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CrashStats

A427 accidents: crash map and statistics

Police recorded 2,277 collisions on the A427 from 1979 to 2025, with 3,256 casualties. Of those crashes, 91 were fatal and 648 serious, and 109 people were killed.

In 2025 there were 14 collisions on the A427, down 7% from 15 in 2024, with 15 casualties.

Collisions since 1979
2,277
512th highest of 4,923 roads
Casualties
3,256
1.43 per collision
Fatal collisions
91
109 people killed
Serious collisions
648
860 seriously injured
Collisions in 2025
14
Down 7% on 2024
Casualties in 2025
15
Down 6% on 2024

Crash severity on the A427

On the A427, 4% of collisions were fatal and 28% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal914%
  • Serious64828%
  • Slight1,53868%

Where the A427 ranks among 4,923 roads

Most collisions
512th
Most casualties
494th
Most fatal collisions
234th
Most serious collisions
311th

A427 accidents by year

Collisions on the A427 peaked at 125 in 1988 and were down to 14 in 2025.

Collisions and casualties on the A427, 1979 to 2025

  • Collisions
  • Collisions in 2025: 14
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251415
20241516
20231417
20222025
20211922
20201417
20191011
2018913
20171011
20161321
20151618
20142837
20131317
20121415
20112534
20102228
20092436
20082429
20072941
20063760
20053354
20043044
20032738
20023346
20012632
20003248
19992630
19982733
19972938
19964060
19954468
19945978
199388126
199277125
1991109159
1990123196
198997154
1988125200
1987115180
198689128
1985107140
1984107148
198379112
1982105138
1981103141
198088135
197989122

When crashes happen on the A427

Friday has the most collisions on the A427 (385), and 3pm to 6pm is the busiest time of day (559).

Collisions by day of the week

  • Monday305 (13%)
  • Tuesday363 (16%)
  • Wednesday322 (14%)
  • Thursday346 (15%)
  • Friday385 (17%)
  • Saturday293 (13%)
  • Sunday263 (12%)

Collisions by time of day

  • Midnight to 3am74 (3.2%)
  • 3am to 6am44 (1.9%)
  • 6am to 9am349 (15%)
  • 9am to noon315 (14%)
  • Noon to 3pm401 (18%)
  • 3pm to 6pm559 (25%)
  • 6pm to 9pm331 (15%)
  • 9pm to midnight204 (9%)

Collisions by month

  • January198 (8.7%)
  • February152 (6.7%)
  • March152 (6.7%)
  • April164 (7.2%)
  • May197 (8.7%)
  • June194 (8.5%)
  • July192 (8.4%)
  • August213 (9.4%)
  • September210 (9.2%)
  • October212 (9.3%)
  • November211 (9.3%)
  • December182 (8%)

Light conditions at the time

  • Daylight1,641 (72%)
  • Dark, street lights lit354 (16%)
  • Dark, no street lighting241 (11%)
  • Dark, lighting unknown30 (1.3%)
  • Dark, street lights unlit11 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A427 crashes

On the A427, 39% of collisions happened where the speed limit was 60 mph and 56% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (0.1%)
  • 30 mph649 (29%)
  • 40 mph680 (30%)
  • 50 mph13 (0.6%)
  • 60 mph882 (39%)
  • 70 mph51 (2.2%)

Weather at the time

  • Fine, no high winds1,720 (76%)
  • Raining, no high winds366 (16%)
  • Fog or mist50 (2.2%)
  • Fine with high winds39 (1.7%)
  • Other97 (4.3%)
  • Not recorded5 (0.2%)

Road surface

  • Dry1,286 (56%)
  • Wet or damp895 (39%)
  • Frost or ice75 (3.3%)
  • Snow17 (0.7%)
  • Flood over 3cm deep3 (0.1%)
  • Mud1 (under 0.1%)

Type of road

  • Single carriageway1,637 (72%)
  • Dual carriageway413 (18%)
  • Roundabout203 (8.9%)
  • One way street or slip road21 (0.9%)
  • Not recorded3 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A427 crashes

Car occupants make up 63% of the people killed or injured on the A427, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant2,051 (63%)
  • Motorcyclist384 (12%)
  • Pedestrian284 (8.7%)
  • Cyclist212 (6.5%)
  • Goods vehicle occupant (over 3.5 tonnes)128 (3.9%)
  • Van occupant104 (3.2%)
  • Other89 (2.7%)
  • Not recorded4 (0.1%)

Vehicles involved

  • Car2,781 (67%)
  • Goods vehicle over 3.5 tonnes430 (10%)
  • Motorcycle382 (9.2%)
  • Pedal cycle217 (5.2%)
  • Van or goods vehicle up to 3.5 tonnes197 (4.7%)
  • Taxi or private hire car61 (1.5%)
  • Other vehicle42 (1%)
  • Other64 (1.5%)

Casualties by age

  • 0 to 571 (2.2%)
  • 6 to 1098 (3%)
  • 11 to 15150 (4.6%)
  • 16 to 20565 (17%)
  • 21 to 25464 (14%)
  • 26 to 35681 (21%)
  • 36 to 45472 (14%)
  • 46 to 55328 (10%)
  • 56 to 65221 (6.8%)
  • 66 to 75114 (3.5%)
  • Over 7587 (2.7%)
  • Not recorded5 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider2,037 (63%)
  • Passenger935 (29%)
  • Pedestrian284 (8.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A427

Map of the 25 most recent crashes on the A427

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

  • 25 crashes
  • Serious
  • Slight

A427 crashes by council area

Collisions on the A427 were recorded in 5 council areas. North Northamptonshire has the most, with 1,373, followed by Harborough (711) and Rugby (112).

Collisions on the A427 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stNorth Northamptonshire1,3731,87752435
2ndHarborough7111,10331152
3rdRugby112167744
4thCoventry5980015
5thHillingdon151901

A427 crashes by town

Collisions on the A427 were recorded in 6 towns and built-up areas, led by Corby (593) and Market Harborough (168).

Recent crashes on the A427

These are the 25 most recent collisions on the A427, from 22 April 2024 to 12 November 2025.

Severity