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CrashStats

B312 accidents: crash map and statistics

Police recorded 306 collisions on the B312 from 1981 to 2025, with 384 casualties. Of those crashes, 1 was fatal and 39 serious, and 1 person was killed.

In 2025 there were 9 collisions on the B312, up 350% from 2 in 2024, with 10 casualties.

Collisions since 1981
306
2,661st highest of 4,923 roads
Casualties
384
1.25 per collision
Fatal collisions
1
1 person killed
Serious collisions
39
43 seriously injured
Collisions in 2025
9
Up 350% on 2024
Casualties in 2025
10
Up 150% on 2024

Crash severity on the B312

On the B312, 0.3% of collisions were fatal and 13% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1981 to 2025

  • Fatal10.3%
  • Serious3913%
  • Slight26687%

Where the B312 ranks among 4,923 roads

Most collisions
2,661st
Most casualties
2,787th
Most fatal collisions
3,933rd
Most serious collisions
3,304th

B312 accidents by year

Collisions on the B312 peaked at 17 in 2002 and were down to 9 in 2025.

Collisions and casualties on the B312, 1981 to 2025

  • Collisions
  • Collisions in 2025: 9
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025910
202424
202366
2022912
20211013
2020812
201955
201888
201722
2016810
201511
20141416
201388
2012911
2011810
2010813
2009811
20081112
2007910
200689
200588
200479
20031115
20021726
20011621
20001320
19991720
19981013
199768
1996812
19951315
19941115
199311
199211
199111
199011
198933
198822
198722
198600
198511
198411
198323
198222
198111

When crashes happen on the B312

Thursday has the most collisions on the B312 (63), and 3pm to 6pm is the busiest time of day (63).

Collisions by day of the week

  • Monday47 (15%)
  • Tuesday48 (16%)
  • Wednesday36 (12%)
  • Thursday63 (21%)
  • Friday35 (11%)
  • Saturday40 (13%)
  • Sunday37 (12%)

Collisions by time of day

  • Midnight to 3am11 (3.6%)
  • 3am to 6am3 (1%)
  • 6am to 9am39 (13%)
  • 9am to noon35 (11%)
  • Noon to 3pm54 (18%)
  • 3pm to 6pm63 (21%)
  • 6pm to 9pm59 (19%)
  • 9pm to midnight42 (14%)

Collisions by month

  • January24 (7.8%)
  • February17 (5.6%)
  • March20 (6.5%)
  • April31 (10%)
  • May34 (11%)
  • June24 (7.8%)
  • July24 (7.8%)
  • August21 (6.9%)
  • September28 (9.2%)
  • October33 (11%)
  • November25 (8.2%)
  • December25 (8.2%)

Light conditions at the time

  • Daylight206 (67%)
  • Dark, street lights lit97 (32%)
  • Dark, lighting unknown3 (1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B312 crashes

On the B312, 77% of collisions happened where the speed limit was 30 mph and 80% on a dry road surface.

Speed limit at the scene

  • 20 mph27 (8.8%)
  • 30 mph237 (77%)
  • 40 mph40 (13%)
  • 60 mph1 (0.3%)
  • 70 mph1 (0.3%)

Weather at the time

  • Fine, no high winds256 (84%)
  • Raining, no high winds37 (12%)
  • Fog or mist1 (0.3%)
  • Snowing, no high winds1 (0.3%)
  • Other5 (1.6%)
  • Not recorded6 (2%)

Road surface

  • Dry244 (80%)
  • Wet or damp58 (19%)
  • Flood over 3cm deep1 (0.3%)
  • Snow1 (0.3%)
  • Not recorded2 (0.7%)

Type of road

  • Single carriageway187 (61%)
  • Dual carriageway53 (17%)
  • Roundabout36 (12%)
  • One way street or slip road25 (8.2%)
  • Not recorded5 (1.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B312 crashes

Car occupants make up 57% of the people killed or injured on the B312, followed by pedestrians (16%).

Casualties by road user

  • Car occupant219 (57%)
  • Pedestrian61 (16%)
  • Motorcyclist42 (11%)
  • Cyclist25 (6.5%)
  • Bus or coach occupant14 (3.6%)
  • Van occupant11 (2.9%)
  • Taxi or private hire car occupant10 (2.6%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.5%)

Vehicles involved

  • Car408 (74%)
  • Motorcycle47 (8.5%)
  • Pedal cycle28 (5.1%)
  • Bus or coach23 (4.2%)
  • Van or goods vehicle up to 3.5 tonnes23 (4.2%)
  • Taxi or private hire car16 (2.9%)
  • Goods vehicle over 3.5 tonnes5 (0.9%)

Casualties by age

  • 0 to 58 (2.1%)
  • 6 to 1015 (3.9%)
  • 11 to 1518 (4.7%)
  • 16 to 2039 (10%)
  • 21 to 2553 (14%)
  • 26 to 3599 (26%)
  • 36 to 4554 (14%)
  • 46 to 5547 (12%)
  • 56 to 6521 (5.5%)
  • 66 to 755 (1.3%)
  • Over 754 (1%)
  • Not recorded21 (5.5%)

Drivers, passengers and pedestrians

  • Driver or rider232 (60%)
  • Passenger91 (24%)
  • Pedestrian61 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B312

Map of the 25 most recent crashes on the B312

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

  • 25 crashes
  • Serious
  • Slight

B312 crashes by council area

Collisions on the B312 were recorded in 2 council areas. Ealing has the most, with 259, followed by Westminster (42).

Collisions on the B312 in each area, 1981 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stEaling259336128
2ndWestminster424308

B312 crashes by town

Collisions on the B312 were recorded in 2 towns and built-up areas, led by Ealing (247) and City of Westminster (42).

Recent crashes on the B312

These are the 25 most recent collisions on the B312, from 19 April 2022 to 15 October 2025.

Severity