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CrashStats

B4017 accidents: crash map and statistics

Police recorded 1,164 collisions on the B4017 from 1979 to 2025, with 1,487 casualties. Of those crashes, 24 were fatal and 259 serious, and 24 people were killed.

In 2025 there were 8 collisions on the B4017, level with 2024, with 8 casualties.

Collisions since 1979
1,164
940th highest of 4,923 roads
Casualties
1,487
1.28 per collision
Fatal collisions
24
24 people killed
Serious collisions
259
310 seriously injured
Collisions in 2025
8
Level with 2024
Casualties in 2025
8
Down 11% on 2024

Crash severity on the B4017

On the B4017, 2.1% of collisions were fatal and 22% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal242.1%
  • Serious25922%
  • Slight88176%

Where the B4017 ranks among 4,923 roads

Most collisions
940th
Most casualties
1,001st
Most fatal collisions
836th
Most serious collisions
828th

B4017 accidents by year

Collisions on the B4017 peaked at 46 in 1984 and were down to 8 in 2025.

Collisions and casualties on the B4017, 1979 to 2025

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202588
202489
202356
20221010
202156
2020910
20191114
20181012
20172024
20161928
20151920
20142329
20131418
20121416
20111011
20101923
20091723
20082635
20071926
20062836
20052637
20042431
20031618
20023442
20013140
20002527
19993347
19982735
19973043
19962434
19953339
19943142
19932742
19922629
19913237
19903547
19893442
19884355
19873241
19863755
19853035
19844664
19834355
19824558
19813335
19803750
19793643

When crashes happen on the B4017

Wednesday has the most collisions on the B4017 (219), and 3pm to 6pm is the busiest time of day (291).

Collisions by day of the week

  • Monday176 (15%)
  • Tuesday167 (14%)
  • Wednesday219 (19%)
  • Thursday176 (15%)
  • Friday190 (16%)
  • Saturday139 (12%)
  • Sunday97 (8.3%)

Collisions by time of day

  • Midnight to 3am26 (2.2%)
  • 3am to 6am10 (0.9%)
  • 6am to 9am229 (20%)
  • 9am to noon136 (12%)
  • Noon to 3pm172 (15%)
  • 3pm to 6pm291 (25%)
  • 6pm to 9pm176 (15%)
  • 9pm to midnight124 (11%)

Collisions by month

  • January119 (10%)
  • February89 (7.6%)
  • March83 (7.1%)
  • April65 (5.6%)
  • May106 (9.1%)
  • June87 (7.5%)
  • July82 (7%)
  • August73 (6.3%)
  • September113 (9.7%)
  • October128 (11%)
  • November117 (10%)
  • December102 (8.8%)

Light conditions at the time

  • Daylight817 (70%)
  • Dark, street lights lit229 (20%)
  • Dark, no street lighting94 (8.1%)
  • Dark, lighting unknown12 (1%)
  • Dark, street lights unlit7 (0.6%)
  • Not recorded5 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4017 crashes

On the B4017, 60% of collisions happened where the speed limit was 30 mph and 63% on a dry road surface.

Speed limit at the scene

  • 20 mph8 (0.7%)
  • 30 mph701 (60%)
  • 40 mph235 (20%)
  • 50 mph16 (1.4%)
  • 60 mph204 (18%)

Weather at the time

  • Fine, no high winds914 (79%)
  • Raining, no high winds136 (12%)
  • Fine with high winds29 (2.5%)
  • Raining with high winds19 (1.6%)
  • Other58 (5%)
  • Not recorded8 (0.7%)

Road surface

  • Dry734 (63%)
  • Wet or damp396 (34%)
  • Frost or ice25 (2.1%)
  • Flood over 3cm deep2 (0.2%)
  • Other3 (0.3%)
  • Not recorded4 (0.3%)

Type of road

  • Single carriageway996 (86%)
  • Roundabout149 (13%)
  • Dual carriageway12 (1%)
  • One way street or slip road7 (0.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4017 crashes

Car occupants make up 47% of the people killed or injured on the B4017, followed by cyclists (22%).

Casualties by road user

  • Car occupant692 (47%)
  • Cyclist320 (22%)
  • Motorcyclist312 (21%)
  • Pedestrian108 (7.3%)
  • Van occupant30 (2%)
  • Bus or coach occupant11 (0.7%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.4%)
  • Other8 (0.5%)

Vehicles involved

  • Car1,407 (62%)
  • Pedal cycle328 (15%)
  • Motorcycle316 (14%)
  • Van or goods vehicle up to 3.5 tonnes103 (4.6%)
  • Goods vehicle over 3.5 tonnes43 (1.9%)
  • Bus or coach24 (1.1%)
  • Other31 (1.4%)
  • Not recorded7 (0.3%)

Casualties by age

  • 0 to 524 (1.6%)
  • 6 to 1033 (2.2%)
  • 11 to 15134 (9%)
  • 16 to 20391 (26%)
  • 21 to 25181 (12%)
  • 26 to 35206 (14%)
  • 36 to 45185 (12%)
  • 46 to 55117 (7.9%)
  • 56 to 6579 (5.3%)
  • 66 to 7559 (4%)
  • Over 7539 (2.6%)
  • Not recorded39 (2.6%)

Drivers, passengers and pedestrians

  • Driver or rider1,124 (76%)
  • Passenger255 (17%)
  • Pedestrian108 (7.3%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4017

Map of the 25 most recent crashes on the B4017

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

  • 25 crashes
  • Serious
  • Slight

B4017 crashes by council area

Of the 1,164 collisions on the B4017, 1,159 were in Vale of White Horse.

Collisions on the B4017 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stVale of White Horse1,1591,48024258

B4017 crashes by town

Collisions on the B4017 were recorded in 3 towns and built-up areas, led by Abingdon-on-Thames (417) and Wootton, Vale of White Horse (126).

Recent crashes on the B4017

These are the 25 most recent collisions on the B4017, from 26 July 2022 to 14 November 2025.

Severity