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CrashStats

A4135 accidents: crash map and statistics

Police recorded 909 collisions on the A4135 from 1979 to 2025, with 1,200 casualties. Of those crashes, 23 were fatal and 226 serious, and 24 people were killed.

In 2025 there were 10 collisions on the A4135, down 9% from 11 in 2024, with 11 casualties.

Collisions since 1979
909
1,190th highest of 4,923 roads
Casualties
1,200
1.32 per collision
Fatal collisions
23
24 people killed
Serious collisions
226
275 seriously injured
Collisions in 2025
10
Down 9% on 2024
Casualties in 2025
11
Down 42% on 2024

Crash severity on the A4135

On the A4135, 2.5% of collisions were fatal and 25% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal232.5%
  • Serious22625%
  • Slight66073%

Where the A4135 ranks among 4,923 roads

Most collisions
1,190th
Most casualties
1,212th
Most fatal collisions
870th
Most serious collisions
945th

A4135 accidents by year

Collisions on the A4135 peaked at 42 in 1987 and were down to 10 in 2025.

Collisions and casualties on the A4135, 1979 to 2025

  • Collisions
  • Collisions in 2025: 10
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251011
20241119
2023910
20221213
2021916
202055
201978
2018812
2017815
201688
20151020
20141016
201368
20121213
20111216
20101010
2009816
20081720
20071720
20062933
20052229
20041315
20031622
20021924
20012227
20002537
19992236
19982328
19971726
19962434
19952440
19942025
19932834
19922838
19913340
19902835
19892637
19883549
19874247
19862737
19853344
19843238
19832933
19823342
19812034
19801821
19793239

When crashes happen on the A4135

Wednesday has the most collisions on the A4135 (144), and 3pm to 6pm is the busiest time of day (229).

Collisions by day of the week

  • Monday115 (13%)
  • Tuesday135 (15%)
  • Wednesday144 (16%)
  • Thursday136 (15%)
  • Friday140 (15%)
  • Saturday142 (16%)
  • Sunday97 (11%)

Collisions by time of day

  • Midnight to 3am29 (3.2%)
  • 3am to 6am13 (1.4%)
  • 6am to 9am97 (11%)
  • 9am to noon144 (16%)
  • Noon to 3pm164 (18%)
  • 3pm to 6pm229 (25%)
  • 6pm to 9pm129 (14%)
  • 9pm to midnight104 (11%)

Collisions by month

  • January72 (7.9%)
  • February79 (8.7%)
  • March72 (7.9%)
  • April60 (6.6%)
  • May62 (6.8%)
  • June81 (8.9%)
  • July80 (8.8%)
  • August77 (8.5%)
  • September83 (9.1%)
  • October84 (9.2%)
  • November98 (11%)
  • December61 (6.7%)

Light conditions at the time

  • Daylight660 (73%)
  • Dark, street lights lit146 (16%)
  • Dark, no street lighting78 (8.6%)
  • Dark, lighting unknown21 (2.3%)
  • Dark, street lights unlit4 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4135 crashes

On the A4135, 37% of collisions happened where the speed limit was 30 mph and 66% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.1%)
  • 30 mph333 (37%)
  • 40 mph270 (30%)
  • 50 mph28 (3.1%)
  • 60 mph262 (29%)
  • 70 mph15 (1.7%)

Weather at the time

  • Fine, no high winds716 (79%)
  • Raining, no high winds107 (12%)
  • Raining with high winds20 (2.2%)
  • Fine with high winds16 (1.8%)
  • Other38 (4.2%)
  • Not recorded12 (1.3%)

Road surface

  • Dry602 (66%)
  • Wet or damp276 (30%)
  • Frost or ice16 (1.8%)
  • Snow10 (1.1%)
  • Other3 (0.3%)
  • Not recorded2 (0.2%)

Type of road

  • Single carriageway849 (93%)
  • Roundabout42 (4.6%)
  • One way street or slip road8 (0.9%)
  • Dual carriageway7 (0.8%)
  • Not recorded3 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4135 crashes

Car occupants make up 57% of the people killed or injured on the A4135, followed by motorcyclists (18%).

Casualties by road user

  • Car occupant690 (57%)
  • Motorcyclist220 (18%)
  • Pedestrian147 (12%)
  • Cyclist83 (6.9%)
  • Van occupant25 (2.1%)
  • Goods vehicle occupant (over 3.5 tonnes)12 (1%)
  • Other vehicle occupant10 (0.8%)
  • Other13 (1.1%)

Vehicles involved

  • Car1,125 (71%)
  • Motorcycle226 (14%)
  • Pedal cycle84 (5.3%)
  • Van or goods vehicle up to 3.5 tonnes68 (4.3%)
  • Goods vehicle over 3.5 tonnes41 (2.6%)
  • Other vehicle18 (1.1%)
  • Other27 (1.7%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 515 (1.3%)
  • 6 to 1018 (1.5%)
  • 11 to 1581 (6.8%)
  • 16 to 20330 (28%)
  • 21 to 25176 (15%)
  • 26 to 35180 (15%)
  • 36 to 45125 (10%)
  • 46 to 5596 (8%)
  • 56 to 6574 (6.2%)
  • 66 to 7557 (4.8%)
  • Over 7548 (4%)

Drivers, passengers and pedestrians

  • Driver or rider802 (67%)
  • Passenger251 (21%)
  • Pedestrian147 (12%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4135

Map of the 25 most recent crashes on the A4135

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A4135 crashes by council area

Collisions on the A4135 were recorded in 2 council areas. Stroud has the most, with 760, followed by Cotswold (145).

Collisions on the A4135 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stStroud76098716192
2ndCotswold145209633

A4135 crashes by town

Collisions on the A4135 were recorded in 3 towns and built-up areas, led by Dursley (331) and Cam (226).

Recent crashes on the A4135

These are the 25 most recent collisions on the A4135, from 14 June 2023 to 27 November 2025.

Severity