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CrashStats

B3145 accidents: crash map and statistics

Police recorded 320 collisions on the B3145 from 1979 to 2025, with 452 casualties. Of those crashes, 5 were fatal and 63 serious, and 5 people were killed.

In 2025 there were 8 collisions on the B3145, up 33% from 6 in 2024, with 9 casualties.

Collisions since 1979
320
2,600th highest of 4,923 roads
Casualties
452
1.41 per collision
Fatal collisions
5
5 people killed
Serious collisions
63
82 seriously injured
Collisions in 2025
8
Up 33% on 2024
Casualties in 2025
9
Up 50% on 2024

Crash severity on the B3145

On the B3145, 1.6% of collisions were fatal and 20% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal51.6%
  • Serious6320%
  • Slight25279%

Where the B3145 ranks among 4,923 roads

Most collisions
2,600th
Most casualties
2,549th
Most fatal collisions
2,545th
Most serious collisions
2,629th

B3145 accidents by year

Collisions on the B3145 peaked at 13 in 1985 and were down to 8 in 2025.

Collisions and casualties on the B3145, 1979 to 2025

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202589
202466
202357
202278
202124
202034
2019610
201855
201733
201637
2015710
2014711
201313
20121121
201166
201022
200979
2008711
200778
200668
2005710
2004711
20031017
20021013
2001810
20001012
19991012
199879
1997814
19961218
199545
199444
199346
199277
1991526
1990613
198958
1988711
19871112
198677
19851319
198433
1983911
19821314
1981911
1980911
197966

When crashes happen on the B3145

Thursday has the most collisions on the B3145 (59), and noon to 3pm is the busiest time of day (77).

Collisions by day of the week

  • Monday47 (15%)
  • Tuesday47 (15%)
  • Wednesday39 (12%)
  • Thursday59 (18%)
  • Friday58 (18%)
  • Saturday40 (13%)
  • Sunday30 (9.4%)

Collisions by time of day

  • Midnight to 3am5 (1.6%)
  • 3am to 6am1 (0.3%)
  • 6am to 9am44 (14%)
  • 9am to noon62 (19%)
  • Noon to 3pm77 (24%)
  • 3pm to 6pm75 (23%)
  • 6pm to 9pm32 (10%)
  • 9pm to midnight24 (7.5%)

Collisions by month

  • January30 (9.4%)
  • February23 (7.2%)
  • March22 (6.9%)
  • April15 (4.7%)
  • May34 (11%)
  • June36 (11%)
  • July22 (6.9%)
  • August17 (5.3%)
  • September32 (10%)
  • October29 (9.1%)
  • November24 (7.5%)
  • December36 (11%)

Light conditions at the time

  • Daylight264 (83%)
  • Dark, no street lighting28 (8.8%)
  • Dark, street lights lit16 (5%)
  • Dark, street lights unlit9 (2.8%)
  • Dark, lighting unknown3 (0.9%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3145 crashes

On the B3145, 49% of collisions happened where the speed limit was 60 mph and 56% on a dry road surface.

Speed limit at the scene

  • 30 mph153 (48%)
  • 40 mph8 (2.5%)
  • 50 mph2 (0.6%)
  • 60 mph157 (49%)

Weather at the time

  • Fine, no high winds243 (76%)
  • Raining, no high winds47 (15%)
  • Raining with high winds7 (2.2%)
  • Fog or mist3 (0.9%)
  • Other18 (5.6%)
  • Not recorded2 (0.6%)

Road surface

  • Dry180 (56%)
  • Wet or damp126 (39%)
  • Frost or ice12 (3.8%)
  • Flood over 3cm deep2 (0.6%)

Type of road

  • Single carriageway293 (92%)
  • One way street or slip road25 (7.8%)
  • Roundabout1 (0.3%)
  • Not recorded1 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3145 crashes

Car occupants make up 62% of the people killed or injured on the B3145, followed by pedestrians (14%).

Casualties by road user

  • Car occupant278 (62%)
  • Pedestrian65 (14%)
  • Motorcyclist43 (9.5%)
  • Bus or coach occupant20 (4.4%)
  • Cyclist18 (4%)
  • Van occupant11 (2.4%)
  • Minibus occupant8 (1.8%)
  • Other9 (2%)

Vehicles involved

  • Car411 (74%)
  • Motorcycle48 (8.6%)
  • Van or goods vehicle up to 3.5 tonnes37 (6.7%)
  • Goods vehicle over 3.5 tonnes21 (3.8%)
  • Pedal cycle19 (3.4%)
  • Agricultural vehicle4 (0.7%)
  • Bus or coach4 (0.7%)
  • Other11 (2%)

Casualties by age

  • 0 to 56 (1.3%)
  • 6 to 108 (1.8%)
  • 11 to 1520 (4.4%)
  • 16 to 2085 (19%)
  • 21 to 2554 (12%)
  • 26 to 3550 (11%)
  • 36 to 4550 (11%)
  • 46 to 5545 (10%)
  • 56 to 6549 (11%)
  • 66 to 7548 (11%)
  • Over 7535 (7.7%)
  • Not recorded2 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider275 (61%)
  • Passenger112 (25%)
  • Pedestrian65 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3145

Map of the 25 most recent crashes on the B3145

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

  • 25 crashes
  • Serious
  • Slight

B3145 crashes by council area

Collisions on the B3145 were recorded in 2 council areas. Dorset has the most, with 243, followed by Somerset (76).

Collisions on the B3145 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stDorset243321548
2ndSomerset76130015

B3145 crashes by town

Of the 320 collisions on the B3145, 131 were in the built-up area of Sherborne.

Recent crashes on the B3145

These are the 25 most recent collisions on the B3145, from 20 May 2022 to 13 October 2025.

Severity