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CrashStats

B4030 accidents: crash map and statistics

Police recorded 475 collisions on the B4030 from 1979 to 2025, with 724 casualties. Of those crashes, 14 were fatal and 104 serious, and 16 people were killed.

In 2025 there were 2 collisions on the B4030, down 80% from 10 in 2024, with 2 casualties.

Collisions since 1979
475
2,052nd highest of 4,923 roads
Casualties
724
1.52 per collision
Fatal collisions
14
16 people killed
Serious collisions
104
129 seriously injured
Collisions in 2025
2
Down 80% on 2024
Casualties in 2025
2
Down 82% on 2024

Crash severity on the B4030

On the B4030, 2.9% of collisions were fatal and 22% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal142.9%
  • Serious10422%
  • Slight35775%

Where the B4030 ranks among 4,923 roads

Most collisions
2,052nd
Most casualties
1,874th
Most fatal collisions
1,329th
Most serious collisions
1,848th

B4030 accidents by year

Collisions on the B4030 peaked at 21 in 2002 and were down to 2 in 2025.

Collisions and casualties on the B4030, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202522
20241011
202335
202256
202156
202022
201955
201845
201749
201657
201557
20141012
201377
201278
2011712
201034
200944
20081217
20071825
2006814
20051724
20041219
20031518
20022129
20011416
20001522
199988
19981015
19971524
1996913
199534
1994913
199378
19921123
19911230
19901119
19891422
19881433
19871620
19861423
198599
19841833
19831835
19821519
19811420
19801630
19791227

When crashes happen on the B4030

Friday has the most collisions on the B4030 (80), and 3pm to 6pm is the busiest time of day (109).

Collisions by day of the week

  • Monday64 (13%)
  • Tuesday49 (10%)
  • Wednesday70 (15%)
  • Thursday69 (15%)
  • Friday80 (17%)
  • Saturday73 (15%)
  • Sunday70 (15%)

Collisions by time of day

  • Midnight to 3am14 (2.9%)
  • 3am to 6am16 (3.4%)
  • 6am to 9am77 (16%)
  • 9am to noon75 (16%)
  • Noon to 3pm64 (13%)
  • 3pm to 6pm109 (23%)
  • 6pm to 9pm67 (14%)
  • 9pm to midnight53 (11%)

Collisions by month

  • January38 (8%)
  • February32 (6.7%)
  • March35 (7.4%)
  • April35 (7.4%)
  • May31 (6.5%)
  • June46 (9.7%)
  • July48 (10%)
  • August43 (9.1%)
  • September35 (7.4%)
  • October42 (8.8%)
  • November46 (9.7%)
  • December44 (9.3%)

Light conditions at the time

  • Daylight340 (72%)
  • Dark, no street lighting107 (23%)
  • Dark, street lights lit26 (5.5%)
  • Dark, lighting unknown2 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4030 crashes

On the B4030, 70% of collisions happened where the speed limit was 60 mph and 58% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph81 (17%)
  • 40 mph34 (7.2%)
  • 50 mph24 (5.1%)
  • 60 mph334 (70%)
  • Not recorded1 (0.2%)

Weather at the time

  • Fine, no high winds373 (79%)
  • Raining, no high winds59 (12%)
  • Fine with high winds9 (1.9%)
  • Fog or mist6 (1.3%)
  • Other25 (5.3%)
  • Not recorded3 (0.6%)

Road surface

  • Dry277 (58%)
  • Wet or damp165 (35%)
  • Frost or ice27 (5.7%)
  • Snow3 (0.6%)
  • Other2 (0.4%)
  • Not recorded1 (0.2%)

Type of road

  • Single carriageway451 (95%)
  • Roundabout20 (4.2%)
  • Dual carriageway3 (0.6%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4030 crashes

Car occupants make up 77% of the people killed or injured on the B4030, followed by motorcyclists (10%).

Casualties by road user

  • Car occupant555 (77%)
  • Motorcyclist73 (10%)
  • Van occupant44 (6.1%)
  • Cyclist18 (2.5%)
  • Pedestrian16 (2.2%)
  • Bus or coach occupant7 (1%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.8%)
  • Other5 (0.7%)

Vehicles involved

  • Car640 (77%)
  • Motorcycle72 (8.6%)
  • Van or goods vehicle up to 3.5 tonnes51 (6.1%)
  • Goods vehicle over 3.5 tonnes32 (3.8%)
  • Pedal cycle19 (2.3%)
  • Bus or coach10 (1.2%)
  • Other9 (1.1%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 512 (1.7%)
  • 6 to 1013 (1.8%)
  • 11 to 1527 (3.7%)
  • 16 to 20140 (19%)
  • 21 to 25112 (15%)
  • 26 to 35146 (20%)
  • 36 to 45104 (14%)
  • 46 to 5577 (11%)
  • 56 to 6538 (5.2%)
  • 66 to 7531 (4.3%)
  • Over 7514 (1.9%)
  • Not recorded10 (1.4%)

Drivers, passengers and pedestrians

  • Driver or rider486 (67%)
  • Passenger222 (31%)
  • Pedestrian16 (2.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4030

Map of the 25 most recent crashes on the B4030

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4030 crashes by council area

Collisions on the B4030 were recorded in 2 council areas. Cherwell has the most, with 286, followed by West Oxfordshire (189).

Collisions on the B4030 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCherwell2864541064
2ndWest Oxfordshire189270440

B4030 crashes by town

Of the 475 collisions on the B4030, 35 were in the built-up area of Bicester.

Recent crashes on the B4030

These are the 25 most recent collisions on the B4030, from 23 January 2021 to 21 October 2025.

Severity