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CrashStats

Amersham road accidents: crash map and statistics

Police recorded 1,694 road traffic collisions in Amersham, Buckinghamshire, from 1979 to 2025, and 2,119 people were killed or injured in them. Of those collisions, 19 were fatal and 305 were serious.

In 2025 police recorded 12 collisions, up from 8 in 2024.

Collisions since 1979
1,694
514th highest of 2,851 towns
Casualties
2,119
1.25 per collision
Fatal collisions
19
19 people killed
Serious collisions
305
330 seriously injured
Collisions in 2025
12
8 in 2024
Casualties in 2025
13
8 in 2024

Road collision statistics for Amersham

Collisions by severity, 1979 to 2025

  • Fatal191.1%
  • Serious30518%
  • Slight1,37081%

What the data shows

  • Amersham had 153 collisions from 2016 to 2025, 39% fewer than the 252 from 2006 to 2015.
  • 19% of collisions in Amersham were fatal or serious, against 20% across Great Britain.
  • 231 children under 16 were killed or injured in Amersham, 11% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 37% of collisions in Amersham.

Where Amersham ranks among 2,851 towns

Most collisions
514th
Most casualties
513th
Most fatal collisions
518th
Most serious collisions
502nd

Collisions by day of the week

  • Monday242 (14%)
  • Tuesday236 (14%)
  • Wednesday272 (16%)
  • Thursday275 (16%)
  • Friday302 (18%)
  • Saturday237 (14%)
  • Sunday130 (7.7%)

Light conditions

  • Daylight1,268 (75%)
  • Dark, street lights lit363 (21%)
  • Dark, no street lighting36 (2.1%)
  • Dark, lighting unknown23 (1.4%)
  • Dark, street lights unlit3 (0.2%)
  • Not recorded1 (0.1%)

Type of road

  • Single carriageway1,407 (83%)
  • Roundabout270 (16%)
  • Dual carriageway13 (0.8%)
  • One way street or slip road1 (0.1%)
  • Not recorded3 (0.2%)

Speed limit at the scene

  • 30 mph1,399 (83%)
  • 40 mph164 (9.7%)
  • 50 mph23 (1.4%)
  • 60 mph107 (6.3%)
  • 70 mph1 (0.1%)

Weather at the time

  • Fine, no high winds1,324 (78%)
  • Raining, no high winds240 (14%)
  • Raining with high winds23 (1.4%)
  • Fine with high winds22 (1.3%)
  • Fog or mist14 (0.8%)
  • Snowing, no high winds6 (0.4%)
  • Snowing with high winds1 (0.1%)
  • Other52 (3.1%)
  • Not recorded12 (0.7%)

Who was hurt

  • Car occupant1,110 (52%)
  • Pedestrian382 (18%)
  • Motorcyclist334 (16%)
  • Cyclist223 (11%)
  • Van occupant37 (1.7%)
  • Bus or coach occupant12 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)9 (0.4%)
  • Taxi or private hire car occupant4 (0.2%)
  • Minibus occupant3 (0.1%)
  • Other vehicle occupant2 (0.1%)
  • Other3 (0.1%)

Source: Department for Transport, STATS19 road safety data

Amersham road accidents by year

Collisions and casualties in Amersham, 1979 to 2025

Collisions in Amersham peaked at 73 in 1984; 2025 had 12.

  • Collisions
  • Collisions in 2025: 12
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251213
202488
20232023
20221215
20211517
2020912
20191718
20181720
20171924
20162428
20151216
20141722
20131830
20123035
20111923
20102732
20093346
20082429
20073643
20063643
20053140
20043944
20033546
20024158
20014253
20005060
19994657
19983949
19973346
19963239
19953850
19943645
19935371
19925974
19914857
19906187
19895466
19885767
19873541
19866284
19856271
19847393
19835674
19824964
19816776
19802834
19796376

Map of recent crashes in Amersham

Map of the 24 most recent crashes in Amersham

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Amersham

The 24 most recent collisions in Amersham happened between 8 November 2023 and 22 December 2025.

Severity

Crashes by road in Amersham

The A416 has the most collisions in Amersham, 410 of 1,694 (24%), followed by the A404 (308).

Collisions in Amersham on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA416410512377
2ndA404308393664
3rdA413129167321
4thA4154111152120
5thA355819329
6thB4441343507

Council area for Amersham

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

Postcode districts in Amersham

Collisions in Amersham were recorded in 3 postcode districts, led by HP6 (908) and HP7 (735).