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CrashStats

B4390 accidents: crash map and statistics

Police recorded 46 collisions on the B4390 from 1979 to 2025, with 66 casualties. Of those crashes, none were fatal and 16 were serious.

In 2025 there was 1 collision on the B4390, up from none in 2024, with 2 casualties.

Collisions since 1979
46
4,653rd highest of 4,923 roads
Casualties
66
1.43 per collision
Fatal collisions
0
No one killed
Serious collisions
16
23 seriously injured
Collisions in 2025
1
Up from none in 2024
Casualties in 2025
2
Up from none in 2024

Crash severity on the B4390

None of the 46 collisions on the B4390 were fatal, and 35% were serious (18% across Great Britain).

Collisions by severity, 1979 to 2025

  • Fatal00%
  • Serious1635%
  • Slight3065%

Where the B4390 ranks among 4,923 roads

Most collisions
4,653rd
Most casualties
4,623rd
Most fatal collisions
4,444th
Most serious collisions
4,250th

B4390 accidents by year

Collisions on the B4390 peaked at 3 in 1984 and were down to 1 in 2025.

Collisions and casualties on the B4390, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202512
202400
202322
202222
202111
202011
201900
201811
201700
201611
201500
201412
201311
201200
201100
201011
200923
200811
200700
200600
200500
200411
200311
200223
200124
200022
199924
199812
199711
199600
199500
199400
199300
199211
199112
199011
198913
198823
198725
198611
198511
198434
198300
198211
198100
198035
197923

When crashes happen on the B4390

Tuesday has the most collisions on the B4390 (11), and 3pm to 6pm is the busiest time of day (10).

Collisions by day of the week

  • Monday5 (11%)
  • Tuesday11 (24%)
  • Wednesday3 (6.5%)
  • Thursday8 (17%)
  • Friday8 (17%)
  • Saturday7 (15%)
  • Sunday4 (8.7%)

Collisions by time of day

  • Midnight to 3am8 (17%)
  • 3am to 6am0 (0%)
  • 6am to 9am8 (17%)
  • 9am to noon8 (17%)
  • Noon to 3pm3 (6.5%)
  • 3pm to 6pm10 (22%)
  • 6pm to 9pm5 (11%)
  • 9pm to midnight4 (8.7%)

Collisions by month

  • January2 (4.3%)
  • February1 (2.2%)
  • March1 (2.2%)
  • April3 (6.5%)
  • May3 (6.5%)
  • June5 (11%)
  • July5 (11%)
  • August7 (15%)
  • September2 (4.3%)
  • October8 (17%)
  • November5 (11%)
  • December4 (8.7%)

Light conditions at the time

  • Daylight30 (65%)
  • Dark, no street lighting13 (28%)
  • Dark, street lights lit2 (4.3%)
  • Dark, street lights unlit1 (2.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4390 crashes

On the B4390, 83% of collisions happened where the speed limit was 60 mph and 52% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (2.2%)
  • 30 mph7 (15%)
  • 60 mph38 (83%)

Weather at the time

  • Fine, no high winds31 (67%)
  • Raining, no high winds10 (22%)
  • Fine with high winds2 (4.3%)
  • Raining with high winds1 (2.2%)
  • Snowing, no high winds1 (2.2%)
  • Not recorded1 (2.2%)

Road surface

  • Dry24 (52%)
  • Wet or damp19 (41%)
  • Frost or ice3 (6.5%)

Type of road

  • Single carriageway46 (100%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4390 crashes

Car occupants make up 70% of the people killed or injured on the B4390, followed by motorcyclists (7.6%).

Casualties by road user

  • Car occupant46 (70%)
  • Motorcyclist5 (7.6%)
  • Pedestrian5 (7.6%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (6.1%)
  • Other vehicle occupant3 (4.5%)
  • Cyclist1 (1.5%)
  • Mobility scooter rider1 (1.5%)
  • Van occupant1 (1.5%)

Vehicles involved

  • Car43 (65%)
  • Goods vehicle over 3.5 tonnes7 (11%)
  • Other vehicle4 (6.1%)
  • Motorcycle3 (4.5%)
  • Van or goods vehicle up to 3.5 tonnes3 (4.5%)
  • Agricultural vehicle2 (3%)
  • Bus or coach2 (3%)
  • Other2 (3%)

Casualties by age

  • 11 to 152 (3%)
  • 16 to 2024 (36%)
  • 21 to 257 (11%)
  • 26 to 3511 (17%)
  • 36 to 456 (9.1%)
  • 46 to 554 (6.1%)
  • 56 to 656 (9.1%)
  • 66 to 755 (7.6%)
  • Over 751 (1.5%)

Drivers, passengers and pedestrians

  • Driver or rider36 (55%)
  • Passenger25 (38%)
  • Pedestrian5 (7.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4390

Map of the 25 most recent crashes on the B4390

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

  • 25 crashes
  • Serious
  • Slight

B4390 crashes by council area

All 46 collisions on the B4390 were in Powys.

Collisions on the B4390 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPowys4666016

Recent crashes on the B4390

These are the 25 most recent collisions on the B4390, from 3 August 1999 to 6 June 2025.

Severity