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CrashStats

B3165 accidents: crash map and statistics

Police recorded 641 collisions on the B3165 from 1979 to 2025, with 886 casualties. Of those crashes, 11 were fatal and 134 serious, and 12 people were killed.

In 2025 there were 10 collisions on the B3165, up 11% from 9 in 2024, with 15 casualties.

Collisions since 1979
641
1,612th highest of 4,923 roads
Casualties
886
1.38 per collision
Fatal collisions
11
12 people killed
Serious collisions
134
155 seriously injured
Collisions in 2025
10
Up 11% on 2024
Casualties in 2025
15
Up 50% on 2024

Crash severity on the B3165

On the B3165, 1.7% of collisions were fatal and 21% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal111.7%
  • Serious13421%
  • Slight49677%

Where the B3165 ranks among 4,923 roads

Most collisions
1,612th
Most casualties
1,576th
Most fatal collisions
1,595th
Most serious collisions
1,507th

B3165 accidents by year

Collisions on the B3165 peaked at 22 in 1991 and were down to 10 in 2025.

Collisions and casualties on the B3165, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251015
2024910
202378
202259
2021812
2020712
2019910
20181116
20171114
20161212
2015913
20141116
20131623
2012911
2011912
20101216
20091120
20081622
2007811
20061927
20051628
2004910
20031416
200289
20011426
20001422
19991418
19981626
19971419
19961430
19951923
1994910
19931420
19921014
19912227
19901824
19891823
19882134
19871620
19861821
19852031
19842125
19831519
19821624
19812126
19802125
19792027

When crashes happen on the B3165

Friday has the most collisions on the B3165 (107), and 3pm to 6pm is the busiest time of day (149).

Collisions by day of the week

  • Monday78 (12%)
  • Tuesday75 (12%)
  • Wednesday95 (15%)
  • Thursday85 (13%)
  • Friday107 (17%)
  • Saturday104 (16%)
  • Sunday97 (15%)

Collisions by time of day

  • Midnight to 3am24 (3.7%)
  • 3am to 6am6 (0.9%)
  • 6am to 9am78 (12%)
  • 9am to noon95 (15%)
  • Noon to 3pm128 (20%)
  • 3pm to 6pm149 (23%)
  • 6pm to 9pm92 (14%)
  • 9pm to midnight69 (11%)

Collisions by month

  • January49 (7.6%)
  • February44 (6.9%)
  • March56 (8.7%)
  • April42 (6.6%)
  • May59 (9.2%)
  • June68 (11%)
  • July53 (8.3%)
  • August50 (7.8%)
  • September54 (8.4%)
  • October53 (8.3%)
  • November44 (6.9%)
  • December69 (11%)

Light conditions at the time

  • Daylight480 (75%)
  • Dark, no street lighting93 (15%)
  • Dark, street lights lit50 (7.8%)
  • Dark, lighting unknown8 (1.2%)
  • Dark, street lights unlit8 (1.2%)
  • Not recorded2 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3165 crashes

On the B3165, 50% of collisions happened where the speed limit was 60 mph and 62% on a dry road surface.

Speed limit at the scene

  • 20 mph4 (0.6%)
  • 30 mph269 (42%)
  • 40 mph32 (5%)
  • 50 mph5 (0.8%)
  • 60 mph318 (50%)
  • 70 mph10 (1.6%)
  • Not recorded3 (0.5%)

Weather at the time

  • Fine, no high winds488 (76%)
  • Raining, no high winds77 (12%)
  • Fine with high winds12 (1.9%)
  • Fog or mist12 (1.9%)
  • Other42 (6.6%)
  • Not recorded10 (1.6%)

Road surface

  • Dry398 (62%)
  • Wet or damp218 (34%)
  • Frost or ice20 (3.1%)
  • Oil or diesel1 (0.2%)
  • Snow1 (0.2%)
  • Not recorded3 (0.5%)

Type of road

  • Single carriageway623 (97%)
  • Roundabout7 (1.1%)
  • Dual carriageway5 (0.8%)
  • One way street or slip road1 (0.2%)
  • Not recorded5 (0.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3165 crashes

Car occupants make up 66% of the people killed or injured on the B3165, followed by motorcyclists (16%).

Casualties by road user

  • Car occupant586 (66%)
  • Motorcyclist146 (16%)
  • Pedestrian63 (7.1%)
  • Cyclist41 (4.6%)
  • Van occupant18 (2%)
  • Other vehicle occupant13 (1.5%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.7%)
  • Other13 (1.5%)

Vehicles involved

  • Car824 (73%)
  • Motorcycle144 (13%)
  • Van or goods vehicle up to 3.5 tonnes48 (4.2%)
  • Pedal cycle43 (3.8%)
  • Goods vehicle over 3.5 tonnes32 (2.8%)
  • Other vehicle20 (1.8%)
  • Bus or coach10 (0.9%)
  • Other12 (1.1%)

Casualties by age

  • 0 to 516 (1.8%)
  • 6 to 1030 (3.4%)
  • 11 to 1546 (5.2%)
  • 16 to 20224 (25%)
  • 21 to 25111 (13%)
  • 26 to 35124 (14%)
  • 36 to 45100 (11%)
  • 46 to 5589 (10%)
  • 56 to 6547 (5.3%)
  • 66 to 7547 (5.3%)
  • Over 7541 (4.6%)
  • Not recorded11 (1.2%)

Drivers, passengers and pedestrians

  • Driver or rider569 (64%)
  • Passenger254 (29%)
  • Pedestrian63 (7.1%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3165

Map of the 25 most recent crashes on the B3165

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

  • 25 crashes
  • Serious
  • Slight

B3165 crashes by council area

Collisions on the B3165 were recorded in 4 council areas. Somerset has the most, with 415, followed by Dorset (111) and East Devon (105).

Collisions on the B3165 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSomerset415552893
2ndDorset111174017
3rdEast Devon105150323
4thGuildford8801

B3165 crashes by town

Collisions on the B3165 were recorded in 7 towns and built-up areas, led by Martock (82) and Crewkerne (41).

Recent crashes on the B3165

These are the 25 most recent collisions on the B3165, from 18 February 2023 to 7 November 2025.

Severity