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CrashStats

A4107 accidents: crash map and statistics

Police recorded 510 collisions on the A4107 from 1979 to 2025, with 773 casualties. Of those crashes, 14 were fatal and 91 serious, and 15 people were killed.

In 2025 there were 7 collisions on the A4107, up 133% from 3 in 2024, with 10 casualties.

Collisions since 1979
510
1,940th highest of 4,923 roads
Casualties
773
1.52 per collision
Fatal collisions
14
15 people killed
Serious collisions
91
121 seriously injured
Collisions in 2025
7
Up 133% on 2024
Casualties in 2025
10
Up 150% on 2024

Crash severity on the A4107

On the A4107, 2.7% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal142.7%
  • Serious9118%
  • Slight40579%

Where the A4107 ranks among 4,923 roads

Most collisions
1,940th
Most casualties
1,780th
Most fatal collisions
1,329th
Most serious collisions
2,071st

A4107 accidents by year

Collisions on the A4107 peaked at 24 in 1980 and were down to 7 in 2025.

Collisions and casualties on the A4107, 1979 to 2025

  • Collisions
  • Collisions in 2025: 7
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025710
202434
202345
202233
202113
2020814
201944
201889
201733
201699
2015813
2014911
20131017
2012816
201134
2010913
200967
200868
20071219
20061526
20051326
20041116
2003711
20021013
20011012
20001114
1999915
19981624
19971624
19962138
19951219
19941020
1993720
19921732
19911624
19901525
19891934
19881011
19871214
19861821
19851420
1984811
19831521
19821727
19811422
19802432
19792229

When crashes happen on the A4107

Saturday has the most collisions on the A4107 (81), and 3pm to 6pm is the busiest time of day (118).

Collisions by day of the week

  • Monday77 (15%)
  • Tuesday70 (14%)
  • Wednesday61 (12%)
  • Thursday80 (16%)
  • Friday72 (14%)
  • Saturday81 (16%)
  • Sunday69 (14%)

Collisions by time of day

  • Midnight to 3am31 (6.1%)
  • 3am to 6am15 (2.9%)
  • 6am to 9am59 (12%)
  • 9am to noon55 (11%)
  • Noon to 3pm92 (18%)
  • 3pm to 6pm118 (23%)
  • 6pm to 9pm84 (16%)
  • 9pm to midnight56 (11%)

Collisions by month

  • January44 (8.6%)
  • February30 (5.9%)
  • March46 (9%)
  • April48 (9.4%)
  • May33 (6.5%)
  • June40 (7.8%)
  • July51 (10%)
  • August50 (9.8%)
  • September42 (8.2%)
  • October41 (8%)
  • November48 (9.4%)
  • December37 (7.3%)

Light conditions at the time

  • Daylight355 (70%)
  • Dark, street lights lit75 (15%)
  • Dark, no street lighting58 (11%)
  • Dark, lighting unknown12 (2.4%)
  • Dark, street lights unlit9 (1.8%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4107 crashes

On the A4107, 51% of collisions happened where the speed limit was 30 mph and 55% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.6%)
  • 30 mph260 (51%)
  • 40 mph29 (5.7%)
  • 50 mph13 (2.5%)
  • 60 mph202 (40%)
  • 70 mph3 (0.6%)

Weather at the time

  • Fine, no high winds360 (71%)
  • Raining, no high winds84 (16%)
  • Raining with high winds15 (2.9%)
  • Fine with high winds14 (2.7%)
  • Other24 (4.7%)
  • Not recorded13 (2.5%)

Road surface

  • Dry280 (55%)
  • Wet or damp201 (39%)
  • Frost or ice16 (3.1%)
  • Snow10 (2%)
  • Flood over 3cm deep2 (0.4%)
  • Not recorded1 (0.2%)

Type of road

  • Single carriageway496 (97%)
  • Roundabout6 (1.2%)
  • Dual carriageway4 (0.8%)
  • Not recorded4 (0.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4107 crashes

Car occupants make up 72% of the people killed or injured on the A4107, followed by motorcyclists (11%).

Casualties by road user

  • Car occupant554 (72%)
  • Motorcyclist87 (11%)
  • Pedestrian43 (5.6%)
  • Bus or coach occupant29 (3.8%)
  • Van occupant22 (2.8%)
  • Cyclist13 (1.7%)
  • Other vehicle occupant8 (1%)
  • Other17 (2.2%)

Vehicles involved

  • Car579 (73%)
  • Motorcycle86 (11%)
  • Van or goods vehicle up to 3.5 tonnes40 (5%)
  • Bus or coach28 (3.5%)
  • Goods vehicle over 3.5 tonnes24 (3%)
  • Pedal cycle13 (1.6%)
  • Other vehicle12 (1.5%)
  • Other16 (2%)

Casualties by age

  • 0 to 516 (2.1%)
  • 6 to 1017 (2.2%)
  • 11 to 1528 (3.6%)
  • 16 to 20203 (26%)
  • 21 to 25137 (18%)
  • 26 to 35152 (20%)
  • 36 to 4584 (11%)
  • 46 to 5562 (8%)
  • 56 to 6542 (5.4%)
  • 66 to 7522 (2.8%)
  • Over 7510 (1.3%)

Drivers, passengers and pedestrians

  • Driver or rider438 (57%)
  • Passenger292 (38%)
  • Pedestrian43 (5.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4107

Map of the 25 most recent crashes on the A4107

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

  • 25 crashes
  • Serious
  • Slight

A4107 crashes by council area

Collisions on the A4107 were recorded in 4 council areas. Neath Port Talbot has the most, with 487, followed by Rhondda Cynon Taf (11) and Bridgend (5).

Collisions on the A4107 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stNeath Port Talbot4877361485
2ndRhondda Cynon Taf111703
3rdBridgend5802
4thSouth Gloucestershire5501

A4107 crashes by town

Collisions on the A4107 were recorded in 2 towns and built-up areas, led by Port Talbot (64) and Kingswood and Fishponds (5).

Recent crashes on the A4107

These are the 25 most recent collisions on the A4107, from 7 June 2020 to 29 October 2025.

Severity