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CrashStats

B480 accidents: crash map and statistics

Collisions since 1979
2,694
434th highest of 4,923 roads
Casualties
3,306
1.23 per collision
Fatal collisions
43
45 people killed
Serious collisions
542
604 seriously injured
Collisions in 2025
30
Up 36% on 2024
Casualties in 2025
33
Up 32% on 2024

Crash severity on the B480

On the B480, 1.6% of collisions were fatal and 20% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal431.6%
  • Serious54220%
  • Slight2,10978%

Where the B480 ranks among 4,923 roads

Most collisions
434th
Most casualties
487th
Most fatal collisions
488th
Most serious collisions
381st

B480 accidents by year

Collisions on the B480 peaked at 86 in 1986 and were down to 30 in 2025.

Collisions and casualties on the B480, 1979 to 2025

  • Collisions
  • Collisions in 2025: 30
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253033
20242225
20233035
20223034
20213136
20202124
20193742
20183538
20173136
20165579
20154756
20146069
20134454
20124447
20115777
20103845
20094455
20084958
20076279
20064860
20055872
20046775
20036679
20027991
20016998
20006782
199981106
19984960
19976682
19966580
19956893
19947087
19934964
19926884
19915774
19906879
198982107
19886478
19876875
19868697
198582131
19848190
19837389
19828397
19817289
19807380
19796885

When crashes happen on the B480

Friday has the most collisions on the B480 (461), and 3pm to 6pm is the busiest time of day (661).

Collisions by day of the week

  • Monday381 (14%)
  • Tuesday397 (15%)
  • Wednesday429 (16%)
  • Thursday423 (16%)
  • Friday461 (17%)
  • Saturday327 (12%)
  • Sunday276 (10%)

Collisions by time of day

  • Midnight to 3am126 (4.7%)
  • 3am to 6am56 (2.1%)
  • 6am to 9am324 (12%)
  • 9am to noon348 (13%)
  • Noon to 3pm437 (16%)
  • 3pm to 6pm661 (25%)
  • 6pm to 9pm442 (16%)
  • 9pm to midnight300 (11%)

Collisions by month

  • January214 (7.9%)
  • February205 (7.6%)
  • March206 (7.6%)
  • April185 (6.9%)
  • May226 (8.4%)
  • June224 (8.3%)
  • July220 (8.2%)
  • August214 (7.9%)
  • September232 (8.6%)
  • October264 (9.8%)
  • November281 (10%)
  • December223 (8.3%)

Light conditions at the time

  • Daylight1,783 (66%)
  • Dark, street lights lit675 (25%)
  • Dark, no street lighting200 (7.4%)
  • Dark, lighting unknown22 (0.8%)
  • Dark, street lights unlit8 (0.3%)
  • Not recorded6 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B480 crashes

On the B480, 71% of collisions happened where the speed limit was 30 mph and 68% on a dry road surface.

Speed limit at the scene

  • 20 mph259 (9.6%)
  • 30 mph1,910 (71%)
  • 40 mph26 (1%)
  • 50 mph77 (2.9%)
  • 60 mph420 (16%)
  • 70 mph1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,180 (81%)
  • Raining, no high winds307 (11%)
  • Fine with high winds34 (1.3%)
  • Raining with high winds34 (1.3%)
  • Other121 (4.5%)
  • Not recorded18 (0.7%)

Road surface

  • Dry1,834 (68%)
  • Wet or damp782 (29%)
  • Frost or ice49 (1.8%)
  • Snow11 (0.4%)
  • Other7 (0.3%)
  • Not recorded11 (0.4%)

Type of road

  • Single carriageway2,549 (95%)
  • Roundabout93 (3.5%)
  • Dual carriageway36 (1.3%)
  • One way street or slip road10 (0.4%)
  • Not recorded6 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B480 crashes

Car occupants make up 37% of the people killed or injured on the B480, followed by cyclists (25%).

Casualties by road user

  • Car occupant1,222 (37%)
  • Cyclist835 (25%)
  • Motorcyclist547 (17%)
  • Pedestrian420 (13%)
  • Bus or coach occupant172 (5.2%)
  • Van occupant40 (1.2%)
  • Other63 (1.9%)
  • Not recorded7 (0.2%)

Vehicles involved

  • Car2,890 (58%)
  • Pedal cycle880 (18%)
  • Motorcycle588 (12%)
  • Bus or coach205 (4.1%)
  • Van or goods vehicle up to 3.5 tonnes200 (4%)
  • Goods vehicle over 3.5 tonnes94 (1.9%)
  • Other147 (2.9%)
  • Not recorded12 (0.2%)

Casualties by age

  • 0 to 549 (1.5%)
  • 6 to 1073 (2.2%)
  • 11 to 15167 (5.1%)
  • 16 to 20648 (20%)
  • 21 to 25518 (16%)
  • 26 to 35677 (20%)
  • 36 to 45394 (12%)
  • 46 to 55291 (8.8%)
  • 56 to 65198 (6%)
  • 66 to 7599 (3%)
  • Over 7561 (1.8%)
  • Not recorded131 (4%)

Drivers, passengers and pedestrians

  • Driver or rider2,274 (69%)
  • Passenger612 (19%)
  • Pedestrian420 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B480

Map of the 25 most recent crashes on the B480

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

  • 25 crashes
  • Serious
  • Slight

B480 crashes by council area

Collisions on the B480 were recorded in 2 council areas. Oxford has the most, with 2,082, followed by South Oxfordshire (612).

Collisions on the B480 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stOxford2,0822,37618369
2ndSouth Oxfordshire61293025173

B480 crashes by town

Collisions on the B480 were recorded in 2 towns and built-up areas, led by Oxford (2,076) and Watlington, South Oxfordshire (51).

Recent crashes on the B480

These are the 25 most recent collisions on the B480, from 21 March to 27 December 2025.

Severity