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CrashStats

B3159 accidents: crash map and statistics

Police recorded 254 collisions on the B3159 from 1979 to 2025, with 335 casualties. Of those crashes, 4 were fatal and 48 serious, and 4 people were killed.

In 2025 there were 8 collisions on the B3159, down 20% from 10 in 2024, with 8 casualties.

Collisions since 1979
254
2,932nd highest of 4,923 roads
Casualties
335
1.32 per collision
Fatal collisions
4
4 people killed
Serious collisions
48
49 seriously injured
Collisions in 2025
8
Down 20% on 2024
Casualties in 2025
8
Down 20% on 2024

Crash severity on the B3159

On the B3159, 1.6% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal41.6%
  • Serious4819%
  • Slight20280%

Where the B3159 ranks among 4,923 roads

Most collisions
2,932nd
Most casualties
2,971st
Most fatal collisions
2,815th
Most serious collisions
3,024th

B3159 accidents by year

Collisions on the B3159 peaked at 18 in 2022 and were down to 8 in 2025.

Collisions and casualties on the B3159, 1979 to 2025

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202588
20241010
20231720
20221822
20211117
202055
201979
201868
201722
2016814
20151418
20141315
20131623
20121517
20111314
201025
200912
200833
200700
2006612
200522
200433
200378
200233
200134
2000611
199922
199822
199711
199647
199523
199446
199323
199213
199112
199047
198922
198833
198769
198635
198500
198414
198322
198224
198157
198022
197966

When crashes happen on the B3159

Friday has the most collisions on the B3159 (43), and 3pm to 6pm is the busiest time of day (57).

Collisions by day of the week

  • Monday39 (15%)
  • Tuesday32 (13%)
  • Wednesday33 (13%)
  • Thursday40 (16%)
  • Friday43 (17%)
  • Saturday38 (15%)
  • Sunday29 (11%)

Collisions by time of day

  • Midnight to 3am13 (5.1%)
  • 3am to 6am2 (0.8%)
  • 6am to 9am35 (14%)
  • 9am to noon39 (15%)
  • Noon to 3pm52 (20%)
  • 3pm to 6pm57 (22%)
  • 6pm to 9pm38 (15%)
  • 9pm to midnight18 (7.1%)

Collisions by month

  • January19 (7.5%)
  • February14 (5.5%)
  • March17 (6.7%)
  • April10 (3.9%)
  • May22 (8.7%)
  • June29 (11%)
  • July28 (11%)
  • August29 (11%)
  • September20 (7.9%)
  • October21 (8.3%)
  • November21 (8.3%)
  • December24 (9.4%)

Light conditions at the time

  • Daylight190 (75%)
  • Dark, street lights lit31 (12%)
  • Dark, no street lighting18 (7.1%)
  • Dark, street lights unlit14 (5.5%)
  • Dark, lighting unknown1 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3159 crashes

On the B3159, 67% of collisions happened where the speed limit was 30 mph and 72% on a dry road surface.

Speed limit at the scene

  • 30 mph169 (67%)
  • 40 mph3 (1.2%)
  • 50 mph2 (0.8%)
  • 60 mph80 (31%)

Weather at the time

  • Fine, no high winds226 (89%)
  • Raining, no high winds22 (8.7%)
  • Fine with high winds3 (1.2%)
  • Fog or mist2 (0.8%)
  • Other1 (0.4%)

Road surface

  • Dry183 (72%)
  • Wet or damp62 (24%)
  • Frost or ice9 (3.5%)

Type of road

  • Single carriageway244 (96%)
  • Roundabout6 (2.4%)
  • One way street or slip road4 (1.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3159 crashes

Car occupants make up 57% of the people killed or injured on the B3159, followed by motorcyclists (19%).

Casualties by road user

  • Car occupant190 (57%)
  • Motorcyclist62 (19%)
  • Cyclist42 (13%)
  • Pedestrian24 (7.2%)
  • Bus or coach occupant5 (1.5%)
  • Van occupant4 (1.2%)
  • Other vehicle occupant3 (0.9%)
  • Other5 (1.5%)

Vehicles involved

  • Car288 (66%)
  • Motorcycle66 (15%)
  • Pedal cycle43 (9.8%)
  • Van or goods vehicle up to 3.5 tonnes14 (3.2%)
  • Bus or coach9 (2.1%)
  • Goods vehicle over 3.5 tonnes5 (1.1%)
  • Other vehicle5 (1.1%)
  • Other8 (1.8%)

Casualties by age

  • 0 to 54 (1.2%)
  • 6 to 107 (2.1%)
  • 11 to 1512 (3.6%)
  • 16 to 2084 (25%)
  • 21 to 2544 (13%)
  • 26 to 3555 (16%)
  • 36 to 4538 (11%)
  • 46 to 5531 (9.3%)
  • 56 to 6529 (8.7%)
  • 66 to 7515 (4.5%)
  • Over 7516 (4.8%)

Drivers, passengers and pedestrians

  • Driver or rider233 (70%)
  • Passenger78 (23%)
  • Pedestrian24 (7.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3159

Map of the 25 most recent crashes on the B3159

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B3159 crashes by council area

Of the 254 collisions on the B3159, 252 were in Dorset.

Collisions on the B3159 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stDorset252333448

B3159 crashes by town

Of the 254 collisions on the B3159, 132 were in the built-up area of Weymouth.

Recent crashes on the B3159

These are the 25 most recent collisions on the B3159, from 18 July 2023 to 10 December 2025.

Severity