goods vehicle occupant (over 3.5 tonnes)23 (0.7%)
  • Minibus occupant17 (0.6%)
  • Taxi or private hire car occupant10 (0.3%)
  • Other vehicle occupant7 (0.2%)
  • Other2 (0.1%)

Source: Department for Transport, STATS19 road safety data

HP7 road accidents by year

Collisions and casualties in HP7, 1979 to 2025

Collisions in HP7 peaked at 86 in 1984; 2025 had 15.

  • Collisions
  • Collisions in 2025: 15
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251519
20241419
20231213
20221217
20211215
2020912
20192130
20181722
20171727
20162533
20151931
20142531
20133454
20123442
20112440
20103767
20095078
20083044
20073649
20066187
20055683
20045472
20034763
20025886
20016078
20006492
19995673
199874101
19975165
19965467
19955280
199468103
199371107
19926286
19915578
19905983
19896299
198872103
19874764
19866697
198568118
198486122
19837097
19826897
198174103
19804459
19795580

Map of recent crashes in HP7

Map of the 24 most recent crashes in HP7

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HP7

The 24 most recent collisions in HP7 happened between 3 March 2024 and 22 December 2025.

Severity

Crashes by road in HP7

The A404 has the most collisions in HP7, 752 of 2,157 (35%), followed by the A413 (585).

Collisions in HP7 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4047521,08328163
2ndA41358587925115
3rdA355287417755
4thA416106146117
5thB4442142203

Council area for HP7

HP7 is in Buckinghamshire, where police recorded 72,942 collisions from 1979 to 2025. HP7 accounts for 3% of them.

Towns in HP7

Collisions in HP7 were recorded in 2 towns, led by Amersham (735) and Little Chalfont (198).