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CrashStats

B4057 accidents: crash map and statistics

Police recorded 930 collisions on the B4057 from 1979 to 2025, with 1,159 casualties. Of those crashes, 16 were fatal and 175 serious, and 17 people were killed.

In 2025 there were 27 collisions on the B4057, up 59% from 17 in 2024, with 34 casualties.

Collisions since 1979
930
1,166th highest of 4,923 roads
Casualties
1,159
1.25 per collision
Fatal collisions
16
17 people killed
Serious collisions
175
203 seriously injured
Collisions in 2025
27
Up 59% on 2024
Casualties in 2025
34
Up 79% on 2024

Crash severity on the B4057

On the B4057, 1.7% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal161.7%
  • Serious17519%
  • Slight73979%

Where the B4057 ranks among 4,923 roads

Most collisions
1,166th
Most casualties
1,258th
Most fatal collisions
1,181st
Most serious collisions
1,187th

B4057 accidents by year

Collisions on the B4057 peaked at 32 in 2000 and were down to 27 in 2025.

Collisions and casualties on the B4057, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252734
20241719
202344
20221113
20211010
2020910
20191213
20181721
20171923
20162123
20151516
20141524
20132634
20122941
20111112
20101719
20092432
20082631
20071924
20062024
20052226
20043035
20032330
20022937
20012635
20003239
19992431
19982329
19971617
19961720
19951212
19941324
19931011
199268
199188
19901619
19891923
19882934
19872727
19863033
19852031
19842544
19832323
19823140
19812230
19801724
19793142

When crashes happen on the B4057

Tuesday has the most collisions on the B4057 (172), and 3pm to 6pm is the busiest time of day (288).

Collisions by day of the week

  • Monday118 (13%)
  • Tuesday172 (18%)
  • Wednesday136 (15%)
  • Thursday163 (18%)
  • Friday159 (17%)
  • Saturday110 (12%)
  • Sunday72 (7.7%)

Collisions by time of day

  • Midnight to 3am20 (2.2%)
  • 3am to 6am9 (1%)
  • 6am to 9am152 (16%)
  • 9am to noon77 (8.3%)
  • Noon to 3pm142 (15%)
  • 3pm to 6pm288 (31%)
  • 6pm to 9pm158 (17%)
  • 9pm to midnight84 (9%)

Collisions by month

  • January86 (9.2%)
  • February69 (7.4%)
  • March73 (7.8%)
  • April70 (7.5%)
  • May79 (8.5%)
  • June69 (7.4%)
  • July80 (8.6%)
  • August66 (7.1%)
  • September88 (9.5%)
  • October81 (8.7%)
  • November97 (10%)
  • December72 (7.7%)

Light conditions at the time

  • Daylight653 (70%)
  • Dark, street lights lit211 (23%)
  • Dark, no street lighting31 (3.3%)
  • Dark, lighting unknown26 (2.8%)
  • Dark, street lights unlit9 (1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4057 crashes

On the B4057, 66% of collisions happened where the speed limit was 30 mph and 69% on a dry road surface.

Speed limit at the scene

  • 20 mph20 (2.2%)
  • 30 mph615 (66%)
  • 40 mph155 (17%)
  • 50 mph77 (8.3%)
  • 60 mph41 (4.4%)
  • 70 mph21 (2.3%)
  • Not recorded1 (0.1%)

Weather at the time

  • Fine, no high winds719 (77%)
  • Raining, no high winds113 (12%)
  • Raining with high winds23 (2.5%)
  • Fine with high winds15 (1.6%)
  • Other38 (4.1%)
  • Not recorded22 (2.4%)

Road surface

  • Dry639 (69%)
  • Wet or damp275 (30%)
  • Frost or ice11 (1.2%)
  • Snow4 (0.4%)
  • Not recorded1 (0.1%)

Type of road

  • Single carriageway665 (72%)
  • Dual carriageway148 (16%)
  • Roundabout87 (9.4%)
  • One way street or slip road25 (2.7%)
  • Not recorded5 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4057 crashes

Car occupants make up 49% of the people killed or injured on the B4057, followed by motorcyclists (19%).

Casualties by road user

  • Car occupant565 (49%)
  • Motorcyclist221 (19%)
  • Cyclist183 (16%)
  • Pedestrian150 (13%)
  • Bus or coach occupant17 (1.5%)
  • Van occupant11 (0.9%)
  • Other10 (0.9%)
  • Not recorded2 (0.2%)

Vehicles involved

  • Car1,210 (70%)
  • Motorcycle224 (13%)
  • Pedal cycle187 (11%)
  • Van or goods vehicle up to 3.5 tonnes54 (3.1%)
  • Bus or coach31 (1.8%)
  • Goods vehicle over 3.5 tonnes13 (0.7%)
  • Other20 (1.1%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 517 (1.5%)
  • 6 to 1028 (2.4%)
  • 11 to 1569 (6%)
  • 16 to 20230 (20%)
  • 21 to 25148 (13%)
  • 26 to 35227 (20%)
  • 36 to 45165 (14%)
  • 46 to 55137 (12%)
  • 56 to 6572 (6.2%)
  • 66 to 7539 (3.4%)
  • Over 7515 (1.3%)
  • Not recorded12 (1%)

Drivers, passengers and pedestrians

  • Driver or rider813 (70%)
  • Passenger196 (17%)
  • Pedestrian150 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4057

Map of the 25 most recent crashes on the B4057

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

  • 25 crashes
  • Serious
  • Slight

B4057 crashes by council area

Collisions on the B4057 were recorded in 2 council areas. South Gloucestershire has the most, with 535, followed by Bristol (393).

Collisions on the B4057 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouth Gloucestershire5356629105
2ndBristol393494770

B4057 crashes by town

Collisions on the B4057 were recorded in 6 towns and built-up areas, led by Bristol (300) and Bradley Stoke (137).

Recent crashes on the B4057

These are the 25 most recent collisions on the B4057, from 17 January to 23 December 2025.

Severity