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CrashStats

B4016 accidents: crash map and statistics

Police recorded 501 collisions on the B4016 from 1979 to 2025, with 668 casualties. Of those crashes, 11 were fatal and 103 serious, and 11 people were killed.

In 2025 there were 3 collisions on the B4016, down 50% from 6 in 2024, with 3 casualties.

Collisions since 1979
501
1,966th highest of 4,923 roads
Casualties
668
1.33 per collision
Fatal collisions
11
11 people killed
Serious collisions
103
130 seriously injured
Collisions in 2025
3
Down 50% on 2024
Casualties in 2025
3
Down 57% on 2024

Crash severity on the B4016

On the B4016, 2.2% of collisions were fatal and 21% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal112.2%
  • Serious10321%
  • Slight38777%

Where the B4016 ranks among 4,923 roads

Most collisions
1,966th
Most casualties
1,988th
Most fatal collisions
1,595th
Most serious collisions
1,865th

B4016 accidents by year

Collisions on the B4016 peaked at 20 in 2004 and were down to 3 in 2025.

Collisions and casualties on the B4016, 1979 to 2025

  • Collisions
  • Collisions in 2025: 3
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202533
202467
202333
202244
202144
202079
201933
201846
20171114
20161318
20151425
2014811
20131114
2012911
2011810
201067
20091013
2008813
200799
20061628
20051013
20042027
20031313
2002911
20011825
20001112
19991120
19981314
19971420
19961824
19951315
19941117
19931417
19921416
199199
19901215
19891527
19881011
19871215
19861213
19851114
1984810
19831725
19821016
1981810
19801117
19792030

When crashes happen on the B4016

Tuesday has the most collisions on the B4016 (85), and 3pm to 6pm is the busiest time of day (127).

Collisions by day of the week

  • Monday62 (12%)
  • Tuesday85 (17%)
  • Wednesday75 (15%)
  • Thursday71 (14%)
  • Friday69 (14%)
  • Saturday80 (16%)
  • Sunday59 (12%)

Collisions by time of day

  • Midnight to 3am21 (4.2%)
  • 3am to 6am6 (1.2%)
  • 6am to 9am80 (16%)
  • 9am to noon60 (12%)
  • Noon to 3pm77 (15%)
  • 3pm to 6pm127 (25%)
  • 6pm to 9pm84 (17%)
  • 9pm to midnight46 (9.2%)

Collisions by month

  • January31 (6.2%)
  • February39 (7.8%)
  • March36 (7.2%)
  • April35 (7%)
  • May53 (11%)
  • June38 (7.6%)
  • July42 (8.4%)
  • August53 (11%)
  • September34 (6.8%)
  • October47 (9.4%)
  • November46 (9.2%)
  • December47 (9.4%)

Light conditions at the time

  • Daylight358 (71%)
  • Dark, no street lighting83 (17%)
  • Dark, street lights lit52 (10%)
  • Dark, lighting unknown5 (1%)
  • Dark, street lights unlit3 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4016 crashes

On the B4016, 45% of collisions happened where the speed limit was 30 mph and 65% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph226 (45%)
  • 40 mph85 (17%)
  • 50 mph1 (0.2%)
  • 60 mph188 (38%)

Weather at the time

  • Fine, no high winds392 (78%)
  • Raining, no high winds58 (12%)
  • Raining with high winds10 (2%)
  • Fine with high winds7 (1.4%)
  • Other32 (6.4%)
  • Not recorded2 (0.4%)

Road surface

  • Dry327 (65%)
  • Wet or damp156 (31%)
  • Frost or ice14 (2.8%)
  • Snow3 (0.6%)
  • Flood over 3cm deep1 (0.2%)

Type of road

  • Single carriageway477 (95%)
  • Roundabout22 (4.4%)
  • Dual carriageway2 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4016 crashes

Car occupants make up 65% of the people killed or injured on the B4016, followed by motorcyclists (16%).

Casualties by road user

  • Car occupant431 (65%)
  • Motorcyclist106 (16%)
  • Cyclist63 (9.4%)
  • Pedestrian47 (7%)
  • Van occupant12 (1.8%)
  • Other vehicle occupant5 (0.7%)
  • Bus or coach occupant3 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.1%)

Vehicles involved

  • Car654 (70%)
  • Motorcycle112 (12%)
  • Pedal cycle67 (7.2%)
  • Van or goods vehicle up to 3.5 tonnes49 (5.3%)
  • Goods vehicle over 3.5 tonnes19 (2%)
  • Other vehicle12 (1.3%)
  • Other13 (1.4%)
  • Not recorded2 (0.2%)

Casualties by age

  • 0 to 512 (1.8%)
  • 6 to 1025 (3.7%)
  • 11 to 1539 (5.8%)
  • 16 to 20158 (24%)
  • 21 to 2590 (13%)
  • 26 to 35110 (16%)
  • 36 to 4586 (13%)
  • 46 to 5559 (8.8%)
  • 56 to 6538 (5.7%)
  • 66 to 7524 (3.6%)
  • Over 7514 (2.1%)
  • Not recorded13 (1.9%)

Drivers, passengers and pedestrians

  • Driver or rider476 (71%)
  • Passenger145 (22%)
  • Pedestrian47 (7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4016

Map of the 25 most recent crashes on the B4016

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

  • 25 crashes
  • Serious
  • Slight

B4016 crashes by council area

Collisions on the B4016 were recorded in 2 council areas. South Oxfordshire has the most, with 258, followed by Vale of White Horse (243).

Collisions on the B4016 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouth Oxfordshire258345746
2ndVale of White Horse243323457

B4016 crashes by town

Collisions on the B4016 were recorded in 3 towns and built-up areas, led by Didcot (99) and Sutton Courtenay and Milton (53).

Recent crashes on the B4016

These are the 25 most recent collisions on the B4016, from 20 June 2020 to 6 August 2025.

Severity