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CrashStats

A4102 accidents: crash map and statistics

Police recorded 518 collisions on the A4102 from 1979 to 2025, with 746 casualties. Of those crashes, 7 were fatal and 74 serious, and 7 people were killed.

In 2025 there were 2 collisions on the A4102, down 33% from 3 in 2024, with 3 casualties.

Collisions since 1979
518
1,910th highest of 4,923 roads
Casualties
746
1.44 per collision
Fatal collisions
7
7 people killed
Serious collisions
74
83 seriously injured
Collisions in 2025
2
Down 33% on 2024
Casualties in 2025
3
Level with 2024

Crash severity on the A4102

On the A4102, 1.4% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal71.4%
  • Serious7414%
  • Slight43784%

Where the A4102 ranks among 4,923 roads

Most collisions
1,910th
Most casualties
1,829th
Most fatal collisions
2,103rd
Most serious collisions
2,404th

A4102 accidents by year

Collisions on the A4102 peaked at 28 in 1981 and were down to 2 in 2025.

Collisions and casualties on the A4102, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202523
202433
2023912
202234
202135
202022
201949
2018813
2017813
20161020
20151012
201455
2013810
2012811
201122
201058
200944
2008715
2007512
200657
200547
2004815
2003919
20021018
20012030
200022
19991117
199859
19971417
1996812
19951114
19941724
199367
19922234
19911120
19901720
19891920
19881752
19871718
19861821
19852325
19841620
19832435
19822325
19812829
19802738
19792028

When crashes happen on the A4102

Friday has the most collisions on the A4102 (97), and 3pm to 6pm is the busiest time of day (113).

Collisions by day of the week

  • Monday71 (14%)
  • Tuesday63 (12%)
  • Wednesday69 (13%)
  • Thursday62 (12%)
  • Friday97 (19%)
  • Saturday91 (18%)
  • Sunday65 (13%)

Collisions by time of day

  • Midnight to 3am32 (6.2%)
  • 3am to 6am10 (1.9%)
  • 6am to 9am37 (7.1%)
  • 9am to noon59 (11%)
  • Noon to 3pm93 (18%)
  • 3pm to 6pm113 (22%)
  • 6pm to 9pm89 (17%)
  • 9pm to midnight85 (16%)

Collisions by month

  • January37 (7.1%)
  • February43 (8.3%)
  • March46 (8.9%)
  • April41 (7.9%)
  • May49 (9.5%)
  • June48 (9.3%)
  • July36 (6.9%)
  • August33 (6.4%)
  • September37 (7.1%)
  • October46 (8.9%)
  • November52 (10%)
  • December50 (9.7%)

Light conditions at the time

  • Daylight314 (61%)
  • Dark, street lights lit170 (33%)
  • Dark, street lights unlit15 (2.9%)
  • Dark, no street lighting11 (2.1%)
  • Dark, lighting unknown6 (1.2%)
  • Not recorded2 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4102 crashes

On the A4102, 94% of collisions happened where the speed limit was 30 mph and 60% on a dry road surface.

Speed limit at the scene

  • 30 mph488 (94%)
  • 40 mph8 (1.5%)
  • 50 mph4 (0.8%)
  • 60 mph7 (1.4%)
  • 70 mph11 (2.1%)

Weather at the time

  • Fine, no high winds375 (72%)
  • Raining, no high winds86 (17%)
  • Raining with high winds18 (3.5%)
  • Fine with high winds11 (2.1%)
  • Other21 (4.1%)
  • Not recorded7 (1.4%)

Road surface

  • Dry311 (60%)
  • Wet or damp185 (36%)
  • Frost or ice11 (2.1%)
  • Snow7 (1.4%)
  • Flood over 3cm deep1 (0.2%)
  • Not recorded3 (0.6%)

Type of road

  • Single carriageway404 (78%)
  • Roundabout63 (12%)
  • Dual carriageway30 (5.8%)
  • One way street or slip road18 (3.5%)
  • Not recorded3 (0.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4102 crashes

Car occupants make up 54% of the people killed or injured on the A4102, followed by pedestrians (22%).

Casualties by road user

  • Car occupant405 (54%)
  • Pedestrian162 (22%)
  • Bus or coach occupant63 (8.4%)
  • Motorcyclist60 (8%)
  • Cyclist18 (2.4%)
  • Taxi or private hire car occupant13 (1.7%)
  • Van occupant8 (1.1%)
  • Other17 (2.3%)

Vehicles involved

  • Car632 (77%)
  • Motorcycle63 (7.7%)
  • Bus or coach35 (4.3%)
  • Van or goods vehicle up to 3.5 tonnes29 (3.5%)
  • Pedal cycle18 (2.2%)
  • Goods vehicle over 3.5 tonnes15 (1.8%)
  • Taxi or private hire car11 (1.3%)
  • Other15 (1.8%)

Casualties by age

  • 0 to 513 (1.7%)
  • 6 to 1036 (4.8%)
  • 11 to 1556 (7.5%)
  • 16 to 20163 (22%)
  • 21 to 2593 (12%)
  • 26 to 35123 (16%)
  • 36 to 4593 (12%)
  • 46 to 5556 (7.5%)
  • 56 to 6549 (6.6%)
  • 66 to 7536 (4.8%)
  • Over 7526 (3.5%)
  • Not recorded2 (0.3%)

Drivers, passengers and pedestrians

  • Driver or rider335 (45%)
  • Passenger249 (33%)
  • Pedestrian162 (22%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4102

Map of the 25 most recent crashes on the A4102

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

  • 25 crashes
  • Serious
  • Slight

A4102 crashes by council area

Collisions on the A4102 were recorded in 2 council areas. Merthyr Tydfil has the most, with 485, followed by Dudley (28).

Collisions on the A4102 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stMerthyr Tydfil485701766
2ndDudley283707

A4102 crashes by town

Collisions on the A4102 were recorded in 2 towns and built-up areas, led by Merthyr Tydfil (381) and Stourbridge (28).

Recent crashes on the A4102

These are the 25 most recent collisions on the A4102, from 24 September 2019 to 16 August 2025.

Severity