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CrashStats

A257 accidents: crash map and statistics

Police recorded 1,206 collisions on the A257 from 1979 to 2025, with 1,707 casualties. Of those crashes, 35 were fatal and 242 serious, and 37 people were killed.

In 2025 there were 13 collisions on the A257, down 13% from 15 in 2024, with 17 casualties.

Collisions since 1979
1,206
914th highest of 4,923 roads
Casualties
1,707
1.42 per collision
Fatal collisions
35
37 people killed
Serious collisions
242
278 seriously injured
Collisions in 2025
13
Down 13% on 2024
Casualties in 2025
17
Down 11% on 2024

Crash severity on the A257

On the A257, 2.9% of collisions were fatal and 20% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal352.9%
  • Serious24220%
  • Slight92977%

Where the A257 ranks among 4,923 roads

Most collisions
914th
Most casualties
872nd
Most fatal collisions
590th
Most serious collisions
887th

A257 accidents by year

Collisions on the A257 peaked at 38 in 1983 and were down to 13 in 2025.

Collisions and casualties on the A257, 1979 to 2025

  • Collisions
  • Collisions in 2025: 13
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251317
20241519
2023810
20222031
20211014
20202232
20191120
20181526
20171121
20162340
20151926
20141623
20132434
20122936
20111826
20102235
20092439
20082938
20073044
20061622
20051927
20043042
20032839
20023146
20013655
20002945
19993458
19983650
19972841
19963550
19953444
19943747
19933250
19923644
19912638
19902535
19892130
19883241
19873148
19862631
19853041
19843447
19833845
19823440
19813447
19802939
19792634

When crashes happen on the A257

Wednesday has the most collisions on the A257 (204), and 3pm to 6pm is the busiest time of day (276).

Collisions by day of the week

  • Monday180 (15%)
  • Tuesday155 (13%)
  • Wednesday204 (17%)
  • Thursday200 (17%)
  • Friday192 (16%)
  • Saturday150 (12%)
  • Sunday125 (10%)

Collisions by time of day

  • Midnight to 3am46 (3.8%)
  • 3am to 6am18 (1.5%)
  • 6am to 9am192 (16%)
  • 9am to noon205 (17%)
  • Noon to 3pm193 (16%)
  • 3pm to 6pm276 (23%)
  • 6pm to 9pm171 (14%)
  • 9pm to midnight105 (8.7%)

Collisions by month

  • January127 (11%)
  • February91 (7.5%)
  • March87 (7.2%)
  • April80 (6.6%)
  • May89 (7.4%)
  • June102 (8.5%)
  • July101 (8.4%)
  • August86 (7.1%)
  • September101 (8.4%)
  • October130 (11%)
  • November107 (8.9%)
  • December105 (8.7%)

Light conditions at the time

  • Daylight878 (73%)
  • Dark, street lights lit163 (14%)
  • Dark, no street lighting135 (11%)
  • Dark, street lights unlit17 (1.4%)
  • Dark, lighting unknown13 (1.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A257 crashes

On the A257, 43% of collisions happened where the speed limit was 60 mph and 63% on a dry road surface.

Speed limit at the scene

  • 20 mph6 (0.5%)
  • 30 mph503 (42%)
  • 40 mph95 (7.9%)
  • 50 mph74 (6.1%)
  • 60 mph520 (43%)
  • 70 mph8 (0.7%)

Weather at the time

  • Fine, no high winds925 (77%)
  • Raining, no high winds186 (15%)
  • Raining with high winds16 (1.3%)
  • Snowing, no high winds13 (1.1%)
  • Other47 (3.9%)
  • Not recorded19 (1.6%)

Road surface

  • Dry760 (63%)
  • Wet or damp414 (34%)
  • Frost or ice21 (1.7%)
  • Snow8 (0.7%)
  • Flood over 3cm deep2 (0.2%)
  • Mud1 (0.1%)

Type of road

  • Single carriageway1,081 (90%)
  • Dual carriageway58 (4.8%)
  • Roundabout56 (4.6%)
  • One way street or slip road7 (0.6%)
  • Not recorded4 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A257 crashes

Car occupants make up 66% of the people killed or injured on the A257, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant1,135 (66%)
  • Motorcyclist217 (13%)
  • Pedestrian151 (8.8%)
  • Cyclist119 (7%)
  • Van occupant37 (2.2%)
  • Goods vehicle occupant (over 3.5 tonnes)15 (0.9%)
  • Bus or coach occupant11 (0.6%)
  • Other22 (1.3%)

Vehicles involved

  • Car1,642 (74%)
  • Motorcycle217 (9.8%)
  • Pedal cycle119 (5.4%)
  • Van or goods vehicle up to 3.5 tonnes89 (4%)
  • Goods vehicle over 3.5 tonnes65 (2.9%)
  • Bus or coach28 (1.3%)
  • Other44 (2%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 527 (1.6%)
  • 6 to 1051 (3%)
  • 11 to 1572 (4.2%)
  • 16 to 20341 (20%)
  • 21 to 25229 (13%)
  • 26 to 35265 (16%)
  • 36 to 45221 (13%)
  • 46 to 55194 (11%)
  • 56 to 65124 (7.3%)
  • 66 to 7596 (5.6%)
  • Over 7555 (3.2%)
  • Not recorded32 (1.9%)

Drivers, passengers and pedestrians

  • Driver or rider1,104 (65%)
  • Passenger452 (26%)
  • Pedestrian151 (8.8%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A257

Map of the 25 most recent crashes on the A257

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A257 crashes by council area

Collisions on the A257 were recorded in 3 council areas. Canterbury has the most, with 659, followed by Dover (531) and Thanet (10).

Collisions on the A257 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCanterbury65986919131
2ndDover53181914110
3rdThanet101220

A257 crashes by town

Collisions on the A257 were recorded in 4 towns and built-up areas, led by Canterbury (299) and Wingham (97).

Recent crashes on the A257

These are the 25 most recent collisions on the A257, from 1 June 2024 to 16 December 2025.

Severity