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CrashStats

B1231 accidents: crash map and statistics

Police recorded 500 collisions on the B1231 from 1979 to 2025, with 611 casualties. Of those crashes, 6 were fatal and 88 serious, and 7 people were killed.

In 2025 there were 7 collisions on the B1231, down 46% from 13 in 2024, with 9 casualties.

Collisions since 1979
500
1,969th highest of 4,923 roads
Casualties
611
1.22 per collision
Fatal collisions
6
7 people killed
Serious collisions
88
101 seriously injured
Collisions in 2025
7
Down 46% on 2024
Casualties in 2025
9
Down 40% on 2024

Crash severity on the B1231

On the B1231, 1.2% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal61.2%
  • Serious8818%
  • Slight40681%

Where the B1231 ranks among 4,923 roads

Most collisions
1,969th
Most casualties
2,104th
Most fatal collisions
2,299th
Most serious collisions
2,122nd

B1231 accidents by year

Collisions on the B1231 peaked at 33 in 1989 and were down to 7 in 2025.

Collisions and casualties on the B1231, 1979 to 2025

  • Collisions
  • Collisions in 2025: 7
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202579
20241315
20231212
202288
20211112
20201313
20191516
2018910
201789
20161725
20151317
20142025
20131617
20121011
20111923
20101115
20091622
20081012
200799
2006810
20051316
2004815
200357
20021321
200144
200088
199900
199800
199713
1996810
19951113
199477
19931316
199266
199189
1990910
19893339
19882733
19873239
19861621
198555
198457
198333
1982711
198158
198056
197934

When crashes happen on the B1231

Wednesday has the most collisions on the B1231 (90), and 3pm to 6pm is the busiest time of day (124).

Collisions by day of the week

  • Monday64 (13%)
  • Tuesday64 (13%)
  • Wednesday90 (18%)
  • Thursday87 (17%)
  • Friday89 (18%)
  • Saturday59 (12%)
  • Sunday47 (9.4%)

Collisions by time of day

  • Midnight to 3am10 (2%)
  • 3am to 6am2 (0.4%)
  • 6am to 9am75 (15%)
  • 9am to noon83 (17%)
  • Noon to 3pm73 (15%)
  • 3pm to 6pm124 (25%)
  • 6pm to 9pm85 (17%)
  • 9pm to midnight48 (9.6%)

Collisions by month

  • January59 (12%)
  • February31 (6.2%)
  • March44 (8.8%)
  • April30 (6%)
  • May38 (7.6%)
  • June27 (5.4%)
  • July37 (7.4%)
  • August43 (8.6%)
  • September42 (8.4%)
  • October54 (11%)
  • November47 (9.4%)
  • December48 (9.6%)

Light conditions at the time

  • Daylight347 (69%)
  • Dark, street lights lit137 (27%)
  • Dark, no street lighting11 (2.2%)
  • Dark, lighting unknown4 (0.8%)
  • Dark, street lights unlit1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B1231 crashes

On the B1231, 83% of collisions happened where the speed limit was 30 mph and 68% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph415 (83%)
  • 40 mph51 (10%)
  • 60 mph32 (6.4%)
  • 70 mph1 (0.2%)

Weather at the time

  • Fine, no high winds433 (87%)
  • Raining, no high winds42 (8.4%)
  • Raining with high winds7 (1.4%)
  • Fine with high winds4 (0.8%)
  • Other8 (1.6%)
  • Not recorded6 (1.2%)

Road surface

  • Dry340 (68%)
  • Wet or damp145 (29%)
  • Frost or ice11 (2.2%)
  • Snow4 (0.8%)

Type of road

  • Single carriageway265 (53%)
  • Dual carriageway193 (39%)
  • Roundabout41 (8.2%)
  • One way street or slip road1 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B1231 crashes

Car occupants make up 45% of the people killed or injured on the B1231, followed by cyclists (25%).

Casualties by road user

  • Car occupant277 (45%)
  • Cyclist154 (25%)
  • Motorcyclist85 (14%)
  • Pedestrian60 (9.8%)
  • Bus or coach occupant21 (3.4%)
  • Van occupant7 (1.1%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.3%)
  • Other5 (0.8%)

Vehicles involved

  • Car587 (64%)
  • Pedal cycle158 (17%)
  • Motorcycle93 (10%)
  • Van or goods vehicle up to 3.5 tonnes37 (4%)
  • Bus or coach24 (2.6%)
  • Goods vehicle over 3.5 tonnes9 (1%)
  • Taxi or private hire car5 (0.5%)
  • Other9 (1%)

Casualties by age

  • 0 to 57 (1.1%)
  • 6 to 1010 (1.6%)
  • 11 to 1558 (9.5%)
  • 16 to 20111 (18%)
  • 21 to 2557 (9.3%)
  • 26 to 3568 (11%)
  • 36 to 4587 (14%)
  • 46 to 5561 (10%)
  • 56 to 6560 (9.8%)
  • 66 to 7546 (7.5%)
  • Over 7540 (6.5%)
  • Not recorded6 (1%)

Drivers, passengers and pedestrians

  • Driver or rider441 (72%)
  • Passenger110 (18%)
  • Pedestrian60 (9.8%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B1231

Map of the 25 most recent crashes on the B1231

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

  • 25 crashes
  • Serious
  • Slight

B1231 crashes by council area

Collisions on the B1231 were recorded in 2 council areas. East Riding of Yorkshire has the most, with 274, followed by Kingston upon Hull (224).

Collisions on the B1231 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stEast Riding of Yorkshire274345457
2ndKingston upon Hull224262230

B1231 crashes by town

Collisions on the B1231 were recorded in 3 towns and built-up areas, led by Kingston upon Hull (271) and Willerby, Anlaby and Kirk Ella (103).

Recent crashes on the B1231

These are the 25 most recent collisions on the B1231, from 27 May 2023 to 6 November 2025.

Severity