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CrashStats

B4355 accidents: crash map and statistics

Police recorded 287 collisions on the B4355 from 1979 to 2025, with 415 casualties. Of those crashes, 5 were fatal and 96 serious, and 5 people were killed.

In 2025 there were 5 collisions on the B4355, up 67% from 3 in 2024, with 6 casualties.

Collisions since 1979
287
2,764th highest of 4,923 roads
Casualties
415
1.45 per collision
Fatal collisions
5
5 people killed
Serious collisions
96
125 seriously injured
Collisions in 2025
5
Up 67% on 2024
Casualties in 2025
6
Level with 2024

Crash severity on the B4355

On the B4355, 1.7% of collisions were fatal and 33% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal51.7%
  • Serious9633%
  • Slight18665%

Where the B4355 ranks among 4,923 roads

Most collisions
2,764th
Most casualties
2,666th
Most fatal collisions
2,545th
Most serious collisions
1,982nd

B4355 accidents by year

Collisions on the B4355 peaked at 13 in 1987 and were down to 5 in 2025.

Collisions and casualties on the B4355, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202556
202436
202356
202247
202133
202022
2019914
2018612
201744
201655
2015713
201434
201344
2012911
2011813
201066
20091016
200856
200746
2006812
2005716
200456
2003911
200277
2001814
200068
199968
1998710
199747
1996611
19951116
199466
199323
1992711
1991510
1990916
1989913
198822
19871318
198666
198536
198478
198355
1982913
1981916
198058
197944

When crashes happen on the B4355

Friday has the most collisions on the B4355 (55), and 3pm to 6pm is the busiest time of day (61).

Collisions by day of the week

  • Monday39 (14%)
  • Tuesday47 (16%)
  • Wednesday27 (9.4%)
  • Thursday33 (11%)
  • Friday55 (19%)
  • Saturday51 (18%)
  • Sunday35 (12%)

Collisions by time of day

  • Midnight to 3am17 (5.9%)
  • 3am to 6am4 (1.4%)
  • 6am to 9am32 (11%)
  • 9am to noon47 (16%)
  • Noon to 3pm44 (15%)
  • 3pm to 6pm61 (21%)
  • 6pm to 9pm42 (15%)
  • 9pm to midnight40 (14%)

Collisions by month

  • January32 (11%)
  • February28 (9.8%)
  • March21 (7.3%)
  • April22 (7.7%)
  • May15 (5.2%)
  • June25 (8.7%)
  • July25 (8.7%)
  • August23 (8%)
  • September23 (8%)
  • October28 (9.8%)
  • November17 (5.9%)
  • December28 (9.8%)

Light conditions at the time

  • Daylight184 (64%)
  • Dark, no street lighting88 (31%)
  • Dark, street lights lit12 (4.2%)
  • Dark, lighting unknown1 (0.3%)
  • Not recorded2 (0.7%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4355 crashes

On the B4355, 78% of collisions happened where the speed limit was 60 mph and 55% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.3%)
  • 30 mph52 (18%)
  • 40 mph6 (2.1%)
  • 60 mph225 (78%)
  • 70 mph3 (1%)

Weather at the time

  • Fine, no high winds229 (80%)
  • Raining, no high winds33 (11%)
  • Fine with high winds5 (1.7%)
  • Snowing, no high winds5 (1.7%)
  • Other13 (4.5%)
  • Not recorded2 (0.7%)

Road surface

  • Dry158 (55%)
  • Wet or damp108 (38%)
  • Frost or ice13 (4.5%)
  • Snow6 (2.1%)
  • Not recorded2 (0.7%)

Type of road

  • Single carriageway281 (98%)
  • Roundabout2 (0.7%)
  • Dual carriageway1 (0.3%)
  • One way street or slip road1 (0.3%)
  • Not recorded2 (0.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4355 crashes

Car occupants make up 70% of the people killed or injured on the B4355, followed by motorcyclists (8.7%).

Casualties by road user

  • Car occupant292 (70%)
  • Motorcyclist36 (8.7%)
  • Pedestrian32 (7.7%)
  • Van occupant21 (5.1%)
  • Cyclist12 (2.9%)
  • Goods vehicle occupant (over 3.5 tonnes)8 (1.9%)
  • Bus or coach occupant5 (1.2%)
  • Other9 (2.2%)

Vehicles involved

  • Car334 (74%)
  • Motorcycle36 (7.9%)
  • Van or goods vehicle up to 3.5 tonnes31 (6.8%)
  • Goods vehicle over 3.5 tonnes26 (5.7%)
  • Pedal cycle12 (2.6%)
  • Bus or coach7 (1.5%)
  • Other vehicle4 (0.9%)
  • Other4 (0.9%)

Casualties by age

  • 0 to 512 (2.9%)
  • 6 to 1011 (2.7%)
  • 11 to 1513 (3.1%)
  • 16 to 2097 (23%)
  • 21 to 2550 (12%)
  • 26 to 3592 (22%)
  • 36 to 4546 (11%)
  • 46 to 5537 (8.9%)
  • 56 to 6524 (5.8%)
  • 66 to 7520 (4.8%)
  • Over 7513 (3.1%)

Drivers, passengers and pedestrians

  • Driver or rider249 (60%)
  • Passenger134 (32%)
  • Pedestrian32 (7.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4355

Map of the 24 most recent crashes on the B4355

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

  • 24 crashes
  • Serious
  • Slight

B4355 crashes by council area

Collisions on the B4355 were recorded in 2 council areas. Powys has the most, with 192, followed by Herefordshire (93).

Collisions on the B4355 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPowys192270365
2ndHerefordshire93143230

B4355 crashes by town

Collisions on the B4355 were recorded in 2 towns and built-up areas, led by Knighton (17) and Kington (13).

Recent crashes on the B4355

These are the 25 most recent collisions on the B4355, from 3 November 2019 to 3 December 2025.

Severity