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CrashStats

B4139 accidents: crash map and statistics

Police recorded 69 collisions on the B4139 from 1979 to 2025, with 94 casualties. Of those crashes, 1 was fatal and 7 serious, and 1 person was killed.

In 2025 there were 5 collisions on the B4139, up 150% from 2 in 2024, with 9 casualties.

Collisions since 1979
69
4,372nd highest of 4,923 roads
Casualties
94
1.36 per collision
Fatal collisions
1
1 person killed
Serious collisions
7
10 seriously injured
Collisions in 2025
5
Up 150% on 2024
Casualties in 2025
9
Up 350% on 2024

Crash severity on the B4139

On the B4139, 1.4% of collisions were fatal and 10% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal11.4%
  • Serious710%
  • Slight6188%

Where the B4139 ranks among 4,923 roads

Most collisions
4,372nd
Most casualties
4,357th
Most fatal collisions
3,933rd
Most serious collisions
4,768th

B4139 accidents by year

Collisions on the B4139 peaked at 7 in 2011 and were down to 5 in 2025.

Collisions and casualties on the B4139, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202559
202422
202344
202211
202111
202011
201933
201800
201700
201635
201525
201444
201322
201222
201178
201056
200936
200822
200722
200646
200544
200400
200333
200200
200100
200011
199900
199800
199716
199600
199511
199422
199300
199200
199100
199000
198915
198811
198700
198600
198500
198400
198300
198200
198111
198000
197911

When crashes happen on the B4139

Wednesday has the most collisions on the B4139 (14), and 9am to noon is the busiest time of day (19).

Collisions by day of the week

  • Monday13 (19%)
  • Tuesday11 (16%)
  • Wednesday14 (20%)
  • Thursday7 (10%)
  • Friday9 (13%)
  • Saturday11 (16%)
  • Sunday4 (5.8%)

Collisions by time of day

  • Midnight to 3am0 (0%)
  • 3am to 6am0 (0%)
  • 6am to 9am7 (10%)
  • 9am to noon19 (28%)
  • Noon to 3pm12 (17%)
  • 3pm to 6pm18 (26%)
  • 6pm to 9pm7 (10%)
  • 9pm to midnight6 (8.7%)

Collisions by month

  • January9 (13%)
  • February7 (10%)
  • March2 (2.9%)
  • April7 (10%)
  • May12 (17%)
  • June6 (8.7%)
  • July3 (4.3%)
  • August3 (4.3%)
  • September4 (5.8%)
  • October2 (2.9%)
  • November7 (10%)
  • December7 (10%)

Light conditions at the time

  • Daylight55 (80%)
  • Dark, street lights lit12 (17%)
  • Dark, lighting unknown1 (1.4%)
  • Not recorded1 (1.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4139 crashes

On the B4139, 94% of collisions happened where the speed limit was 30 mph and 75% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (1.4%)
  • 30 mph65 (94%)
  • 40 mph1 (1.4%)
  • 60 mph2 (2.9%)

Weather at the time

  • Fine, no high winds54 (78%)
  • Raining, no high winds5 (7.2%)
  • Raining with high winds1 (1.4%)
  • Other5 (7.2%)
  • Not recorded4 (5.8%)

Road surface

  • Dry52 (75%)
  • Wet or damp16 (23%)
  • Not recorded1 (1.4%)

Type of road

  • Single carriageway43 (62%)
  • One way street or slip road20 (29%)
  • Dual carriageway5 (7.2%)
  • Not recorded1 (1.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4139 crashes

Pedestrians make up 45% of the people killed or injured on the B4139, followed by car occupants (39%).

Casualties by road user

  • Pedestrian42 (45%)
  • Car occupant37 (39%)
  • Cyclist6 (6.4%)
  • Taxi or private hire car occupant3 (3.2%)
  • Motorcyclist2 (2.1%)
  • Bus or coach occupant1 (1.1%)
  • Other2 (2.1%)
  • Not recorded1 (1.1%)

Vehicles involved

  • Car80 (75%)
  • Pedal cycle6 (5.7%)
  • Goods vehicle over 3.5 tonnes4 (3.8%)
  • Bus or coach3 (2.8%)
  • Van or goods vehicle up to 3.5 tonnes3 (2.8%)
  • Minibus2 (1.9%)
  • Motorcycle2 (1.9%)
  • Other6 (5.7%)

Casualties by age

  • 0 to 54 (4.3%)
  • 6 to 103 (3.2%)
  • 11 to 156 (6.4%)
  • 16 to 209 (9.6%)
  • 21 to 257 (7.4%)
  • 26 to 3518 (19%)
  • 36 to 4511 (12%)
  • 46 to 557 (7.4%)
  • 56 to 658 (8.5%)
  • 66 to 759 (9.6%)
  • Over 7510 (11%)
  • Not recorded2 (2.1%)

Drivers, passengers and pedestrians

  • Pedestrian42 (45%)
  • Driver or rider28 (30%)
  • Passenger24 (26%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4139

Map of the 25 most recent crashes on the B4139

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

  • 25 crashes
  • Serious
  • Slight

B4139 crashes by council area

Collisions on the B4139 were recorded in 2 council areas. Birmingham has the most, with 55, followed by Pembrokeshire (13).

Collisions on the B4139 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBirmingham556807
2ndPembrokeshire132510

B4139 crashes by town

Collisions on the B4139 were recorded in 3 towns and built-up areas, led by Birmingham (53) and Pembroke (3).

Recent crashes on the B4139

These are the 25 most recent collisions on the B4139, from 15 January 2014 to 16 December 2025.

Severity