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CrashStats

A4151 accidents: crash map and statistics

Collisions since 1979
532
1,876th highest of 4,923 roads
Casualties
720
1.35 per collision
Fatal collisions
6
7 people killed
Serious collisions
127
152 seriously injured
Collisions in 2025
4
Down 20% on 2024
Casualties in 2025
5
Down 44% on 2024

Crash severity on the A4151

On the A4151, 1.1% of collisions were fatal and 24% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal61.1%
  • Serious12724%
  • Slight39975%

Where the A4151 ranks among 4,923 roads

Most collisions
1,876th
Most casualties
1,882nd
Most fatal collisions
2,299th
Most serious collisions
1,582nd

A4151 accidents by year

Collisions on the A4151 peaked at 28 in 2001 and were down to 4 in 2025.

Collisions and casualties on the A4151, 1979 to 2025

  • Collisions
  • Collisions in 2025: 4
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202545
202459
20231216
2022910
202188
202045
201967
201834
201711
2016814
201567
201467
201346
201278
20111115
201066
2009912
20081423
200747
20061114
20051924
20042127
20031727
20021519
20012842
20001319
19991116
19981016
19971116
19961213
199544
199478
19931522
19921214
19911921
1990810
1989814
19881416
198755
19861724
19851423
19842033
19831922
19821524
19811823
19801721
19792533

When crashes happen on the A4151

Friday has the most collisions on the A4151 (92), and 3pm to 6pm is the busiest time of day (126).

Collisions by day of the week

  • Monday74 (14%)
  • Tuesday69 (13%)
  • Wednesday73 (14%)
  • Thursday76 (14%)
  • Friday92 (17%)
  • Saturday83 (16%)
  • Sunday65 (12%)

Collisions by time of day

  • Midnight to 3am29 (5.5%)
  • 3am to 6am3 (0.6%)
  • 6am to 9am52 (9.8%)
  • 9am to noon84 (16%)
  • Noon to 3pm100 (19%)
  • 3pm to 6pm126 (24%)
  • 6pm to 9pm82 (15%)
  • 9pm to midnight56 (11%)

Collisions by month

  • January53 (10%)
  • February31 (5.8%)
  • March52 (9.8%)
  • April31 (5.8%)
  • May37 (7%)
  • June39 (7.3%)
  • July34 (6.4%)
  • August46 (8.6%)
  • September42 (7.9%)
  • October50 (9.4%)
  • November49 (9.2%)
  • December68 (13%)

Light conditions at the time

  • Daylight374 (70%)
  • Dark, street lights lit101 (19%)
  • Dark, no street lighting42 (7.9%)
  • Dark, lighting unknown11 (2.1%)
  • Dark, street lights unlit4 (0.8%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4151 crashes

On the A4151, 54% of collisions happened where the speed limit was 30 mph and 59% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph286 (54%)
  • 40 mph72 (14%)
  • 50 mph38 (7.1%)
  • 60 mph135 (25%)

Weather at the time

  • Fine, no high winds389 (73%)
  • Raining, no high winds97 (18%)
  • Fine with high winds7 (1.3%)
  • Fog or mist6 (1.1%)
  • Other21 (3.9%)
  • Not recorded12 (2.3%)

Road surface

  • Dry313 (59%)
  • Wet or damp203 (38%)
  • Frost or ice11 (2.1%)
  • Snow3 (0.6%)
  • Mud1 (0.2%)
  • Oil or diesel1 (0.2%)

Type of road

  • Single carriageway513 (96%)
  • Roundabout12 (2.3%)
  • Dual carriageway5 (0.9%)
  • One way street or slip road2 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4151 crashes

Car occupants make up 62% of the people killed or injured on the A4151, followed by motorcyclists (15%).

Casualties by road user

  • Car occupant449 (62%)
  • Motorcyclist108 (15%)
  • Pedestrian108 (15%)
  • Cyclist20 (2.8%)
  • Van occupant12 (1.7%)
  • Other vehicle occupant11 (1.5%)
  • Bus or coach occupant4 (0.6%)
  • Other8 (1.1%)

Vehicles involved

  • Car686 (75%)
  • Motorcycle104 (11%)
  • Van or goods vehicle up to 3.5 tonnes38 (4.2%)
  • Goods vehicle over 3.5 tonnes22 (2.4%)
  • Pedal cycle20 (2.2%)
  • Other vehicle19 (2.1%)
  • Bus or coach12 (1.3%)
  • Other9 (1%)

Casualties by age

  • 0 to 510 (1.4%)
  • 6 to 1021 (2.9%)
  • 11 to 1530 (4.2%)
  • 16 to 20172 (24%)
  • 21 to 2597 (13%)
  • 26 to 35128 (18%)
  • 36 to 45100 (14%)
  • 46 to 5562 (8.6%)
  • 56 to 6546 (6.4%)
  • 66 to 7533 (4.6%)
  • Over 7521 (2.9%)

Drivers, passengers and pedestrians

  • Driver or rider448 (62%)
  • Passenger164 (23%)
  • Pedestrian108 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4151

Map of the 25 most recent crashes on the A4151

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

  • 25 crashes
  • Serious
  • Slight

A4151 crashes by council area

Of the 532 collisions on the A4151, 529 were in Forest of Dean.

Collisions on the A4151 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stForest of Dean5297176127

A4151 crashes by town

Of the 532 collisions on the A4151, 305 were in the built-up area of Cinderford.

Recent crashes on the A4151

These are the 25 most recent collisions on the A4151, from 4 October 2022 to 18 December 2025.

Severity