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CrashStats

DT1 road accidents: crash map and statistics

Police recorded 1,889 road traffic collisions in the DT1 postcode district, Dorset, from 1979 to 2025, and 2,512 people were killed or injured in them. Of those collisions, 28 were fatal and 294 were serious.

In 2025 police recorded 31 collisions, up 7% on 2024 (29).

Collisions since 1979
1,889
1,806th of 2,813 postcode districts, highest first
Casualties
2,512
1.33 per collision
Fatal collisions
28
30 people killed
Serious collisions
294
339 seriously injured
Collisions in 2025
31
Up 7% on 2024
Casualties in 2025
43
Up 39% on 2024

Road collision statistics for DT1

Collisions by severity, 1979 to 2025

  • Fatal281.5%
  • Serious29416%
  • Slight1,56783%

What the data shows

  • DT1 had 276 collisions from 2016 to 2025, 31% fewer than the 402 from 2006 to 2015.
  • 17% of collisions in DT1 were fatal or serious, against 20% across Great Britain.
  • 327 children under 16 were killed or injured in DT1, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 30% of collisions in DT1.

Where DT1 ranks among 2,813 postcode districts

Most collisions
1,806th
Most casualties
1,849th
Most fatal collisions
1,907th
Most serious collisions
2,020th

Collisions by day of the week

  • Monday279 (15%)
  • Tuesday266 (14%)
  • Wednesday314 (17%)
  • Thursday258 (14%)
  • Friday341 (18%)
  • Saturday265 (14%)
  • Sunday166 (8.8%)

Light conditions

  • Daylight1,505 (80%)
  • Dark, street lights lit307 (16%)
  • Dark, no street lighting53 (2.8%)
  • Dark, street lights unlit19 (1%)
  • Dark, lighting unknown5 (0.3%)

Type of road

  • Single carriageway1,693 (90%)
  • Roundabout128 (6.8%)
  • One way street or slip road51 (2.7%)
  • Dual carriageway6 (0.3%)
  • Not recorded11 (0.6%)

Speed limit at the scene

  • 20 mph12 (0.6%)
  • 30 mph1,451 (77%)
  • 40 mph33 (1.7%)
  • 50 mph15 (0.8%)
  • 60 mph375 (20%)
  • 70 mph2 (0.1%)
  • Not recorded1 (0.1%)

Weather at the time

  • Fine, no high winds1,518 (80%)
  • Raining, no high winds254 (13%)
  • Raining with high winds26 (1.4%)
  • Fog or mist22 (1.2%)
  • Fine with high winds21 (1.1%)
  • Snowing, no high winds6 (0.3%)
  • Snowing with high winds1 (0.1%)
  • Other38 (2%)
  • Not recorded3 (0.2%)

Who was hurt

  • Car occupant1,400 (56%)
  • Pedestrian428 (17%)
  • Motorcyclist363 (14%)
  • Cyclist222 (8.8%)
  • Van occupant49 (2%)
  • Minibus occupant12 (0.5%)
  • Bus or coach occupant11 (0.4%)
  • Other vehicle occupant11 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)7 (0.3%)
  • Mobility scooter rider4 (0.2%)
  • Other5 (0.2%)

Source: Department for Transport, STATS19 road safety data

DT1 road accidents by year

Collisions and casualties in DT1, 1979 to 2025

Collisions in DT1 peaked at 64 in 1980; 2025 had 31.

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253143
20242931
20232734
20223441
20212730
20201619
20192432
20183448
20172231
20163246
20154463
20143552
20133946
20123646
20113359
20103339
20094860
20083751
20073757
20066096
20055366
20045279
20035371
20023856
20015064
20004060
19994053
19984565
19974247
19963250
19953052
19944759
19933852
19922937
19913847
19903238
19895167
19884861
19874862
19864048
19854147
19845272
19835467
19825265
19814858
19806479
19795466

Map of recent crashes in DT1

Map of the 24 most recent crashes in DT1

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 DT1

The 24 most recent collisions in DT1 happened between 16 May and 17 December 2025.

Severity

Crashes by road in DT1

The A35 has the most collisions in DT1, 397 of 1,889 (21%), followed by the B3147 (225).

Collisions in DT1 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA353976521064
2ndB3147225281428
3rdB3150211267431
4thB3144172214015
5thA354118142017
6thA3526278014
7thB3143506507
8thA37477627
9thA350091511

Council area for DT1

DT1 is in Dorset, where police recorded 51,591 collisions from 1979 to 2025. DT1 accounts for 3.7% of them.

Town in DT1

Of the 1,889 collisions in DT1, 1,502 (80%) were in Dorchester, Dorset.