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CrashStats

B4051 accidents: crash map and statistics

Police recorded 1,086 collisions on the B4051 from 1979 to 2025, with 1,262 casualties. Of those crashes, 12 were fatal and 167 serious, and 13 people were killed.

In 2025 there were 20 collisions on the B4051, level with 2024, with 21 casualties.

Collisions since 1979
1,086
1,008th highest of 4,923 roads
Casualties
1,262
1.16 per collision
Fatal collisions
12
13 people killed
Serious collisions
167
180 seriously injured
Collisions in 2025
20
Level with 2024
Casualties in 2025
21
Up 5% on 2024

Crash severity on the B4051

On the B4051, 1.1% of collisions were fatal and 15% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal121.1%
  • Serious16715%
  • Slight90784%

Where the B4051 ranks among 4,923 roads

Most collisions
1,008th
Most casualties
1,174th
Most fatal collisions
1,505th
Most serious collisions
1,249th

B4051 accidents by year

Collisions on the B4051 peaked at 42 in 1983 and were down to 20 in 2025.

Collisions and casualties on the B4051, 1979 to 2025

  • Collisions
  • Collisions in 2025: 20
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252021
20242020
20231818
20222525
20212325
2020910
20191516
20182125
20171820
20161315
20151117
20142326
2013810
20122026
20111720
20102124
20091521
20082331
20071717
20062324
20052526
20042027
20034045
20023038
20013239
20003441
19992424
19981620
19971821
19962226
19951721
199488
199369
19922226
19913037
19901717
19892934
19882632
19872836
19862527
19852935
19843946
19834244
19823541
19814243
19802932
19794156

When crashes happen on the B4051

Friday has the most collisions on the B4051 (188), and 3pm to 6pm is the busiest time of day (253).

Collisions by day of the week

  • Monday168 (15%)
  • Tuesday141 (13%)
  • Wednesday159 (15%)
  • Thursday186 (17%)
  • Friday188 (17%)
  • Saturday139 (13%)
  • Sunday105 (9.7%)

Collisions by time of day

  • Midnight to 3am79 (7.3%)
  • 3am to 6am31 (2.9%)
  • 6am to 9am114 (10%)
  • 9am to noon136 (13%)
  • Noon to 3pm179 (16%)
  • 3pm to 6pm253 (23%)
  • 6pm to 9pm158 (15%)
  • 9pm to midnight136 (13%)

Collisions by month

  • January77 (7.1%)
  • February85 (7.8%)
  • March99 (9.1%)
  • April70 (6.4%)
  • May74 (6.8%)
  • June94 (8.7%)
  • July90 (8.3%)
  • August88 (8.1%)
  • September90 (8.3%)
  • October117 (11%)
  • November122 (11%)
  • December80 (7.4%)

Light conditions at the time

  • Daylight698 (64%)
  • Dark, street lights lit370 (34%)
  • Dark, lighting unknown13 (1.2%)
  • Dark, street lights unlit5 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4051 crashes

On the B4051, 78% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph229 (21%)
  • 30 mph849 (78%)
  • 40 mph7 (0.6%)
  • Not recorded1 (0.1%)

Weather at the time

  • Fine, no high winds865 (80%)
  • Raining, no high winds167 (15%)
  • Raining with high winds7 (0.6%)
  • Fine with high winds6 (0.6%)
  • Other17 (1.6%)
  • Not recorded24 (2.2%)

Road surface

  • Dry808 (74%)
  • Wet or damp273 (25%)
  • Frost or ice1 (0.1%)
  • Oil or diesel1 (0.1%)
  • Not recorded3 (0.3%)

Type of road

  • Single carriageway905 (83%)
  • Dual carriageway92 (8.5%)
  • Roundabout69 (6.4%)
  • One way street or slip road15 (1.4%)
  • Not recorded5 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4051 crashes

Car occupants make up 36% of the people killed or injured on the B4051, followed by pedestrians (25%).

Casualties by road user

  • Car occupant451 (36%)
  • Pedestrian310 (25%)
  • Cyclist240 (19%)
  • Motorcyclist207 (16%)
  • Bus or coach occupant17 (1.3%)
  • Taxi or private hire car occupant14 (1.1%)
  • Other14 (1.1%)
  • Not recorded9 (0.7%)

Vehicles involved

  • Car1,259 (66%)
  • Pedal cycle245 (13%)
  • Motorcycle218 (12%)
  • Van or goods vehicle up to 3.5 tonnes64 (3.4%)
  • Taxi or private hire car35 (1.8%)
  • Bus or coach29 (1.5%)
  • Goods vehicle over 3.5 tonnes15 (0.8%)
  • Other29 (1.5%)

Casualties by age

  • 0 to 521 (1.7%)
  • 6 to 1025 (2%)
  • 11 to 1535 (2.8%)
  • 16 to 20213 (17%)
  • 21 to 25248 (20%)
  • 26 to 35303 (24%)
  • 36 to 45192 (15%)
  • 46 to 5598 (7.8%)
  • 56 to 6570 (5.5%)
  • 66 to 7539 (3.1%)
  • Over 7513 (1%)
  • Not recorded5 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider746 (59%)
  • Pedestrian310 (25%)
  • Passenger206 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4051

Map of the 25 most recent crashes on the B4051

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

  • 25 crashes
  • Serious
  • Slight

B4051 crashes by council area

Of the 1,086 collisions on the B4051, 1,084 were in Bristol.

Collisions on the B4051 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBristol1,0841,25912167

B4051 crashes by town

Of the 1,086 collisions on the B4051, 1,079 were in the built-up area of Bristol.

Recent crashes on the B4051

These are the 25 most recent collisions on the B4051, from 15 June 2024 to 19 December 2025.

Severity