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CrashStats

B350 accidents: crash map and statistics

Police recorded 208 collisions on the B350 from 1979 to 2025, with 241 casualties. Of those crashes, 2 were fatal and 38 serious, and 2 people were killed.

In 2025 there were 4 collisions on the B350, up 300% from 1 in 2024, with 5 casualties.

Collisions since 1979
208
3,194th highest of 4,923 roads
Casualties
241
1.16 per collision
Fatal collisions
2
2 people killed
Serious collisions
38
39 seriously injured
Collisions in 2025
4
Up 300% on 2024
Casualties in 2025
5
Up 400% on 2024

Crash severity on the B350

On the B350, 1% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal21%
  • Serious3818%
  • Slight16881%

Where the B350 ranks among 4,923 roads

Most collisions
3,194th
Most casualties
3,392nd
Most fatal collisions
3,485th
Most serious collisions
3,345th

B350 accidents by year

Collisions on the B350 peaked at 13 in 1991 and were down to 4 in 2025.

Collisions and casualties on the B350, 1979 to 2025

  • Collisions
  • Collisions in 2025: 4
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202545
202411
202333
202222
202111
202033
201912
201844
201746
201611
201511
201457
201366
201222
201122
201056
200900
200822
200733
200666
200523
2004713
200323
200266
200166
200055
199945
199833
199733
199633
199522
199478
199366
1992810
19911315
1990810
1989810
198888
198734
198699
198557
198455
198377
198246
198155
198067
197979

When crashes happen on the B350

Thursday has the most collisions on the B350 (44), and 3pm to 6pm is the busiest time of day (43).

Collisions by day of the week

  • Monday26 (13%)
  • Tuesday36 (17%)
  • Wednesday29 (14%)
  • Thursday44 (21%)
  • Friday27 (13%)
  • Saturday24 (12%)
  • Sunday22 (11%)

Collisions by time of day

  • Midnight to 3am11 (5.3%)
  • 3am to 6am1 (0.5%)
  • 6am to 9am40 (19%)
  • 9am to noon27 (13%)
  • Noon to 3pm35 (17%)
  • 3pm to 6pm43 (21%)
  • 6pm to 9pm29 (14%)
  • 9pm to midnight22 (11%)

Collisions by month

  • January25 (12%)
  • February15 (7.2%)
  • March15 (7.2%)
  • April19 (9.1%)
  • May17 (8.2%)
  • June19 (9.1%)
  • July14 (6.7%)
  • August20 (9.6%)
  • September11 (5.3%)
  • October17 (8.2%)
  • November18 (8.7%)
  • December18 (8.7%)

Light conditions at the time

  • Daylight156 (75%)
  • Dark, street lights lit50 (24%)
  • Dark, lighting unknown1 (0.5%)
  • Dark, street lights unlit1 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B350 crashes

On the B350, 95% of collisions happened where the speed limit was 30 mph and 72% on a dry road surface.

Speed limit at the scene

  • 20 mph10 (4.8%)
  • 30 mph197 (95%)
  • 60 mph1 (0.5%)

Weather at the time

  • Fine, no high winds158 (76%)
  • Raining, no high winds24 (12%)
  • Fog or mist1 (0.5%)
  • Raining with high winds1 (0.5%)
  • Other18 (8.7%)
  • Not recorded6 (2.9%)

Road surface

  • Dry150 (72%)
  • Wet or damp54 (26%)
  • Snow2 (1%)
  • Frost or ice1 (0.5%)
  • Not recorded1 (0.5%)

Type of road

  • Single carriageway188 (90%)
  • Dual carriageway3 (1.4%)
  • Roundabout2 (1%)
  • One way street or slip road1 (0.5%)
  • Not recorded14 (6.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B350 crashes

Car occupants make up 44% of the people killed or injured on the B350, followed by cyclists (22%).

Casualties by road user

  • Car occupant105 (44%)
  • Cyclist54 (22%)
  • Motorcyclist49 (20%)
  • Pedestrian24 (10%)
  • Bus or coach occupant3 (1.2%)
  • Taxi or private hire car occupant3 (1.2%)
  • Van occupant2 (0.8%)
  • Not recorded1 (0.4%)

Vehicles involved

  • Car253 (65%)
  • Pedal cycle59 (15%)
  • Motorcycle50 (13%)
  • Van or goods vehicle up to 3.5 tonnes11 (2.8%)
  • Bus or coach8 (2%)
  • Goods vehicle over 3.5 tonnes4 (1%)
  • Taxi or private hire car4 (1%)
  • Other3 (0.8%)

Casualties by age

  • 0 to 53 (1.2%)
  • 6 to 105 (2.1%)
  • 11 to 1519 (7.9%)
  • 16 to 2026 (11%)
  • 21 to 2522 (9.1%)
  • 26 to 3553 (22%)
  • 36 to 4534 (14%)
  • 46 to 5525 (10%)
  • 56 to 6515 (6.2%)
  • 66 to 7513 (5.4%)
  • Over 7512 (5%)
  • Not recorded14 (5.8%)

Drivers, passengers and pedestrians

  • Driver or rider181 (75%)
  • Passenger36 (15%)
  • Pedestrian24 (10%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B350

Map of the 25 most recent crashes on the B350

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

  • 25 crashes
  • Serious
  • Slight

B350 crashes by council area

Of the 208 collisions on the B350, 207 were in Richmond upon Thames.

Collisions on the B350 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stRichmond upon Thames207240238

B350 crashes by town

Of the 208 collisions on the B350, 150 were in the built-up area of Richmond upon Thames.

Recent crashes on the B350

These are the 25 most recent collisions on the B350, from 3 November 2015 to 9 November 2025.

Severity