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CrashStats

B3155 accidents: crash map and statistics

Police recorded 118 collisions on the B3155 from 2012 to 2025, with 151 casualties. Of those crashes, 3 were fatal and 22 serious, and 3 people were killed.

In 2025 there were 16 collisions on the B3155, up 78% from 9 in 2024, with 19 casualties.

Collisions since 2012
118
3,871st highest of 4,923 roads
Casualties
151
1.28 per collision
Fatal collisions
3
3 people killed
Serious collisions
22
25 seriously injured
Collisions in 2025
16
Up 78% on 2024
Casualties in 2025
19
Up 73% on 2024

Crash severity on the B3155

On the B3155, 2.5% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 2012 to 2025

  • Fatal32.5%
  • Serious2219%
  • Slight9379%

Where the B3155 ranks among 4,923 roads

Most collisions
3,871st
Most casualties
3,916th
Most fatal collisions
3,114th
Most serious collisions
3,946th

B3155 accidents by year

2025 had the most collisions of any year on the B3155, with 16.

Collisions and casualties on the B3155, 2012 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251619
2024911
20231010
20221013
202144
202089
201955
2018811
2017913
2016917
20151320
201456
20131112
201211

When crashes happen on the B3155

Wednesday has the most collisions on the B3155 (20), and 3pm to 6pm is the busiest time of day (36).

Collisions by day of the week

  • Monday12 (10%)
  • Tuesday19 (16%)
  • Wednesday20 (17%)
  • Thursday16 (14%)
  • Friday19 (16%)
  • Saturday16 (14%)
  • Sunday16 (14%)

Collisions by time of day

  • Midnight to 3am3 (2.5%)
  • 3am to 6am0 (0%)
  • 6am to 9am9 (7.6%)
  • 9am to noon19 (16%)
  • Noon to 3pm26 (22%)
  • 3pm to 6pm36 (31%)
  • 6pm to 9pm18 (15%)
  • 9pm to midnight7 (5.9%)

Collisions by month

  • January5 (4.2%)
  • February8 (6.8%)
  • March15 (13%)
  • April9 (7.6%)
  • May12 (10%)
  • June6 (5.1%)
  • July17 (14%)
  • August12 (10%)
  • September12 (10%)
  • October11 (9.3%)
  • November4 (3.4%)
  • December7 (5.9%)

Light conditions at the time

  • Daylight102 (86%)
  • Dark, street lights lit15 (13%)
  • Dark, no street lighting1 (0.8%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3155 crashes

On the B3155, 91% of collisions happened where the speed limit was 30 mph and 88% on a dry road surface.

Speed limit at the scene

  • 30 mph107 (91%)
  • 40 mph5 (4.2%)
  • 50 mph6 (5.1%)

Weather at the time

  • Fine, no high winds107 (91%)
  • Raining, no high winds7 (5.9%)
  • Fine with high winds2 (1.7%)
  • Fog or mist1 (0.8%)
  • Not recorded1 (0.8%)

Road surface

  • Dry104 (88%)
  • Wet or damp13 (11%)
  • Not recorded1 (0.8%)

Type of road

  • Single carriageway113 (96%)
  • Roundabout5 (4.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3155 crashes

Car occupants make up 44% of the people killed or injured on the B3155, followed by motorcyclists (21%).

Casualties by road user

  • Car occupant66 (44%)
  • Motorcyclist31 (21%)
  • Pedestrian27 (18%)
  • Cyclist19 (13%)
  • Taxi or private hire car occupant5 (3.3%)
  • Bus or coach occupant1 (0.7%)
  • Mobility scooter rider1 (0.7%)
  • Other vehicle occupant1 (0.7%)

Vehicles involved

  • Car137 (65%)
  • Motorcycle33 (16%)
  • Pedal cycle20 (9.4%)
  • Taxi or private hire car7 (3.3%)
  • Van or goods vehicle up to 3.5 tonnes7 (3.3%)
  • Bus or coach4 (1.9%)
  • Goods vehicle over 3.5 tonnes1 (0.5%)
  • Other3 (1.4%)

Casualties by age

  • 6 to 103 (2%)
  • 11 to 155 (3.3%)
  • 16 to 2019 (13%)
  • 21 to 2512 (7.9%)
  • 26 to 3525 (17%)
  • 36 to 4514 (9.3%)
  • 46 to 5520 (13%)
  • 56 to 6521 (14%)
  • 66 to 7516 (11%)
  • Over 7515 (9.9%)
  • Not recorded1 (0.7%)

Drivers, passengers and pedestrians

  • Driver or rider90 (60%)
  • Passenger34 (23%)
  • Pedestrian27 (18%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3155

Map of the 25 most recent crashes on the B3155

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

  • 25 crashes
  • Serious
  • Slight

B3155 crashes by council area

All 118 collisions on the B3155 were in Dorset.

Collisions on the B3155 in each area, 2012 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stDorset118151322

B3155 crashes by town

Of the 118 collisions on the B3155, 94 were in the built-up area of Weymouth.

Recent crashes on the B3155

These are the 25 most recent collisions on the B3155, from 22 January 2024 to 19 August 2025.

Severity