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CrashStats

B4489 accidents: crash map and statistics

Collisions since 1979
843
1,267th highest of 4,923 roads
Casualties
1,032
1.22 per collision
Fatal collisions
7
7 people killed
Serious collisions
117
130 seriously injured
Collisions in 2025
4
Down 33% on 2024
Casualties in 2025
4
Down 60% on 2024

Crash severity on the B4489

On the B4489, 0.8% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal70.8%
  • Serious11714%
  • Slight71985%

Where the B4489 ranks among 4,923 roads

Most collisions
1,267th
Most casualties
1,404th
Most fatal collisions
2,103rd
Most serious collisions
1,688th

B4489 accidents by year

Collisions on the B4489 peaked at 45 in 1990 and were down to 4 in 2025.

Collisions and casualties on the B4489, 1979 to 2025

  • Collisions
  • Collisions in 2025: 4
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202544
2024610
202399
202267
202156
20201011
20191318
201899
20171316
20161113
20151114
201477
20131521
2012912
2011913
2010611
200988
20081222
20071621
20062024
20052230
20041415
20031822
20021823
20011923
20001720
199922
19981214
1997910
19961624
199589
19941315
19932227
19922631
19914451
19904559
19893947
19883840
19873745
19864246
19852832
19843340
19833040
19822022
19812529
19802125
19792635

When crashes happen on the B4489

Friday has the most collisions on the B4489 (149), and 3pm to 6pm is the busiest time of day (206).

Collisions by day of the week

  • Monday125 (15%)
  • Tuesday105 (12%)
  • Wednesday100 (12%)
  • Thursday130 (15%)
  • Friday149 (18%)
  • Saturday139 (16%)
  • Sunday95 (11%)

Collisions by time of day

  • Midnight to 3am45 (5.3%)
  • 3am to 6am11 (1.3%)
  • 6am to 9am89 (11%)
  • 9am to noon117 (14%)
  • Noon to 3pm148 (18%)
  • 3pm to 6pm206 (24%)
  • 6pm to 9pm132 (16%)
  • 9pm to midnight95 (11%)

Collisions by month

  • January75 (8.9%)
  • February56 (6.6%)
  • March75 (8.9%)
  • April72 (8.5%)
  • May55 (6.5%)
  • June78 (9.3%)
  • July67 (7.9%)
  • August65 (7.7%)
  • September68 (8.1%)
  • October89 (11%)
  • November58 (6.9%)
  • December85 (10%)

Light conditions at the time

  • Daylight578 (69%)
  • Dark, street lights lit226 (27%)
  • Dark, street lights unlit17 (2%)
  • Dark, lighting unknown11 (1.3%)
  • Dark, no street lighting2 (0.2%)
  • Not recorded9 (1.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4489 crashes

On the B4489, 97% of collisions happened where the speed limit was 30 mph and 67% on a dry road surface.

Speed limit at the scene

  • 20 mph11 (1.3%)
  • 30 mph821 (97%)
  • 40 mph7 (0.8%)
  • 50 mph2 (0.2%)
  • 60 mph2 (0.2%)

Weather at the time

  • Fine, no high winds619 (73%)
  • Raining, no high winds148 (18%)
  • Raining with high winds16 (1.9%)
  • Fine with high winds9 (1.1%)
  • Other15 (1.8%)
  • Not recorded36 (4.3%)

Road surface

  • Dry566 (67%)
  • Wet or damp259 (31%)
  • Frost or ice4 (0.5%)
  • Snow4 (0.5%)
  • Not recorded10 (1.2%)

Type of road

  • Single carriageway723 (86%)
  • Dual carriageway97 (12%)
  • Roundabout15 (1.8%)
  • One way street or slip road5 (0.6%)
  • Not recorded3 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4489 crashes

Car occupants make up 48% of the people killed or injured on the B4489, followed by pedestrians (30%).

Casualties by road user

  • Car occupant493 (48%)
  • Pedestrian314 (30%)
  • Motorcyclist101 (9.8%)
  • Cyclist45 (4.4%)
  • Bus or coach occupant35 (3.4%)
  • Van occupant21 (2%)
  • Taxi or private hire car occupant9 (0.9%)
  • Other14 (1.4%)

Vehicles involved

  • Car1,059 (75%)
  • Motorcycle110 (7.8%)
  • Van or goods vehicle up to 3.5 tonnes57 (4%)
  • Pedal cycle47 (3.3%)
  • Bus or coach45 (3.2%)
  • Taxi or private hire car41 (2.9%)
  • Other46 (3.3%)
  • Not recorded3 (0.2%)

Casualties by age

  • 0 to 523 (2.2%)
  • 6 to 1045 (4.4%)
  • 11 to 1586 (8.3%)
  • 16 to 20156 (15%)
  • 21 to 25144 (14%)
  • 26 to 35207 (20%)
  • 36 to 45139 (13%)
  • 46 to 5585 (8.2%)
  • 56 to 6575 (7.3%)
  • 66 to 7543 (4.2%)
  • Over 7527 (2.6%)
  • Not recorded2 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider461 (45%)
  • Pedestrian314 (30%)
  • Passenger257 (25%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4489

Map of the 25 most recent crashes on the B4489

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

  • 25 crashes
  • Serious
  • Slight

B4489 crashes by council area

Of the 843 collisions on the B4489, 840 were in Swansea.

Collisions on the B4489 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSwansea8401,0287117

B4489 crashes by town

Of the 843 collisions on the B4489, 787 were in the built-up area of Swansea.

Recent crashes on the B4489

These are the 25 most recent collisions on the B4489, from 2 May 2022 to 5 December 2025.

Severity