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CrashStats

B3156 accidents: crash map and statistics

Police recorded 124 collisions on the B3156 from 1979 to 2025, with 149 casualties. Of those crashes, 1 was fatal and 30 serious, and 1 person was killed.

In 2025 there were 2 collisions on the B3156, down 50% from 4 in 2024, with 2 casualties.

Collisions since 1979
124
3,813th highest of 4,923 roads
Casualties
149
1.20 per collision
Fatal collisions
1
1 person killed
Serious collisions
30
31 seriously injured
Collisions in 2025
2
Down 50% on 2024
Casualties in 2025
2
Down 67% on 2024

Crash severity on the B3156

On the B3156, 0.8% of collisions were fatal and 24% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal10.8%
  • Serious3024%
  • Slight9375%

Where the B3156 ranks among 4,923 roads

Most collisions
3,813th
Most casualties
3,929th
Most fatal collisions
3,933rd
Most serious collisions
3,619th

B3156 accidents by year

Collisions on the B3156 peaked at 7 in 2013 and were down to 2 in 2025.

Collisions and casualties on the B3156, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202522
202446
202356
202235
202144
202045
201945
201866
201734
201633
201533
201422
201379
201245
201123
201011
200922
200822
200711
200600
200500
200433
200322
200200
200134
200011
199900
199823
199700
199667
199523
199434
199356
199256
199111
199011
198900
198824
198733
198678
198534
198400
198311
198267
198122
198034
197911

When crashes happen on the B3156

Monday has the most collisions on the B3156 (24), and noon to 3pm is the busiest time of day (27).

Collisions by day of the week

  • Monday24 (19%)
  • Tuesday13 (10%)
  • Wednesday21 (17%)
  • Thursday21 (17%)
  • Friday21 (17%)
  • Saturday20 (16%)
  • Sunday4 (3.2%)

Collisions by time of day

  • Midnight to 3am2 (1.6%)
  • 3am to 6am0 (0%)
  • 6am to 9am24 (19%)
  • 9am to noon21 (17%)
  • Noon to 3pm27 (22%)
  • 3pm to 6pm23 (19%)
  • 6pm to 9pm16 (13%)
  • 9pm to midnight11 (8.9%)

Collisions by month

  • January15 (12%)
  • February5 (4%)
  • March12 (9.7%)
  • April14 (11%)
  • May12 (9.7%)
  • June9 (7.3%)
  • July7 (5.6%)
  • August11 (8.9%)
  • September7 (5.6%)
  • October13 (10%)
  • November10 (8.1%)
  • December9 (7.3%)

Light conditions at the time

  • Daylight98 (79%)
  • Dark, street lights lit21 (17%)
  • Dark, no street lighting3 (2.4%)
  • Dark, lighting unknown1 (0.8%)
  • Dark, street lights unlit1 (0.8%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3156 crashes

On the B3156, 95% of collisions happened where the speed limit was 30 mph and 70% on a dry road surface.

Speed limit at the scene

  • 30 mph118 (95%)
  • 50 mph1 (0.8%)
  • 60 mph5 (4%)

Weather at the time

  • Fine, no high winds107 (86%)
  • Raining, no high winds8 (6.5%)
  • Fine with high winds3 (2.4%)
  • Raining with high winds2 (1.6%)
  • Other2 (1.6%)
  • Not recorded2 (1.6%)

Road surface

  • Dry87 (70%)
  • Wet or damp36 (29%)
  • Frost or ice1 (0.8%)

Type of road

  • Single carriageway121 (98%)
  • Dual carriageway2 (1.6%)
  • Roundabout1 (0.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3156 crashes

Car occupants make up 47% of the people killed or injured on the B3156, followed by motorcyclists (19%).

Casualties by road user

  • Car occupant70 (47%)
  • Motorcyclist29 (19%)
  • Cyclist26 (17%)
  • Pedestrian21 (14%)
  • Van occupant2 (1.3%)
  • Minibus occupant1 (0.7%)

Vehicles involved

  • Car152 (66%)
  • Motorcycle31 (14%)
  • Pedal cycle26 (11%)
  • Van or goods vehicle up to 3.5 tonnes13 (5.7%)
  • Other vehicle3 (1.3%)
  • Goods vehicle over 3.5 tonnes2 (0.9%)
  • Minibus2 (0.9%)

Casualties by age

  • 0 to 52 (1.3%)
  • 6 to 103 (2%)
  • 11 to 1512 (8.1%)
  • 16 to 2031 (21%)
  • 21 to 2520 (13%)
  • 26 to 3518 (12%)
  • 36 to 4517 (11%)
  • 46 to 5516 (11%)
  • 56 to 657 (4.7%)
  • 66 to 7511 (7.4%)
  • Over 7511 (7.4%)
  • Not recorded1 (0.7%)

Drivers, passengers and pedestrians

  • Driver or rider98 (66%)
  • Passenger30 (20%)
  • Pedestrian21 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3156

Map of the 25 most recent crashes on the B3156

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

  • 25 crashes
  • Serious
  • Slight

B3156 crashes by council area

Collisions on the B3156 were recorded in 2 council areas. Dorset has the most, with 119, followed by Somerset (5).

Collisions on the B3156 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stDorset119144129
2ndSomerset5501

B3156 crashes by town

Of the 124 collisions on the B3156, 103 were in the built-up area of Weymouth.

Recent crashes on the B3156

These are the 25 most recent collisions on the B3156, from 27 April 2019 to 4 December 2025.

Severity