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CrashStats

B4495 accidents: crash map and statistics

Police recorded 1,461 collisions on the B4495 from 1979 to 2025, with 1,670 casualties. Of those crashes, 6 were fatal and 269 serious, and 6 people were killed.

In 2025 there were 26 collisions on the B4495, up 30% from 20 in 2024, with 26 casualties.

Collisions since 1979
1,461
758th highest of 4,923 roads
Casualties
1,670
1.14 per collision
Fatal collisions
6
6 people killed
Serious collisions
269
286 seriously injured
Collisions in 2025
26
Up 30% on 2024
Casualties in 2025
26
Up 24% on 2024

Crash severity on the B4495

On the B4495, 0.4% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal60.4%
  • Serious26918%
  • Slight1,18681%

Where the B4495 ranks among 4,923 roads

Most collisions
758th
Most casualties
886th
Most fatal collisions
2,299th
Most serious collisions
800th

B4495 accidents by year

Collisions on the B4495 peaked at 48 in 2002 and were down to 26 in 2025.

Collisions and casualties on the B4495, 1979 to 2025

  • Collisions
  • Collisions in 2025: 26
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252626
20242021
20231821
20222324
20212830
20201313
20192426
20181926
20172123
20162632
20153237
20144045
20133538
20123342
20112734
20102326
20092126
20083031
20073040
20063750
20053134
20043538
20033644
20024854
20013240
20004860
19993341
19983844
19972831
19963238
19954042
19943134
19932631
19923536
19911921
19903641
19894046
19883235
19873740
19863335
19854346
19843239
19833136
19823135
19813637
19803338
19793943

When crashes happen on the B4495

Monday has the most collisions on the B4495 (251), and 3pm to 6pm is the busiest time of day (376).

Collisions by day of the week

  • Monday251 (17%)
  • Tuesday210 (14%)
  • Wednesday240 (16%)
  • Thursday241 (16%)
  • Friday246 (17%)
  • Saturday160 (11%)
  • Sunday113 (7.7%)

Collisions by time of day

  • Midnight to 3am42 (2.9%)
  • 3am to 6am15 (1%)
  • 6am to 9am241 (16%)
  • 9am to noon182 (12%)
  • Noon to 3pm229 (16%)
  • 3pm to 6pm376 (26%)
  • 6pm to 9pm249 (17%)
  • 9pm to midnight127 (8.7%)

Collisions by month

  • January118 (8.1%)
  • February122 (8.4%)
  • March118 (8.1%)
  • April90 (6.2%)
  • May97 (6.6%)
  • June113 (7.7%)
  • July123 (8.4%)
  • August98 (6.7%)
  • September129 (8.8%)
  • October152 (10%)
  • November153 (10%)
  • December148 (10%)

Light conditions at the time

  • Daylight1,017 (70%)
  • Dark, street lights lit427 (29%)
  • Dark, lighting unknown9 (0.6%)
  • Dark, street lights unlit3 (0.2%)
  • Not recorded5 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4495 crashes

On the B4495, 91% of collisions happened where the speed limit was 30 mph and 67% on a dry road surface.

Speed limit at the scene

  • 20 mph106 (7.3%)
  • 30 mph1,332 (91%)
  • 40 mph21 (1.4%)
  • Not recorded2 (0.1%)

Weather at the time

  • Fine, no high winds1,161 (79%)
  • Raining, no high winds192 (13%)
  • Raining with high winds20 (1.4%)
  • Fine with high winds14 (1%)
  • Other63 (4.3%)
  • Not recorded11 (0.8%)

Road surface

  • Dry984 (67%)
  • Wet or damp439 (30%)
  • Frost or ice19 (1.3%)
  • Snow6 (0.4%)
  • Flood over 3cm deep1 (0.1%)
  • Not recorded12 (0.8%)

Type of road

  • Single carriageway1,215 (83%)
  • Roundabout197 (13%)
  • Dual carriageway41 (2.8%)
  • One way street or slip road6 (0.4%)
  • Not recorded2 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4495 crashes

Car occupants make up 32% of the people killed or injured on the B4495, followed by cyclists (32%).

Casualties by road user

  • Car occupant541 (32%)
  • Cyclist539 (32%)
  • Motorcyclist293 (18%)
  • Pedestrian220 (13%)
  • Bus or coach occupant31 (1.9%)
  • Van occupant13 (0.8%)
  • Other19 (1.1%)
  • Not recorded14 (0.8%)

Vehicles involved

  • Car1,660 (60%)
  • Pedal cycle556 (20%)
  • Motorcycle319 (11%)
  • Van or goods vehicle up to 3.5 tonnes99 (3.6%)
  • Bus or coach56 (2%)
  • Taxi or private hire car40 (1.4%)
  • Other53 (1.9%)
  • Not recorded4 (0.1%)

Casualties by age

  • 0 to 522 (1.3%)
  • 6 to 1058 (3.5%)
  • 11 to 15121 (7.2%)
  • 16 to 20268 (16%)
  • 21 to 25210 (13%)
  • 26 to 35338 (20%)
  • 36 to 45236 (14%)
  • 46 to 55147 (8.8%)
  • 56 to 6594 (5.6%)
  • 66 to 7566 (4%)
  • Over 7543 (2.6%)
  • Not recorded67 (4%)

Drivers, passengers and pedestrians

  • Driver or rider1,212 (73%)
  • Passenger238 (14%)
  • Pedestrian220 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4495

Map of the 25 most recent crashes on the B4495

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

  • 25 crashes
  • Serious
  • Slight

B4495 crashes by council area

Collisions on the B4495 were recorded in 2 council areas. Oxford has the most, with 1,439, followed by South Oxfordshire (20).

Collisions on the B4495 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stOxford1,4391,6466262
2ndSouth Oxfordshire202207

B4495 crashes by town

Of the 1,461 collisions on the B4495, 1,424 were in the built-up area of Oxford.

Recent crashes on the B4495

These are the 25 most recent collisions on the B4495, from 10 February to 20 December 2025.

Severity