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CrashStats

B5120 accidents: crash map and statistics

Police recorded 223 collisions on the B5120 from 1984 to 2025, with 303 casualties. Of those crashes, 4 were fatal and 42 serious, and 4 people were killed.

In 2025 there were 9 collisions on the B5120, up 50% from 6 in 2024, with 13 casualties.

Collisions since 1984
223
3,095th highest of 4,923 roads
Casualties
303
1.36 per collision
Fatal collisions
4
4 people killed
Serious collisions
42
47 seriously injured
Collisions in 2025
9
Up 50% on 2024
Casualties in 2025
13
Up 86% on 2024

Crash severity on the B5120

On the B5120, 1.8% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1984 to 2025

  • Fatal41.8%
  • Serious4219%
  • Slight17779%

Where the B5120 ranks among 4,923 roads

Most collisions
3,095th
Most casualties
3,110th
Most fatal collisions
2,815th
Most serious collisions
3,204th

B5120 accidents by year

Collisions on the B5120 peaked at 12 in 1987 and were down to 9 in 2025.

Collisions and casualties on the B5120, 1984 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025913
202467
20231113
2022910
20211120
2020511
201988
2018812
201767
201633
201534
201424
201355
201289
201134
201036
200937
200827
200756
200634
200536
200455
200356
200223
200177
20001015
199922
199834
199745
199634
199557
199433
199334
199245
1991810
199069
198946
19881012
19871217
198668
198544
198411

When crashes happen on the B5120

Friday has the most collisions on the B5120 (46), and 3pm to 6pm is the busiest time of day (52).

Collisions by day of the week

  • Monday37 (17%)
  • Tuesday29 (13%)
  • Wednesday32 (14%)
  • Thursday36 (16%)
  • Friday46 (21%)
  • Saturday28 (13%)
  • Sunday15 (6.7%)

Collisions by time of day

  • Midnight to 3am5 (2.2%)
  • 3am to 6am4 (1.8%)
  • 6am to 9am28 (13%)
  • 9am to noon42 (19%)
  • Noon to 3pm43 (19%)
  • 3pm to 6pm52 (23%)
  • 6pm to 9pm36 (16%)
  • 9pm to midnight13 (5.8%)

Collisions by month

  • January10 (4.5%)
  • February13 (5.8%)
  • March18 (8.1%)
  • April17 (7.6%)
  • May18 (8.1%)
  • June22 (9.9%)
  • July20 (9%)
  • August14 (6.3%)
  • September29 (13%)
  • October11 (4.9%)
  • November25 (11%)
  • December26 (12%)

Light conditions at the time

  • Daylight170 (76%)
  • Dark, street lights lit46 (21%)
  • Dark, no street lighting5 (2.2%)
  • Dark, lighting unknown2 (0.9%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B5120 crashes

On the B5120, 87% of collisions happened where the speed limit was 30 mph and 70% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (1.3%)
  • 30 mph194 (87%)
  • 40 mph8 (3.6%)
  • 60 mph16 (7.2%)
  • 70 mph2 (0.9%)

Weather at the time

  • Fine, no high winds180 (81%)
  • Raining, no high winds30 (13%)
  • Fine with high winds3 (1.3%)
  • Fog or mist2 (0.9%)
  • Other7 (3.1%)
  • Not recorded1 (0.4%)

Road surface

  • Dry155 (70%)
  • Wet or damp65 (29%)
  • Frost or ice1 (0.4%)
  • Not recorded2 (0.9%)

Type of road

  • Single carriageway205 (92%)
  • Roundabout8 (3.6%)
  • Dual carriageway7 (3.1%)
  • One way street or slip road3 (1.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B5120 crashes

Car occupants make up 59% of the people killed or injured on the B5120, followed by pedestrians (25%).

Casualties by road user

  • Car occupant180 (59%)
  • Pedestrian75 (25%)
  • Cyclist18 (5.9%)
  • Motorcyclist14 (4.6%)
  • Bus or coach occupant6 (2%)
  • Taxi or private hire car occupant6 (2%)
  • Van occupant2 (0.7%)
  • Other2 (0.7%)

Vehicles involved

  • Car295 (83%)
  • Pedal cycle18 (5%)
  • Motorcycle16 (4.5%)
  • Van or goods vehicle up to 3.5 tonnes11 (3.1%)
  • Taxi or private hire car8 (2.2%)
  • Bus or coach4 (1.1%)
  • Other vehicle2 (0.6%)
  • Other3 (0.8%)

Casualties by age

  • 0 to 58 (2.6%)
  • 6 to 1012 (4%)
  • 11 to 1522 (7.3%)
  • 16 to 2053 (17%)
  • 21 to 2528 (9.2%)
  • 26 to 3539 (13%)
  • 36 to 4536 (12%)
  • 46 to 5536 (12%)
  • 56 to 6518 (5.9%)
  • 66 to 7523 (7.6%)
  • Over 7527 (8.9%)
  • Not recorded1 (0.3%)

Drivers, passengers and pedestrians

  • Driver or rider165 (54%)
  • Pedestrian75 (25%)
  • Passenger63 (21%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B5120

Map of the 25 most recent crashes on the B5120

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

  • 25 crashes
  • Serious
  • Slight

B5120 crashes by council area

Collisions on the B5120 were recorded in 2 council areas. Denbighshire has the most, with 161, followed by Central Bedfordshire (62).

Collisions on the B5120 in each area, 1984 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stDenbighshire161213430
2ndCentral Bedfordshire6290012

B5120 crashes by town

Collisions on the B5120 were recorded in 4 towns and built-up areas, led by Prestatyn (161) and Houghton Regis (18).

Recent crashes on the B5120

These are the 25 most recent collisions on the B5120, from 10 February 2023 to 9 December 2025.

Severity