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CrashStats

B323 accidents: crash map and statistics

Police recorded 712 collisions on the B323 from 1979 to 2025, with 771 casualties. Of those crashes, 2 were fatal and 115 serious, and 2 people were killed.

In 2025 there were 6 collisions on the B323, down 33% from 9 in 2024, with 9 casualties.

Collisions since 1979
712
1,481st highest of 4,923 roads
Casualties
771
1.08 per collision
Fatal collisions
2
2 people killed
Serious collisions
115
118 seriously injured
Collisions in 2025
6
Down 33% on 2024
Casualties in 2025
9
Level with 2024

Crash severity on the B323

On the B323, 0.3% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal20.3%
  • Serious11516%
  • Slight59584%

Where the B323 ranks among 4,923 roads

Most collisions
1,481st
Most casualties
1,783rd
Most fatal collisions
3,485th
Most serious collisions
1,700th

B323 accidents by year

Collisions on the B323 peaked at 27 in 1980 and were down to 6 in 2025.

Collisions and casualties on the B323, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202569
202499
202366
202266
20211111
20201112
20191617
201899
20172123
20161313
20151010
20141919
20131112
201299
20111313
20101214
20091517
200888
200799
20061213
20051010
20041618
200399
20022121
20011921
20001315
19991724
19981921
19971113
19961920
19951616
19941414
19931818
19921818
19911519
19902122
19892427
19881921
19872023
19861923
19852023
19842223
19832225
19822222
19811820
19802727
19791719

When crashes happen on the B323

Tuesday has the most collisions on the B323 (153), and 9am to noon is the busiest time of day (164).

Collisions by day of the week

  • Monday109 (15%)
  • Tuesday153 (21%)
  • Wednesday132 (19%)
  • Thursday123 (17%)
  • Friday127 (18%)
  • Saturday41 (5.8%)
  • Sunday27 (3.8%)

Collisions by time of day

  • Midnight to 3am11 (1.5%)
  • 3am to 6am10 (1.4%)
  • 6am to 9am102 (14%)
  • 9am to noon164 (23%)
  • Noon to 3pm150 (21%)
  • 3pm to 6pm136 (19%)
  • 6pm to 9pm98 (14%)
  • 9pm to midnight41 (5.8%)

Collisions by month

  • January52 (7.3%)
  • February61 (8.6%)
  • March58 (8.1%)
  • April52 (7.3%)
  • May60 (8.4%)
  • June66 (9.3%)
  • July77 (11%)
  • August56 (7.9%)
  • September53 (7.4%)
  • October62 (8.7%)
  • November62 (8.7%)
  • December53 (7.4%)

Light conditions at the time

  • Daylight563 (79%)
  • Dark, street lights lit143 (20%)
  • Dark, lighting unknown4 (0.6%)
  • Dark, no street lighting2 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B323 crashes

On the B323, 94% of collisions happened where the speed limit was 30 mph and 81% on a dry road surface.

Speed limit at the scene

  • 20 mph39 (5.5%)
  • 30 mph668 (94%)
  • 40 mph2 (0.3%)
  • 60 mph3 (0.4%)

Weather at the time

  • Fine, no high winds556 (78%)
  • Raining, no high winds77 (11%)
  • Fine with high winds7 (1%)
  • Snowing, no high winds5 (0.7%)
  • Other61 (8.6%)
  • Not recorded6 (0.8%)

Road surface

  • Dry576 (81%)
  • Wet or damp128 (18%)
  • Snow3 (0.4%)
  • Oil or diesel1 (0.1%)
  • Not recorded4 (0.6%)

Type of road

  • Single carriageway570 (80%)
  • Roundabout59 (8.3%)
  • One way street or slip road26 (3.7%)
  • Dual carriageway16 (2.2%)
  • Not recorded41 (5.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B323 crashes

Pedestrians make up 33% of the people killed or injured on the B323, followed by motorcyclists (22%).

Casualties by road user

  • Pedestrian256 (33%)
  • Motorcyclist171 (22%)
  • Cyclist152 (20%)
  • Car occupant120 (16%)
  • Bus or coach occupant36 (4.7%)
  • Taxi or private hire car occupant17 (2.2%)
  • Other18 (2.3%)
  • Not recorded1 (0.1%)

Vehicles involved

  • Car483 (43%)
  • Motorcycle213 (19%)
  • Pedal cycle158 (14%)
  • Taxi or private hire car93 (8.3%)
  • Van or goods vehicle up to 3.5 tonnes88 (7.8%)
  • Bus or coach54 (4.8%)
  • Goods vehicle over 3.5 tonnes24 (2.1%)
  • Other13 (1.2%)

Casualties by age

  • 0 to 53 (0.4%)
  • 6 to 1010 (1.3%)
  • 11 to 1516 (2.1%)
  • 16 to 2053 (6.9%)
  • 21 to 25117 (15%)
  • 26 to 35192 (25%)
  • 36 to 45145 (19%)
  • 46 to 5598 (13%)
  • 56 to 6549 (6.4%)
  • 66 to 7524 (3.1%)
  • Over 7518 (2.3%)
  • Not recorded46 (6%)

Drivers, passengers and pedestrians

  • Driver or rider413 (54%)
  • Pedestrian256 (33%)
  • Passenger102 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B323

Map of the 25 most recent crashes on the B323

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

  • 25 crashes
  • Serious
  • Slight

B323 crashes by council area

Of the 712 collisions on the B323, 701 were in Westminster.

Collisions on the B323 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWestminster7017592113

B323 crashes by town

Of the 712 collisions on the B323, 630 were in the built-up area of City of Westminster.

Recent crashes on the B323

These are the 25 most recent collisions on the B323, from 4 October 2022 to 6 September 2025.

Severity