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CrashStats

A357 accidents: crash map and statistics

Police recorded 833 collisions on the A357 from 1979 to 2025, with 1,258 casualties. Of those crashes, 27 were fatal and 188 serious, and 28 people were killed.

In 2025 there were 9 collisions on the A357, level with 2024, with 12 casualties.

Collisions since 1979
833
1,275th highest of 4,923 roads
Casualties
1,258
1.51 per collision
Fatal collisions
27
28 people killed
Serious collisions
188
245 seriously injured
Collisions in 2025
9
Level with 2024
Casualties in 2025
12
Level with 2024

Crash severity on the A357

On the A357, 3.2% of collisions were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal273.2%
  • Serious18823%
  • Slight61874%

Where the A357 ranks among 4,923 roads

Most collisions
1,275th
Most casualties
1,176th
Most fatal collisions
739th
Most serious collisions
1,114th

A357 accidents by year

Collisions on the A357 peaked at 31 in 1991 and were down to 9 in 2025.

Collisions and casualties on the A357, 1979 to 2025

  • Collisions
  • Collisions in 2025: 9
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025912
2024912
202378
2022810
20211115
20201119
201956
20181420
2017816
201667
201569
201467
2013912
20121218
2011912
20101527
20091222
20081625
20072642
20061423
20052537
20041920
20032641
20021927
20012232
20002954
19992643
19982034
19972742
19962845
19952240
19942538
19931526
19921726
19913142
19902639
198946
19881729
19872635
19862433
19852643
19842942
19831824
19822231
19812235
19803140
19792432

When crashes happen on the A357

Friday has the most collisions on the A357 (137), and 3pm to 6pm is the busiest time of day (177).

Collisions by day of the week

  • Monday109 (13%)
  • Tuesday122 (15%)
  • Wednesday106 (13%)
  • Thursday121 (15%)
  • Friday137 (16%)
  • Saturday132 (16%)
  • Sunday106 (13%)

Collisions by time of day

  • Midnight to 3am31 (3.7%)
  • 3am to 6am18 (2.2%)
  • 6am to 9am106 (13%)
  • 9am to noon142 (17%)
  • Noon to 3pm129 (15%)
  • 3pm to 6pm177 (21%)
  • 6pm to 9pm147 (18%)
  • 9pm to midnight83 (10%)

Collisions by month

  • January70 (8.4%)
  • February61 (7.3%)
  • March60 (7.2%)
  • April77 (9.2%)
  • May63 (7.6%)
  • June55 (6.6%)
  • July75 (9%)
  • August51 (6.1%)
  • September77 (9.2%)
  • October66 (7.9%)
  • November76 (9.1%)
  • December102 (12%)

Light conditions at the time

  • Daylight575 (69%)
  • Dark, no street lighting160 (19%)
  • Dark, street lights unlit52 (6.2%)
  • Dark, street lights lit42 (5%)
  • Dark, lighting unknown4 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A357 crashes

On the A357, 67% of collisions happened where the speed limit was 60 mph and 58% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.1%)
  • 30 mph223 (27%)
  • 40 mph34 (4.1%)
  • 50 mph11 (1.3%)
  • 60 mph554 (67%)
  • 70 mph10 (1.2%)

Weather at the time

  • Fine, no high winds649 (78%)
  • Raining, no high winds120 (14%)
  • Fog or mist18 (2.2%)
  • Fine with high winds10 (1.2%)
  • Other33 (4%)
  • Not recorded3 (0.4%)

Road surface

  • Dry480 (58%)
  • Wet or damp307 (37%)
  • Frost or ice40 (4.8%)
  • Flood over 3cm deep5 (0.6%)
  • Snow1 (0.1%)

Type of road

  • Single carriageway817 (98%)
  • Roundabout5 (0.6%)
  • Dual carriageway4 (0.5%)
  • One way street or slip road3 (0.4%)
  • Not recorded4 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A357 crashes

Car occupants make up 72% of the people killed or injured on the A357, followed by motorcyclists (14%).

Casualties by road user

  • Car occupant904 (72%)
  • Motorcyclist174 (14%)
  • Pedestrian54 (4.3%)
  • Cyclist42 (3.3%)
  • Van occupant32 (2.5%)
  • Goods vehicle occupant (over 3.5 tonnes)20 (1.6%)
  • Minibus occupant11 (0.9%)
  • Other21 (1.7%)

Vehicles involved

  • Car1,092 (70%)
  • Motorcycle175 (11%)
  • Goods vehicle over 3.5 tonnes104 (6.6%)
  • Van or goods vehicle up to 3.5 tonnes91 (5.8%)
  • Pedal cycle43 (2.7%)
  • Other vehicle32 (2%)
  • Bus or coach17 (1.1%)
  • Other15 (1%)

Casualties by age

  • 0 to 517 (1.4%)
  • 6 to 1029 (2.3%)
  • 11 to 1560 (4.8%)
  • 16 to 20238 (19%)
  • 21 to 25162 (13%)
  • 26 to 35246 (20%)
  • 36 to 45170 (14%)
  • 46 to 55100 (7.9%)
  • 56 to 65119 (9.5%)
  • 66 to 7561 (4.8%)
  • Over 7553 (4.2%)
  • Not recorded3 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider854 (68%)
  • Passenger350 (28%)
  • Pedestrian54 (4.3%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A357

Map of the 25 most recent crashes on the A357

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A357 crashes by council area

Collisions on the A357 were recorded in 2 council areas. Dorset has the most, with 598, followed by Somerset (230).

Collisions on the A357 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stDorset59892023133
2ndSomerset230332453

A357 crashes by town

Of the 833 collisions on the A357, 25 were in the built-up area of Sturminster Newton.

Recent crashes on the A357

These are the 25 most recent collisions on the A357, from 7 February 2023 to 29 December 2025.

Severity