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CrashStats

B4290 accidents: crash map and statistics

Police recorded 797 collisions on the B4290 from 1979 to 2025, with 1,023 casualties. Of those crashes, 10 were fatal and 113 serious, and 10 people were killed.

In 2025 there were 5 collisions on the B4290, up 67% from 3 in 2024, with 5 casualties.

Collisions since 1979
797
1,341st highest of 4,923 roads
Casualties
1,023
1.28 per collision
Fatal collisions
10
10 people killed
Serious collisions
113
124 seriously injured
Collisions in 2025
5
Up 67% on 2024
Casualties in 2025
5
Down 29% on 2024

Crash severity on the B4290

On the B4290, 1.3% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal101.3%
  • Serious11314%
  • Slight67485%

Where the B4290 ranks among 4,923 roads

Most collisions
1,341st
Most casualties
1,418th
Most fatal collisions
1,701st
Most serious collisions
1,716th

B4290 accidents by year

Collisions on the B4290 peaked at 37 in 1990 and were down to 5 in 2025.

Collisions and casualties on the B4290, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202555
202437
202333
202246
202122
202034
201977
201867
2017813
2016812
20151623
20142328
20131926
20121625
20111729
20101823
200989
20081520
20072030
20063246
20053441
20043546
20032023
20022436
20012130
20002128
1999711
19981617
1997611
199688
199568
199478
19932024
19922939
19913439
19903741
19893541
19882429
19873435
19862527
19852530
19842326
19832737
19821622
19811111
19801113
1979817

When crashes happen on the B4290

Saturday has the most collisions on the B4290 (142), and 3pm to 6pm is the busiest time of day (186).

Collisions by day of the week

  • Monday100 (13%)
  • Tuesday107 (13%)
  • Wednesday106 (13%)
  • Thursday117 (15%)
  • Friday121 (15%)
  • Saturday142 (18%)
  • Sunday104 (13%)

Collisions by time of day

  • Midnight to 3am85 (11%)
  • 3am to 6am14 (1.8%)
  • 6am to 9am51 (6.4%)
  • 9am to noon105 (13%)
  • Noon to 3pm139 (17%)
  • 3pm to 6pm186 (23%)
  • 6pm to 9pm102 (13%)
  • 9pm to midnight115 (14%)

Collisions by month

  • January68 (8.5%)
  • February59 (7.4%)
  • March52 (6.5%)
  • April62 (7.8%)
  • May71 (8.9%)
  • June67 (8.4%)
  • July66 (8.3%)
  • August93 (12%)
  • September63 (7.9%)
  • October60 (7.5%)
  • November64 (8%)
  • December72 (9%)

Light conditions at the time

  • Daylight513 (64%)
  • Dark, street lights lit236 (30%)
  • Dark, no street lighting28 (3.5%)
  • Dark, street lights unlit11 (1.4%)
  • Dark, lighting unknown5 (0.6%)
  • Not recorded4 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4290 crashes

On the B4290, 90% of collisions happened where the speed limit was 30 mph and 73% on a dry road surface.

Speed limit at the scene

  • 20 mph11 (1.4%)
  • 30 mph716 (90%)
  • 40 mph6 (0.8%)
  • 50 mph5 (0.6%)
  • 60 mph56 (7%)
  • 70 mph3 (0.4%)

Weather at the time

  • Fine, no high winds626 (79%)
  • Raining, no high winds106 (13%)
  • Raining with high winds22 (2.8%)
  • Fine with high winds9 (1.1%)
  • Other8 (1%)
  • Not recorded26 (3.3%)

Road surface

  • Dry581 (73%)
  • Wet or damp199 (25%)
  • Frost or ice11 (1.4%)
  • Snow2 (0.3%)
  • Not recorded4 (0.5%)

Type of road

  • Single carriageway445 (56%)
  • Dual carriageway275 (35%)
  • Roundabout56 (7%)
  • One way street or slip road18 (2.3%)
  • Not recorded3 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4290 crashes

Car occupants make up 48% of the people killed or injured on the B4290, followed by pedestrians (29%).

Casualties by road user

  • Car occupant495 (48%)
  • Pedestrian295 (29%)
  • Motorcyclist75 (7.3%)
  • Cyclist62 (6.1%)
  • Bus or coach occupant57 (5.6%)
  • Van occupant17 (1.7%)
  • Taxi or private hire car occupant16 (1.6%)
  • Other6 (0.6%)

Vehicles involved

  • Car987 (76%)
  • Motorcycle87 (6.7%)
  • Bus or coach69 (5.3%)
  • Pedal cycle62 (4.8%)
  • Taxi or private hire car33 (2.5%)
  • Van or goods vehicle up to 3.5 tonnes30 (2.3%)
  • Other22 (1.7%)
  • Not recorded5 (0.4%)

Casualties by age

  • 0 to 522 (2.2%)
  • 6 to 1029 (2.8%)
  • 11 to 1533 (3.2%)
  • 16 to 20229 (22%)
  • 21 to 25159 (16%)
  • 26 to 35188 (18%)
  • 36 to 45135 (13%)
  • 46 to 5585 (8.3%)
  • 56 to 6558 (5.7%)
  • 66 to 7546 (4.5%)
  • Over 7536 (3.5%)
  • Not recorded3 (0.3%)

Drivers, passengers and pedestrians

  • Driver or rider466 (46%)
  • Pedestrian295 (29%)
  • Passenger262 (26%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4290

Map of the 25 most recent crashes on the B4290

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4290 crashes by council area

Collisions on the B4290 were recorded in 2 council areas. Swansea has the most, with 549, followed by Neath Port Talbot (247).

Collisions on the B4290 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSwansea549691667
2ndNeath Port Talbot247331446

B4290 crashes by town

Collisions on the B4290 were recorded in 2 towns and built-up areas, led by Swansea (530) and Neath (107).

Recent crashes on the B4290

These are the 25 most recent collisions on the B4290, from 15 January 2019 to 21 November 2025.

Severity