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CrashStats

B4358 accidents: crash map and statistics

Police recorded 124 collisions on the B4358 from 1979 to 2025, with 173 casualties. Of those crashes, 2 were fatal and 47 serious, and 2 people were killed.

In 2025 there were 2 collisions on the B4358, level with 2024, with 3 casualties.

Collisions since 1979
124
3,813th highest of 4,923 roads
Casualties
173
1.40 per collision
Fatal collisions
2
2 people killed
Serious collisions
47
54 seriously injured
Collisions in 2025
2
Level with 2024
Casualties in 2025
3
Level with 2024

Crash severity on the B4358

On the B4358, 1.6% of collisions were fatal and 38% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal21.6%
  • Serious4738%
  • Slight7560%

Where the B4358 ranks among 4,923 roads

Most collisions
3,813th
Most casualties
3,784th
Most fatal collisions
3,485th
Most serious collisions
3,056th

B4358 accidents by year

Collisions on the B4358 peaked at 7 in 2017 and were down to 2 in 2025.

Collisions and casualties on the B4358, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202523
202423
202333
202211
202100
202033
201922
201822
201778
201635
201511
201433
201333
201257
201156
201044
200949
200844
200736
200644
200511
200427
200311
200244
200146
200055
199957
199823
199735
199622
199536
199466
199300
199222
199123
1990612
198911
198822
1987311
198600
198511
198413
198344
198200
198111
198000
197923

When crashes happen on the B4358

Sunday has the most collisions on the B4358 (31), and noon to 3pm is the busiest time of day (34).

Collisions by day of the week

  • Monday15 (12%)
  • Tuesday15 (12%)
  • Wednesday10 (8.1%)
  • Thursday20 (16%)
  • Friday21 (17%)
  • Saturday12 (9.7%)
  • Sunday31 (25%)

Collisions by time of day

  • Midnight to 3am2 (1.6%)
  • 3am to 6am2 (1.6%)
  • 6am to 9am14 (11%)
  • 9am to noon20 (16%)
  • Noon to 3pm34 (27%)
  • 3pm to 6pm30 (24%)
  • 6pm to 9pm13 (10%)
  • 9pm to midnight9 (7.3%)

Collisions by month

  • January12 (9.7%)
  • February4 (3.2%)
  • March11 (8.9%)
  • April9 (7.3%)
  • May7 (5.6%)
  • June7 (5.6%)
  • July12 (9.7%)
  • August20 (16%)
  • September17 (14%)
  • October10 (8.1%)
  • November8 (6.5%)
  • December7 (5.6%)

Light conditions at the time

  • Daylight103 (83%)
  • Dark, no street lighting21 (17%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4358 crashes

On the B4358, 95% of collisions happened where the speed limit was 60 mph and 52% on a dry road surface.

Speed limit at the scene

  • 30 mph4 (3.2%)
  • 40 mph2 (1.6%)
  • 60 mph118 (95%)

Weather at the time

  • Fine, no high winds78 (63%)
  • Raining, no high winds30 (24%)
  • Raining with high winds3 (2.4%)
  • Snowing, no high winds3 (2.4%)
  • Other8 (6.5%)
  • Not recorded2 (1.6%)

Road surface

  • Dry65 (52%)
  • Wet or damp46 (37%)
  • Frost or ice8 (6.5%)
  • Oil or diesel2 (1.6%)
  • Snow2 (1.6%)
  • Flood over 3cm deep1 (0.8%)

Type of road

  • Single carriageway123 (99%)
  • One way street or slip road1 (0.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4358 crashes

Car occupants make up 62% of the people killed or injured on the B4358, followed by motorcyclists (23%).

Casualties by road user

  • Car occupant107 (62%)
  • Motorcyclist40 (23%)
  • Minibus occupant8 (4.6%)
  • Cyclist4 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (2.3%)
  • Van occupant4 (2.3%)
  • Other vehicle occupant2 (1.2%)
  • Other4 (2.3%)

Vehicles involved

  • Car113 (60%)
  • Motorcycle43 (23%)
  • Van or goods vehicle up to 3.5 tonnes10 (5.3%)
  • Goods vehicle over 3.5 tonnes9 (4.8%)
  • Pedal cycle4 (2.1%)
  • Other vehicle3 (1.6%)
  • Agricultural vehicle2 (1.1%)
  • Other4 (2.1%)

Casualties by age

  • 0 to 51 (0.6%)
  • 6 to 102 (1.2%)
  • 11 to 157 (4%)
  • 16 to 2030 (17%)
  • 21 to 2520 (12%)
  • 26 to 3526 (15%)
  • 36 to 4525 (14%)
  • 46 to 5531 (18%)
  • 56 to 6513 (7.5%)
  • 66 to 7510 (5.8%)
  • Over 757 (4%)
  • Not recorded1 (0.6%)

Drivers, passengers and pedestrians

  • Driver or rider127 (73%)
  • Passenger44 (25%)
  • Pedestrian2 (1.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4358

Map of the 25 most recent crashes on the B4358

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4358 crashes by council area

Of the 124 collisions on the B4358, 121 were in Powys.

Collisions on the B4358 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPowys121167246

Recent crashes on the B4358

These are the 25 most recent collisions on the B4358, from 8 May 2016 to 8 December 2025.

Severity