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CrashStats

B4150 accidents: crash map and statistics

Police recorded 307 collisions on the B4150 from 1989 to 2025, with 403 casualties. Of those crashes, 3 were fatal and 36 serious, and 3 people were killed.

In 2025 there were 5 collisions on the B4150, level with 2024, with 7 casualties.

Collisions since 1989
307
2,655th highest of 4,923 roads
Casualties
403
1.31 per collision
Fatal collisions
3
3 people killed
Serious collisions
36
38 seriously injured
Collisions in 2025
5
Level with 2024
Casualties in 2025
7
Up 40% on 2024

Crash severity on the B4150

On the B4150, 1% of collisions were fatal and 12% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1989 to 2025

  • Fatal31%
  • Serious3612%
  • Slight26887%

Where the B4150 ranks among 4,923 roads

Most collisions
2,655th
Most casualties
2,713th
Most fatal collisions
3,114th
Most serious collisions
3,408th

B4150 accidents by year

Collisions on the B4150 peaked at 20 in 1997 and were down to 5 in 2025.

Collisions and casualties on the B4150, 1989 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202557
202455
202322
202233
20211013
202078
201946
2018912
2017911
201623
2015911
201479
201323
201278
2011919
20101013
2009611
20081215
200768
2006712
20051416
20041214
2003813
20021011
20011221
200088
19991418
19981011
19972026
19961315
1995911
199468
19931116
199245
19911215
1990910
198946

When crashes happen on the B4150

Wednesday has the most collisions on the B4150 (51), and 3pm to 6pm is the busiest time of day (70).

Collisions by day of the week

  • Monday38 (12%)
  • Tuesday44 (14%)
  • Wednesday51 (17%)
  • Thursday45 (15%)
  • Friday50 (16%)
  • Saturday42 (14%)
  • Sunday37 (12%)

Collisions by time of day

  • Midnight to 3am7 (2.3%)
  • 3am to 6am4 (1.3%)
  • 6am to 9am48 (16%)
  • 9am to noon47 (15%)
  • Noon to 3pm56 (18%)
  • 3pm to 6pm70 (23%)
  • 6pm to 9pm48 (16%)
  • 9pm to midnight27 (8.8%)

Collisions by month

  • January22 (7.2%)
  • February18 (5.9%)
  • March16 (5.2%)
  • April29 (9.4%)
  • May34 (11%)
  • June28 (9.1%)
  • July26 (8.5%)
  • August18 (5.9%)
  • September25 (8.1%)
  • October27 (8.8%)
  • November35 (11%)
  • December29 (9.4%)

Light conditions at the time

  • Daylight231 (75%)
  • Dark, street lights lit55 (18%)
  • Dark, no street lighting18 (5.9%)
  • Dark, street lights unlit2 (0.7%)
  • Dark, lighting unknown1 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4150 crashes

On the B4150, 72% of collisions happened where the speed limit was 30 mph and 65% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (0.7%)
  • 30 mph220 (72%)
  • 40 mph43 (14%)
  • 50 mph1 (0.3%)
  • 60 mph40 (13%)
  • Not recorded1 (0.3%)

Weather at the time

  • Fine, no high winds246 (80%)
  • Raining, no high winds41 (13%)
  • Fog or mist3 (1%)
  • Fine with high winds2 (0.7%)
  • Other12 (3.9%)
  • Not recorded3 (1%)

Road surface

  • Dry201 (65%)
  • Wet or damp98 (32%)
  • Frost or ice2 (0.7%)
  • Snow1 (0.3%)
  • Not recorded5 (1.6%)

Type of road

  • Single carriageway292 (95%)
  • One way street or slip road6 (2%)
  • Roundabout5 (1.6%)
  • Dual carriageway4 (1.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4150 crashes

Car occupants make up 59% of the people killed or injured on the B4150, followed by cyclists (18%).

Casualties by road user

  • Car occupant238 (59%)
  • Cyclist74 (18%)
  • Motorcyclist39 (9.7%)
  • Pedestrian31 (7.7%)
  • Bus or coach occupant6 (1.5%)
  • Van occupant6 (1.5%)
  • Taxi or private hire car occupant5 (1.2%)
  • Other4 (1%)

Vehicles involved

  • Car438 (72%)
  • Pedal cycle75 (12%)
  • Motorcycle42 (6.9%)
  • Van or goods vehicle up to 3.5 tonnes23 (3.8%)
  • Bus or coach11 (1.8%)
  • Taxi or private hire car8 (1.3%)
  • Goods vehicle over 3.5 tonnes5 (0.8%)
  • Other4 (0.7%)

Casualties by age

  • 0 to 56 (1.5%)
  • 6 to 106 (1.5%)
  • 11 to 1523 (5.7%)
  • 16 to 2045 (11%)
  • 21 to 2561 (15%)
  • 26 to 35103 (26%)
  • 36 to 4559 (15%)
  • 46 to 5542 (10%)
  • 56 to 6521 (5.2%)
  • 66 to 7513 (3.2%)
  • Over 7517 (4.2%)
  • Not recorded7 (1.7%)

Drivers, passengers and pedestrians

  • Driver or rider298 (74%)
  • Passenger74 (18%)
  • Pedestrian31 (7.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4150

Map of the 25 most recent crashes on the B4150

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

  • 25 crashes
  • Serious
  • Slight

B4150 crashes by council area

Collisions on the B4150 were recorded in 2 council areas. Oxford has the most, with 302, followed by South Oxfordshire (4).

Collisions on the B4150 in each area, 1989 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stOxford302396336
2ndSouth Oxfordshire4600

B4150 crashes by town

Of the 307 collisions on the B4150, 163 were in the built-up area of Oxford.

Recent crashes on the B4150

These are the 25 most recent collisions on the B4150, from 20 January 2021 to 10 October 2025.

Severity