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CrashStats

BH21 road accidents: crash map and statistics

Police recorded 6,418 road traffic collisions in the BH21 postcode district, Dorset, from 1979 to 2025, and 9,335 people were killed or injured in them. Of those collisions, 137 were fatal and 1,458 were serious.

In 2025 police recorded 83 collisions, up 1% on 2024 (82).

Collisions since 1979
6,418
254th highest of 2,813 postcode districts
Casualties
9,335
1.45 per collision
Fatal collisions
137
155 people killed
Serious collisions
1,458
1,796 seriously injured
Collisions in 2025
83
Up 1% on 2024
Casualties in 2025
107
Up 13% on 2024

Road collision statistics for BH21

Collisions by severity, 1979 to 2025

  • Fatal1372.1%
  • Serious1,45823%
  • Slight4,82375%

What the data shows

  • BH21 had 859 collisions from 2016 to 2025, 30% fewer than the 1,222 from 2006 to 2015.
  • 25% of collisions in BH21 were fatal or serious, against 20% across Great Britain.
  • 877 children under 16 were killed or injured in BH21, 9.4% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 35% of collisions in BH21.

Where BH21 ranks among 2,813 postcode districts

Most collisions
254th
Most casualties
180th
Most fatal collisions
101st
Most serious collisions
100th

Collisions by day of the week

  • Monday875 (14%)
  • Tuesday928 (14%)
  • Wednesday944 (15%)
  • Thursday1,001 (16%)
  • Friday1,102 (17%)
  • Saturday851 (13%)
  • Sunday717 (11%)

Light conditions

  • Daylight4,870 (76%)
  • Dark, street lights lit670 (10%)
  • Dark, no street lighting595 (9.3%)
  • Dark, street lights unlit251 (3.9%)
  • Dark, lighting unknown32 (0.5%)

Type of road

  • Single carriageway5,832 (91%)
  • Roundabout373 (5.8%)
  • One way street or slip road160 (2.5%)
  • Dual carriageway45 (0.7%)
  • Not recorded8 (0.1%)

Speed limit at the scene

  • 20 mph23 (0.4%)
  • 30 mph2,251 (35%)
  • 40 mph800 (12%)
  • 50 mph211 (3.3%)
  • 60 mph3,122 (49%)
  • 70 mph9 (0.1%)
  • Not recorded2 (under 0.1%)

Weather at the time

  • Fine, no high winds5,200 (81%)
  • Raining, no high winds926 (14%)
  • Fog or mist74 (1.2%)
  • Raining with high winds52 (0.8%)
  • Fine with high winds33 (0.5%)
  • Snowing, no high winds17 (0.3%)
  • Snowing with high winds1 (under 0.1%)
  • Other102 (1.6%)
  • Not recorded13 (0.2%)

Who was hurt

  • Car occupant6,244 (67%)
  • Motorcyclist1,282 (14%)
  • Cyclist597 (6.4%)
  • Pedestrian544 (5.8%)
  • Van occupant324 (3.5%)
  • Goods vehicle occupant (over 3.5 tonnes)113 (1.2%)
  • Bus or coach occupant109 (1.2%)
  • Other vehicle occupant57 (0.6%)
  • Minibus occupant31 (0.3%)
  • Taxi or private hire car occupant23 (0.2%)
  • Other10 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

BH21 road accidents by year

Collisions and casualties in BH21, 1979 to 2025

Collisions in BH21 peaked at 194 in 1989; 2025 had 83.

  • Collisions
  • Collisions in 2025: 83
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202583107
20248295
202392127
202298139
20217798
202083115
201980113
201869105
201791142
2016104166
2015111162
2014111165
2013109187
2012117159
2011102138
2010129187
2009104146
2008142206
2007140208
2006157217
2005174259
2004142212
2003174276
2002121173
2001158233
2000148205
1999165236
1998180274
1997190279
1996145204
1995175290
1994158243
1993150227
1992162235
1991140205
1990171276
1989194279
1988194283
1987176263
1986141190
1985161219
1984164231
1983143193
1982160226
1981136199
1980136179
1979179264

Map of recent crashes in BH21

Map of the 24 most recent crashes in BH21

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in BH21

The 24 most recent collisions in BH21 happened between 3 October and 21 December 2025.

Severity

Crashes by road in BH21

The A31 has the most collisions in BH21, 1,201 of 6,418 (19%), followed by the B3073 (629).

Collisions in BH21 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA311,2011,89539271
2ndB30736298287128
3rdB307856686415130
4thB30822654131558
5thB3072232332660
6thA350223354355
7thA349204284340
8thA341202298356
9thB3074174234140
10thB3081166259239
11thB341112146021
12thA3100263534
13thA35471002
14thA35005721
15thB3085500
16thA3483701

Council areas covering BH21

Collisions in BH21 were recorded in 3 council areas. Dorset has 5,529 of 6,418 (86%).

Collisions in BH21 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stDorset5,5298,0451231,280
2ndBournemouth, Christchurch and Poole8851,28514177
3rdNew Forest3401

Towns in BH21

Collisions in BH21 were recorded in 7 towns, led by Wimborne Minster (1,236) and Corfe Mullen (472).