Skip to main content
CrashStats

A4136 accidents: crash map and statistics

Police recorded 1,059 collisions on the A4136 from 1979 to 2025, with 1,627 casualties. Of those crashes, 41 were fatal and 268 serious, and 45 people were killed.

In 2025 there were 12 collisions on the A4136, up 20% from 10 in 2024, with 16 casualties.

Collisions since 1979
1,059
1,033rd highest of 4,923 roads
Casualties
1,627
1.54 per collision
Fatal collisions
41
45 people killed
Serious collisions
268
357 seriously injured
Collisions in 2025
12
Up 20% on 2024
Casualties in 2025
16
Up 45% on 2024

Crash severity on the A4136

On the A4136, 3.9% of collisions were fatal and 25% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal413.9%
  • Serious26825%
  • Slight75071%

Where the A4136 ranks among 4,923 roads

Most collisions
1,033rd
Most casualties
909th
Most fatal collisions
516th
Most serious collisions
804th

A4136 accidents by year

Collisions on the A4136 peaked at 38 in 2003 and were down to 12 in 2025.

Collisions and casualties on the A4136, 1979 to 2025

  • Collisions
  • Collisions in 2025: 12
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251216
20241011
20231429
20221014
20211517
2020811
201979
2018710
20171117
20161017
20151427
20141327
20131117
20122028
20112330
20101726
20091821
20082135
20071926
20062334
20052348
20043650
20033852
20022941
20012943
20003764
19993547
19982745
19972337
19962637
19952341
19942535
19932842
19923265
19913045
19902234
19892638
19882333
19872541
19862843
19853349
19843458
19832939
19822441
19812835
19803153
19793249

When crashes happen on the A4136

Saturday has the most collisions on the A4136 (186), and 3pm to 6pm is the busiest time of day (248).

Collisions by day of the week

  • Monday132 (12%)
  • Tuesday149 (14%)
  • Wednesday125 (12%)
  • Thursday154 (15%)
  • Friday169 (16%)
  • Saturday186 (18%)
  • Sunday144 (14%)

Collisions by time of day

  • Midnight to 3am42 (4%)
  • 3am to 6am16 (1.5%)
  • 6am to 9am131 (12%)
  • 9am to noon149 (14%)
  • Noon to 3pm224 (21%)
  • 3pm to 6pm248 (23%)
  • 6pm to 9pm150 (14%)
  • 9pm to midnight99 (9.3%)

Collisions by month

  • January73 (6.9%)
  • February61 (5.8%)
  • March83 (7.8%)
  • April64 (6%)
  • May90 (8.5%)
  • June99 (9.3%)
  • July109 (10%)
  • August86 (8.1%)
  • September95 (9%)
  • October101 (9.5%)
  • November108 (10%)
  • December90 (8.5%)

Light conditions at the time

  • Daylight785 (74%)
  • Dark, no street lighting179 (17%)
  • Dark, street lights lit66 (6.2%)
  • Dark, lighting unknown26 (2.5%)
  • Dark, street lights unlit3 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4136 crashes

On the A4136, 61% of collisions happened where the speed limit was 60 mph and 59% on a dry road surface.

Speed limit at the scene

  • 30 mph109 (10%)
  • 40 mph228 (22%)
  • 50 mph75 (7.1%)
  • 60 mph644 (61%)
  • 70 mph3 (0.3%)

Weather at the time

  • Fine, no high winds791 (75%)
  • Raining, no high winds169 (16%)
  • Raining with high winds26 (2.5%)
  • Fog or mist20 (1.9%)
  • Other45 (4.2%)
  • Not recorded8 (0.8%)

Road surface

  • Dry621 (59%)
  • Wet or damp382 (36%)
  • Frost or ice34 (3.2%)
  • Snow10 (0.9%)
  • Flood over 3cm deep9 (0.8%)
  • Oil or diesel3 (0.3%)

Type of road

  • Single carriageway1,024 (97%)
  • Dual carriageway25 (2.4%)
  • Roundabout5 (0.5%)
  • One way street or slip road3 (0.3%)
  • Not recorded2 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4136 crashes

Car occupants make up 74% of the people killed or injured on the A4136, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant1,212 (74%)
  • Motorcyclist219 (13%)
  • Pedestrian55 (3.4%)
  • Van occupant49 (3%)
  • Goods vehicle occupant (over 3.5 tonnes)40 (2.5%)
  • Cyclist26 (1.6%)
  • Minibus occupant9 (0.6%)
  • Other17 (1%)

Vehicles involved

  • Car1,436 (75%)
  • Motorcycle210 (11%)
  • Goods vehicle over 3.5 tonnes131 (6.8%)
  • Van or goods vehicle up to 3.5 tonnes75 (3.9%)
  • Pedal cycle27 (1.4%)
  • Other vehicle17 (0.9%)
  • Bus or coach13 (0.7%)
  • Other17 (0.9%)

Casualties by age

  • 0 to 521 (1.3%)
  • 6 to 1031 (1.9%)
  • 11 to 1556 (3.4%)
  • 16 to 20390 (24%)
  • 21 to 25216 (13%)
  • 26 to 35281 (17%)
  • 36 to 45216 (13%)
  • 46 to 55187 (11%)
  • 56 to 65116 (7.1%)
  • 66 to 7566 (4.1%)
  • Over 7544 (2.7%)
  • Not recorded3 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider1,056 (65%)
  • Passenger516 (32%)
  • Pedestrian55 (3.4%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4136

Map of the 25 most recent crashes on the A4136

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A4136 crashes by council area

Collisions on the A4136 were recorded in 2 council areas. Forest of Dean has the most, with 931, followed by Monmouthshire (126).

Collisions on the A4136 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stForest of Dean9311,43738222
2ndMonmouthshire126188346

A4136 crashes by town

Collisions on the A4136 were recorded in 4 towns and built-up areas, led by Berry Hill (89) and Mitcheldean (73).

Recent crashes on the A4136

These are the 25 most recent collisions on the A4136, from 30 October 2023 to 17 August 2025.

Severity