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CrashStats

B258 accidents: crash map and statistics

Police recorded 749 collisions on the B258 from 1979 to 2025, with 967 casualties. Of those crashes, 5 were fatal and 135 serious, and 5 people were killed.

In 2025 there were 10 collisions on the B258, up 11% from 9 in 2024, with 10 casualties.

Collisions since 1979
749
1,424th highest of 4,923 roads
Casualties
967
1.29 per collision
Fatal collisions
5
5 people killed
Serious collisions
135
154 seriously injured
Collisions in 2025
10
Up 11% on 2024
Casualties in 2025
10
Down 17% on 2024

Crash severity on the B258

On the B258, 0.7% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal50.7%
  • Serious13518%
  • Slight60981%

Where the B258 ranks among 4,923 roads

Most collisions
1,424th
Most casualties
1,476th
Most fatal collisions
2,545th
Most serious collisions
1,494th

B258 accidents by year

Collisions on the B258 peaked at 31 in 1989 and were down to 10 in 2025.

Collisions and casualties on the B258, 1979 to 2025

  • Collisions
  • Collisions in 2025: 10
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251010
2024912
202399
202233
2021715
202045
2019712
2018716
201756
20161622
2015911
20141011
20131215
20121627
20111114
20101525
20091718
20081823
20071618
200699
20051319
20041314
20032123
20021923
20012126
20002327
19992334
19982837
19971619
19961521
19951618
19942021
19932032
19922126
19912632
19901617
19893137
19882431
19871717
19862023
19851823
19841931
19832025
19821621
19812940
19801924
19791525

When crashes happen on the B258

Friday has the most collisions on the B258 (132), and 3pm to 6pm is the busiest time of day (168).

Collisions by day of the week

  • Monday94 (13%)
  • Tuesday112 (15%)
  • Wednesday106 (14%)
  • Thursday106 (14%)
  • Friday132 (18%)
  • Saturday117 (16%)
  • Sunday82 (11%)

Collisions by time of day

  • Midnight to 3am29 (3.9%)
  • 3am to 6am14 (1.9%)
  • 6am to 9am96 (13%)
  • 9am to noon82 (11%)
  • Noon to 3pm126 (17%)
  • 3pm to 6pm168 (22%)
  • 6pm to 9pm160 (21%)
  • 9pm to midnight74 (9.9%)

Collisions by month

  • January64 (8.5%)
  • February57 (7.6%)
  • March61 (8.1%)
  • April55 (7.3%)
  • May50 (6.7%)
  • June56 (7.5%)
  • July57 (7.6%)
  • August49 (6.5%)
  • September69 (9.2%)
  • October83 (11%)
  • November72 (9.6%)
  • December76 (10%)

Light conditions at the time

  • Daylight495 (66%)
  • Dark, street lights lit200 (27%)
  • Dark, no street lighting35 (4.7%)
  • Dark, lighting unknown10 (1.3%)
  • Dark, street lights unlit9 (1.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B258 crashes

On the B258, 89% of collisions happened where the speed limit was 30 mph and 66% on a dry road surface.

Speed limit at the scene

  • 20 mph4 (0.5%)
  • 30 mph667 (89%)
  • 40 mph33 (4.4%)
  • 60 mph43 (5.7%)
  • 70 mph2 (0.3%)

Weather at the time

  • Fine, no high winds562 (75%)
  • Raining, no high winds104 (14%)
  • Fine with high winds6 (0.8%)
  • Fog or mist6 (0.8%)
  • Other50 (6.7%)
  • Not recorded21 (2.8%)

Road surface

  • Dry495 (66%)
  • Wet or damp238 (32%)
  • Frost or ice12 (1.6%)
  • Flood over 3cm deep3 (0.4%)
  • Snow1 (0.1%)

Type of road

  • Single carriageway631 (84%)
  • Roundabout80 (11%)
  • Dual carriageway12 (1.6%)
  • One way street or slip road3 (0.4%)
  • Not recorded23 (3.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B258 crashes

Car occupants make up 61% of the people killed or injured on the B258, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant588 (61%)
  • Motorcyclist128 (13%)
  • Pedestrian123 (13%)
  • Cyclist74 (7.7%)
  • Van occupant22 (2.3%)
  • Bus or coach occupant19 (2%)
  • Taxi or private hire car occupant7 (0.7%)
  • Other6 (0.6%)

Vehicles involved

  • Car1,050 (77%)
  • Motorcycle125 (9.1%)
  • Pedal cycle74 (5.4%)
  • Van or goods vehicle up to 3.5 tonnes58 (4.2%)
  • Bus or coach32 (2.3%)
  • Goods vehicle over 3.5 tonnes14 (1%)
  • Other vehicle7 (0.5%)
  • Other10 (0.7%)

Casualties by age

  • 0 to 518 (1.9%)
  • 6 to 1027 (2.8%)
  • 11 to 1573 (7.5%)
  • 16 to 20241 (25%)
  • 21 to 25111 (11%)
  • 26 to 35141 (15%)
  • 36 to 45117 (12%)
  • 46 to 55106 (11%)
  • 56 to 6564 (6.6%)
  • 66 to 7527 (2.8%)
  • Over 7524 (2.5%)
  • Not recorded18 (1.9%)

Drivers, passengers and pedestrians

  • Driver or rider621 (64%)
  • Passenger223 (23%)
  • Pedestrian123 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B258

Map of the 25 most recent crashes on the B258

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

  • 25 crashes
  • Serious
  • Slight

B258 crashes by council area

Collisions on the B258 were recorded in 3 council areas. Sevenoaks has the most, with 465, followed by Bromley (162) and Dartford (122).

Collisions on the B258 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSevenoaks465600287
2ndBromley162215126
3rdDartford122152222

B258 crashes by town

Collisions on the B258 were recorded in 4 towns and built-up areas, led by Swanley (236) and Hextable (139).

Recent crashes on the B258

These are the 25 most recent collisions on the B258, from 27 March 2023 to 26 November 2025.

Severity