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CrashStats

B4401 accidents: crash map and statistics

Police recorded 108 collisions on the B4401 from 1979 to 2024, with 153 casualties. Of those crashes, 2 were fatal and 24 serious, and 3 people were killed.

No collisions were recorded on the B4401 in 2025, after 1 in 2024.

Collisions since 1979
108
3,960th highest of 4,923 roads
Casualties
153
1.42 per collision
Fatal collisions
2
3 people killed
Serious collisions
24
27 seriously injured
Collisions in 2025
0
1 in 2024
Casualties in 2025
0
1 in 2024

Crash severity on the B4401

On the B4401, 1.9% of collisions were fatal and 22% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2024

  • Fatal21.9%
  • Serious2422%
  • Slight8276%

Where the B4401 ranks among 4,923 roads

Most collisions
3,960th
Most casualties
3,907th
Most fatal collisions
3,485th
Most serious collisions
3,851st

B4401 accidents by year

Collisions on the B4401 peaked at 7 in 1982; none were recorded in 2025.

Collisions and casualties on the B4401, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202500
202411
202300
202223
202100
202011
201922
201811
201711
201600
201511
201411
201344
201224
201125
201011
200911
200844
200722
200611
200566
200444
200347
200222
200156
200011
199911
199800
199749
199612
199511
199434
199347
1992510
199168
199033
198957
198813
198722
198612
198511
198444
198311
1982714
198111
198046
197948

When crashes happen on the B4401

Friday has the most collisions on the B4401 (21), and 3pm to 6pm is the busiest time of day (30).

Collisions by day of the week

  • Monday16 (15%)
  • Tuesday14 (13%)
  • Wednesday13 (12%)
  • Thursday17 (16%)
  • Friday21 (19%)
  • Saturday13 (12%)
  • Sunday14 (13%)

Collisions by time of day

  • Midnight to 3am4 (3.7%)
  • 3am to 6am2 (1.9%)
  • 6am to 9am14 (13%)
  • 9am to noon13 (12%)
  • Noon to 3pm18 (17%)
  • 3pm to 6pm30 (28%)
  • 6pm to 9pm8 (7.4%)
  • 9pm to midnight19 (18%)

Collisions by month

  • January7 (6.5%)
  • February7 (6.5%)
  • March10 (9.3%)
  • April8 (7.4%)
  • May11 (10%)
  • June5 (4.6%)
  • July7 (6.5%)
  • August12 (11%)
  • September14 (13%)
  • October10 (9.3%)
  • November6 (5.6%)
  • December11 (10%)

Light conditions at the time

  • Daylight79 (73%)
  • Dark, no street lighting26 (24%)
  • Dark, street lights lit3 (2.8%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4401 crashes

On the B4401, 79% of collisions happened where the speed limit was 60 mph and 56% on a wet or damp road surface.

Speed limit at the scene

  • 30 mph16 (15%)
  • 40 mph1 (0.9%)
  • 60 mph85 (79%)
  • 70 mph6 (5.6%)

Weather at the time

  • Fine, no high winds71 (66%)
  • Raining, no high winds24 (22%)
  • Raining with high winds6 (5.6%)
  • Fine with high winds1 (0.9%)
  • Snowing, no high winds1 (0.9%)
  • Other5 (4.6%)

Road surface

  • Wet or damp61 (56%)
  • Dry42 (39%)
  • Flood over 3cm deep2 (1.9%)
  • Frost or ice2 (1.9%)
  • Snow1 (0.9%)

Type of road

  • Single carriageway108 (100%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4401 crashes

Car occupants make up 71% of the people killed or injured on the B4401, followed by motorcyclists (10%).

Casualties by road user

  • Car occupant109 (71%)
  • Motorcyclist16 (10%)
  • Cyclist7 (4.6%)
  • Pedestrian7 (4.6%)
  • Van occupant5 (3.3%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (2.6%)
  • Bus or coach occupant3 (2%)
  • Other vehicle occupant2 (1.3%)

Vehicles involved

  • Car118 (67%)
  • Bus or coach13 (7.4%)
  • Motorcycle13 (7.4%)
  • Goods vehicle over 3.5 tonnes10 (5.7%)
  • Other vehicle7 (4%)
  • Pedal cycle7 (4%)
  • Van or goods vehicle up to 3.5 tonnes7 (4%)

Casualties by age

  • 0 to 55 (3.3%)
  • 6 to 107 (4.6%)
  • 11 to 152 (1.3%)
  • 16 to 2031 (20%)
  • 21 to 2526 (17%)
  • 26 to 3528 (18%)
  • 36 to 4519 (12%)
  • 46 to 5516 (10%)
  • 56 to 659 (5.9%)
  • 66 to 756 (3.9%)
  • Over 754 (2.6%)

Drivers, passengers and pedestrians

  • Driver or rider100 (65%)
  • Passenger46 (30%)
  • Pedestrian7 (4.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4401

Map of the 25 most recent crashes on the B4401

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4401 crashes by council area

Collisions on the B4401 were recorded in 2 council areas. Denbighshire has the most, with 73, followed by Gwynedd (35).

Collisions on the B4401 in each area, 1979 to 2024
RankAreaCollisionsCasualtiesFatalSerious
1stDenbighshire73104218
2ndGwynedd354906

Recent crashes on the B4401

These are the 25 most recent collisions on the B4401, from 12 December 2007 to 6 May 2024.

Severity