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CrashStats

A55 accidents: crash map and statistics

Police recorded 6,042 collisions on the A55 from 1979 to 2025, with 9,990 casualties. Of those crashes, 197 were fatal and 1,099 serious, and 212 people were killed.

In 2025 there were 40 collisions on the A55, up 25% from 32 in 2024, with 66 casualties.

Live A55 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
6,042
156th highest of 4,923 roads
Casualties
9,990
1.65 per collision
Fatal collisions
197
212 people killed
Serious collisions
1,099
1,447 seriously injured
Collisions in 2025
40
Up 25% on 2024
Casualties in 2025
66
Up 27% on 2024

Crash severity on the A55

On the A55, 3.3% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal1973.3%
  • Serious1,09918%
  • Slight4,74679%

Where the A55 ranks among 4,923 roads

Most collisions
156th
Most casualties
127th
Most fatal collisions
95th
Most serious collisions
171st

A55 accidents by year

Collisions on the A55 peaked at 273 in 1981 and were down to 40 in 2025.

Collisions and casualties on the A55, 1979 to 2025

  • Collisions
  • Collisions in 2025: 40
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254066
20243252
20234171
20224271
20213755
20204666
20195289
201873113
201764101
20165197
201578130
201472103
201387135
201294158
2011103167
2010100160
200985154
200898201
2007130201
2006118185
2005110162
2004157253
2003156243
2002163275
2001149257
2000138234
1999141232
1998162288
1997136254
1996113206
1995122207
1994109183
1993107193
1992132211
1991151254
1990158263
1989159254
1988196324
1987160267
1986170319
1985172278
1984240365
1983244408
1982248393
1981273427
1980268429
1979265436

When crashes happen on the A55

Friday has the most collisions on the A55 (987), and 3pm to 6pm is the busiest time of day (1,396).

Collisions by day of the week

  • Monday872 (14%)
  • Tuesday800 (13%)
  • Wednesday790 (13%)
  • Thursday802 (13%)
  • Friday987 (16%)
  • Saturday907 (15%)
  • Sunday884 (15%)

Collisions by time of day

  • Midnight to 3am254 (4.2%)
  • 3am to 6am159 (2.6%)
  • 6am to 9am759 (13%)
  • 9am to noon988 (16%)
  • Noon to 3pm1,158 (19%)
  • 3pm to 6pm1,396 (23%)
  • 6pm to 9pm850 (14%)
  • 9pm to midnight478 (7.9%)

Collisions by month

  • January398 (6.6%)
  • February410 (6.8%)
  • March469 (7.8%)
  • April480 (7.9%)
  • May480 (7.9%)
  • June500 (8.3%)
  • July522 (8.6%)
  • August668 (11%)
  • September486 (8%)
  • October541 (9%)
  • November544 (9%)
  • December544 (9%)

Light conditions at the time

  • Daylight4,337 (72%)
  • Dark, no street lighting849 (14%)
  • Dark, street lights lit780 (13%)
  • Dark, lighting unknown43 (0.7%)
  • Dark, street lights unlit33 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A55 crashes

On the A55, 56% of collisions happened where the speed limit was 70 mph and 59% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (under 0.1%)
  • 30 mph1,147 (19%)
  • 40 mph307 (5.1%)
  • 50 mph286 (4.7%)
  • 60 mph945 (16%)
  • 70 mph3,356 (56%)

Weather at the time

  • Fine, no high winds4,330 (72%)
  • Raining, no high winds982 (16%)
  • Raining with high winds196 (3.2%)
  • Fine with high winds149 (2.5%)
  • Other345 (5.7%)
  • Not recorded40 (0.7%)

Road surface

  • Dry3,593 (59%)
  • Wet or damp2,242 (37%)
  • Frost or ice110 (1.8%)
  • Snow74 (1.2%)
  • Other22 (0.4%)
  • Not recorded1 (under 0.1%)

Type of road

  • Dual carriageway3,460 (57%)
  • Single carriageway2,039 (34%)
  • Roundabout282 (4.7%)
  • One way street or slip road251 (4.2%)
  • Not recorded10 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A55 crashes

Car occupants make up 76% of the people killed or injured on the A55, followed by motorcyclists (8%).

Casualties by road user

  • Car occupant7,614 (76%)
  • Motorcyclist799 (8%)
  • Pedestrian460 (4.6%)
  • Van occupant315 (3.2%)
  • Goods vehicle occupant (over 3.5 tonnes)282 (2.8%)
  • Bus or coach occupant186 (1.9%)
  • Cyclist161 (1.6%)
  • Other173 (1.7%)

Vehicles involved

  • Car9,300 (77%)
  • Goods vehicle over 3.5 tonnes932 (7.7%)
  • Motorcycle734 (6.1%)
  • Van or goods vehicle up to 3.5 tonnes532 (4.4%)
  • Pedal cycle173 (1.4%)
  • Bus or coach123 (1%)
  • Other298 (2.5%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 5182 (1.8%)
  • 6 to 10368 (3.7%)
  • 11 to 15464 (4.6%)
  • 16 to 201,313 (13%)
  • 21 to 251,308 (13%)
  • 26 to 351,912 (19%)
  • 36 to 451,463 (15%)
  • 46 to 551,218 (12%)
  • 56 to 65866 (8.7%)
  • 66 to 75566 (5.7%)
  • Over 75309 (3.1%)
  • Not recorded21 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider5,638 (56%)
  • Passenger3,892 (39%)
  • Pedestrian460 (4.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A55

Map of the 25 most recent crashes on the A55

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A55 crashes by council area

Collisions on the A55 were recorded in 7 council areas. Conwy has the most, with 2,159, followed by Flintshire (1,871) and Denbighshire (810).

Collisions on the A55 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stConwy2,1593,32054417
2ndFlintshire1,8713,22648327
3rdDenbighshire8101,51245160
4thCheshire West and Chester6029311871
5thGwynedd3896911978
6thIsle of Anglesey1932861344
7thCheshire East7800

A55 crashes by town

Collisions on the A55 were recorded in 17 towns and built-up areas, led by Colwyn Bay (379) and Conwy (257).

Recent crashes on the A55

These are the 25 most recent collisions on the A55, from 5 May to 27 December 2025.

Severity