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CrashStats

HP15 road accidents: crash map and statistics

Collisions since 1979
1,688
1,900th of 2,813 postcode districts, highest first
Casualties
2,297
1.36 per collision
Fatal collisions
22
22 people killed
Serious collisions
314
368 seriously injured
Collisions in 2025
11
14 in 2024
Casualties in 2025
12
17 in 2024

Road collision statistics for HP15

Collisions by severity, 1979 to 2025

  • Fatal221.3%
  • Serious31419%
  • Slight1,35280%

What the data shows

  • HP15 had 146 collisions from 2016 to 2025, 35% fewer than the 224 from 2006 to 2015.
  • 20% of collisions in HP15 were fatal or serious, against 20% across Great Britain.
  • 287 children under 16 were killed or injured in HP15, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in HP15.

Where HP15 ranks among 2,813 postcode districts

Most collisions
1,900th
Most casualties
1,908th
Most fatal collisions
2,104th
Most serious collisions
1,971st

Collisions by day of the week

  • Monday211 (13%)
  • Tuesday268 (16%)
  • Wednesday228 (14%)
  • Thursday247 (15%)
  • Friday320 (19%)
  • Saturday231 (14%)
  • Sunday183 (11%)

Light conditions

  • Daylight1,141 (68%)
  • Dark, street lights lit297 (18%)
  • Dark, no street lighting192 (11%)
  • Dark, lighting unknown43 (2.5%)
  • Dark, street lights unlit15 (0.9%)

Type of road

  • Single carriageway1,600 (95%)
  • Roundabout53 (3.1%)
  • Dual carriageway20 (1.2%)
  • One way street or slip road11 (0.7%)
  • Not recorded4 (0.2%)

Speed limit at the scene

  • 20 mph1 (0.1%)
  • 30 mph1,106 (66%)
  • 40 mph218 (13%)
  • 50 mph26 (1.5%)
  • 60 mph336 (20%)
  • Not recorded1 (0.1%)

Weather at the time

  • Fine, no high winds1,321 (78%)
  • Raining, no high winds236 (14%)
  • Fog or mist21 (1.2%)
  • Raining with high winds21 (1.2%)
  • Fine with high winds16 (0.9%)
  • Snowing, no high winds7 (0.4%)
  • Snowing with high winds1 (0.1%)
  • Other46 (2.7%)
  • Not recorded19 (1.1%)

Who was hurt

  • Car occupant1,443 (63%)
  • Motorcyclist318 (14%)
  • Pedestrian250 (11%)
  • Cyclist165 (7.2%)
  • Van occupant51 (2.2%)
  • Bus or coach occupant31 (1.3%)
  • Taxi or private hire car occupant14 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)10 (0.4%)
  • Other vehicle occupant10 (0.4%)
  • Minibus occupant4 (0.2%)
  • Other1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

HP15 road accidents by year

Collisions and casualties in HP15, 1979 to 2025

Collisions in HP15 peaked at 68 in 1988; 2025 had 11.

  • Collisions
  • Collisions in 2025: 11
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251112
20241417
2023913
20221619
20211317
20201520
20191314
20181217
20172434
20161928
20151520
20141929
20131419
20122123
20111724
20102836
20092131
20082837
20072843
20063357
20053447
20044469
20034060
20023647
20014669
20004153
19995274
19985173
19975160
19964469
19955271
19944255
19934672
19924964
19914452
19904663
19895672
19886891
19874860
19866184
19856183
19846787
19835875
19825066
19815375
19803239
19794657

Map of recent crashes in HP15

Map of the 24 most recent crashes in HP15

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in HP15

The 24 most recent collisions in HP15 happened between 11 January 2024 and 6 December 2025.

Severity

Crashes by road in HP15

The A404 has the most collisions in HP15, 438 of 1,688 (26%), followed by the A4128 (223).

Collisions in HP15 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA404438610685
2ndA4128223294335
3rdB47488127217

Council area for HP15

HP15 is in Buckinghamshire, where police recorded 72,942 collisions from 1979 to 2025. HP15 accounts for 2.3% of them.

Towns in HP15

Collisions in HP15 were recorded in 3 towns, led by Hazlemere (1,014) and Great Kingshill (172).