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CrashStats

A4158 accidents: crash map and statistics

Police recorded 926 collisions on the A4158 from 1979 to 2025, with 1,082 casualties. Of those crashes, 8 were fatal and 191 serious, and 8 people were killed.

In 2025 there were 13 collisions on the A4158, up 8% from 12 in 2024, with 13 casualties.

Collisions since 1979
926
1,171st highest of 4,923 roads
Casualties
1,082
1.17 per collision
Fatal collisions
8
8 people killed
Serious collisions
191
206 seriously injured
Collisions in 2025
13
Up 8% on 2024
Casualties in 2025
13
Up 8% on 2024

Crash severity on the A4158

On the A4158, 0.9% of collisions were fatal and 21% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal80.9%
  • Serious19121%
  • Slight72779%

Where the A4158 ranks among 4,923 roads

Most collisions
1,171st
Most casualties
1,344th
Most fatal collisions
1,937th
Most serious collisions
1,090th

A4158 accidents by year

Collisions on the A4158 peaked at 42 in 1990 and were down to 13 in 2025.

Collisions and casualties on the A4158, 1979 to 2025

  • Collisions
  • Collisions in 2025: 13
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251313
20241212
20231717
20221215
20211213
202088
20191314
20181822
20171315
20161621
20151517
20142427
20131616
20122023
20111113
2010813
20091112
20081722
20071828
20061113
20052122
20041416
20031111
20021828
20012126
20001520
19992734
19981618
19971822
19961414
19951921
19941111
19932021
19923044
19911721
19904246
19892629
19883234
19872424
19863238
19852931
19843131
19833438
19822325
19812829
19803439
19793455

When crashes happen on the A4158

Friday has the most collisions on the A4158 (151), and 3pm to 6pm is the busiest time of day (190).

Collisions by day of the week

  • Monday130 (14%)
  • Tuesday149 (16%)
  • Wednesday140 (15%)
  • Thursday140 (15%)
  • Friday151 (16%)
  • Saturday125 (13%)
  • Sunday91 (9.8%)

Collisions by time of day

  • Midnight to 3am42 (4.5%)
  • 3am to 6am6 (0.6%)
  • 6am to 9am128 (14%)
  • 9am to noon143 (15%)
  • Noon to 3pm131 (14%)
  • 3pm to 6pm190 (21%)
  • 6pm to 9pm172 (19%)
  • 9pm to midnight114 (12%)

Collisions by month

  • January71 (7.7%)
  • February79 (8.5%)
  • March73 (7.9%)
  • April54 (5.8%)
  • May77 (8.3%)
  • June86 (9.3%)
  • July74 (8%)
  • August63 (6.8%)
  • September78 (8.4%)
  • October92 (9.9%)
  • November111 (12%)
  • December68 (7.3%)

Light conditions at the time

  • Daylight607 (66%)
  • Dark, street lights lit303 (33%)
  • Dark, lighting unknown11 (1.2%)
  • Dark, no street lighting2 (0.2%)
  • Dark, street lights unlit2 (0.2%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4158 crashes

On the A4158, 94% of collisions happened where the speed limit was 30 mph and 67% on a dry road surface.

Speed limit at the scene

  • 20 mph53 (5.7%)
  • 30 mph868 (94%)
  • 40 mph3 (0.3%)
  • 60 mph1 (0.1%)
  • Not recorded1 (0.1%)

Weather at the time

  • Fine, no high winds733 (79%)
  • Raining, no high winds147 (16%)
  • Fine with high winds11 (1.2%)
  • Raining with high winds5 (0.5%)
  • Other18 (1.9%)
  • Not recorded12 (1.3%)

Road surface

  • Dry617 (67%)
  • Wet or damp293 (32%)
  • Frost or ice6 (0.6%)
  • Oil or diesel2 (0.2%)
  • Other2 (0.2%)
  • Not recorded6 (0.6%)

Type of road

  • Single carriageway901 (97%)
  • Dual carriageway15 (1.6%)
  • Roundabout6 (0.6%)
  • One way street or slip road4 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4158 crashes

Cyclists make up 29% of the people killed or injured on the A4158, followed by car occupants (29%).

Casualties by road user

  • Cyclist314 (29%)
  • Car occupant312 (29%)
  • Motorcyclist203 (19%)
  • Pedestrian178 (16%)
  • Bus or coach occupant37 (3.4%)
  • Taxi or private hire car occupant14 (1.3%)
  • Other23 (2.1%)
  • Not recorded1 (0.1%)

Vehicles involved

  • Car966 (56%)
  • Pedal cycle333 (19%)
  • Motorcycle205 (12%)
  • Bus or coach74 (4.3%)
  • Van or goods vehicle up to 3.5 tonnes68 (4%)
  • Taxi or private hire car23 (1.3%)
  • Other40 (2.3%)
  • Not recorded7 (0.4%)

Casualties by age

  • 0 to 520 (1.8%)
  • 6 to 1038 (3.5%)
  • 11 to 1571 (6.6%)
  • 16 to 20191 (18%)
  • 21 to 25170 (16%)
  • 26 to 35224 (21%)
  • 36 to 45128 (12%)
  • 46 to 5567 (6.2%)
  • 56 to 6563 (5.8%)
  • 66 to 7535 (3.2%)
  • Over 7526 (2.4%)
  • Not recorded49 (4.5%)

Drivers, passengers and pedestrians

  • Driver or rider725 (67%)
  • Passenger179 (17%)
  • Pedestrian178 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4158

Map of the 25 most recent crashes on the A4158

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

  • 25 crashes
  • Serious
  • Slight

A4158 crashes by council area

Collisions on the A4158 were recorded in 2 council areas. Oxford has the most, with 883, followed by South Oxfordshire (43).

Collisions on the A4158 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stOxford8831,0276178
2ndSouth Oxfordshire4355213

A4158 crashes by town

Of the 926 collisions on the A4158, 925 were in the built-up area of Oxford.

Recent crashes on the A4158

These are the 25 most recent collisions on the A4158, from 12 March 2024 to 29 November 2025.

Severity