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CrashStats

B4027 accidents: crash map and statistics

Police recorded 731 collisions on the B4027 from 1979 to 2025, with 1,120 casualties. Of those crashes, 17 were fatal and 188 serious, and 19 people were killed.

In 2025 there were 2 collisions on the B4027, down 50% from 4 in 2024, with 2 casualties.

Collisions since 1979
731
1,447th highest of 4,923 roads
Casualties
1,120
1.53 per collision
Fatal collisions
17
19 people killed
Serious collisions
188
245 seriously injured
Collisions in 2025
2
Down 50% on 2024
Casualties in 2025
2
Down 50% on 2024

Crash severity on the B4027

On the B4027, 2.3% of collisions were fatal and 26% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal172.3%
  • Serious18826%
  • Slight52672%

Where the B4027 ranks among 4,923 roads

Most collisions
1,447th
Most casualties
1,291st
Most fatal collisions
1,125th
Most serious collisions
1,114th

B4027 accidents by year

Collisions on the B4027 peaked at 36 in 1999 and were down to 2 in 2025.

Collisions and casualties on the B4027, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202522
202444
202344
2022814
2021711
202011
201959
2018510
2017710
20161223
201577
20141526
20131013
2012913
2011915
20101424
20091736
20082947
20072028
20062845
20052444
20042637
20032028
20022342
20012753
20002137
19993649
19982434
19973653
19962334
19951828
19941417
19931318
19922436
19911215
19902946
19892740
19881117
19871016
19861423
19851014
19841721
19831621
19821218
198133
19801518
19791316

When crashes happen on the B4027

Thursday has the most collisions on the B4027 (131), and 3pm to 6pm is the busiest time of day (164).

Collisions by day of the week

  • Monday102 (14%)
  • Tuesday123 (17%)
  • Wednesday92 (13%)
  • Thursday131 (18%)
  • Friday123 (17%)
  • Saturday91 (12%)
  • Sunday69 (9.4%)

Collisions by time of day

  • Midnight to 3am23 (3.1%)
  • 3am to 6am14 (1.9%)
  • 6am to 9am137 (19%)
  • 9am to noon88 (12%)
  • Noon to 3pm97 (13%)
  • 3pm to 6pm164 (22%)
  • 6pm to 9pm128 (18%)
  • 9pm to midnight80 (11%)

Collisions by month

  • January52 (7.1%)
  • February52 (7.1%)
  • March63 (8.6%)
  • April53 (7.3%)
  • May67 (9.2%)
  • June62 (8.5%)
  • July69 (9.4%)
  • August67 (9.2%)
  • September65 (8.9%)
  • October70 (9.6%)
  • November51 (7%)
  • December60 (8.2%)

Light conditions at the time

  • Daylight526 (72%)
  • Dark, no street lighting173 (24%)
  • Dark, street lights lit26 (3.6%)
  • Dark, lighting unknown3 (0.4%)
  • Dark, street lights unlit2 (0.3%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4027 crashes

On the B4027, 72% of collisions happened where the speed limit was 60 mph and 57% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.4%)
  • 30 mph110 (15%)
  • 40 mph6 (0.8%)
  • 50 mph85 (12%)
  • 60 mph527 (72%)

Weather at the time

  • Fine, no high winds568 (78%)
  • Raining, no high winds98 (13%)
  • Fine with high winds15 (2.1%)
  • Fog or mist10 (1.4%)
  • Other32 (4.4%)
  • Not recorded8 (1.1%)

Road surface

  • Dry420 (57%)
  • Wet or damp283 (39%)
  • Frost or ice20 (2.7%)
  • Flood over 3cm deep4 (0.5%)
  • Other2 (0.3%)
  • Not recorded2 (0.3%)

Type of road

  • Single carriageway728 (100%)
  • Dual carriageway2 (0.3%)
  • Roundabout1 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4027 crashes

Car occupants make up 80% of the people killed or injured on the B4027, followed by motorcyclists (7.9%).

Casualties by road user

  • Car occupant899 (80%)
  • Motorcyclist89 (7.9%)
  • Van occupant45 (4%)
  • Cyclist39 (3.5%)
  • Pedestrian28 (2.5%)
  • Minibus occupant7 (0.6%)
  • Bus or coach occupant4 (0.4%)
  • Other9 (0.8%)

Vehicles involved

  • Car1,038 (78%)
  • Motorcycle89 (6.7%)
  • Van or goods vehicle up to 3.5 tonnes81 (6.1%)
  • Pedal cycle40 (3%)
  • Goods vehicle over 3.5 tonnes29 (2.2%)
  • Bus or coach16 (1.2%)
  • Other31 (2.3%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 519 (1.7%)
  • 6 to 1022 (2%)
  • 11 to 1529 (2.6%)
  • 16 to 20168 (15%)
  • 21 to 25180 (16%)
  • 26 to 35251 (22%)
  • 36 to 45156 (14%)
  • 46 to 55104 (9.3%)
  • 56 to 6580 (7.1%)
  • 66 to 7539 (3.5%)
  • Over 7533 (2.9%)
  • Not recorded39 (3.5%)

Drivers, passengers and pedestrians

  • Driver or rider798 (71%)
  • Passenger294 (26%)
  • Pedestrian28 (2.5%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4027

Map of the 25 most recent crashes on the B4027

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4027 crashes by council area

Collisions on the B4027 were recorded in 5 council areas. Cherwell has the most, with 226, followed by South Oxfordshire (217) and Rugby (210).

Collisions on the B4027 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCherwell226326554
2ndSouth Oxfordshire217329357
3rdRugby210349957
4thWest Oxfordshire6396016
5thCoventry131604

B4027 crashes by town

Of the 731 collisions on the B4027, 10 were in the built-up area of Coventry.

Recent crashes on the B4027

These are the 25 most recent collisions on the B4027, from 6 May 2021 to 12 May 2025.

Severity