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CrashStats

A543 accidents: crash map and statistics

Police recorded 647 collisions on the A543 from 1979 to 2024, with 886 casualties. Of those crashes, 18 were fatal and 133 serious, and 20 people were killed.

No collisions were recorded on the A543 in 2025, after 2 in 2024.

Collisions since 1979
647
1,597th highest of 4,923 roads
Casualties
886
1.37 per collision
Fatal collisions
18
20 people killed
Serious collisions
133
156 seriously injured
Collisions in 2025
0
2 in 2024
Casualties in 2025
0
2 in 2024

Crash severity on the A543

On the A543, 2.8% of collisions were fatal and 21% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2024

  • Fatal182.8%
  • Serious13321%
  • Slight49677%

Where the A543 ranks among 4,923 roads

Most collisions
1,597th
Most casualties
1,576th
Most fatal collisions
1,081st
Most serious collisions
1,517th

A543 accidents by year

Collisions on the A543 peaked at 28 in 1983; none were recorded in 2025.

Collisions and casualties on the A543, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202500
202422
202311
202256
202155
202022
201933
201858
2017813
20161419
20151314
2014910
20131015
2012912
20111722
20101316
20091213
20082033
200767
20061313
20051011
20041821
20031618
20021829
20012029
20001724
19991416
19982126
19972437
19961223
19951620
19941423
19931823
19921728
19911725
19901429
19892534
19881823
19871516
19862026
19852130
19841521
19832839
19822230
19812229
19801626
19791216

When crashes happen on the A543

Saturday has the most collisions on the A543 (115), and noon to 3pm is the busiest time of day (161).

Collisions by day of the week

  • Monday74 (11%)
  • Tuesday82 (13%)
  • Wednesday86 (13%)
  • Thursday84 (13%)
  • Friday96 (15%)
  • Saturday115 (18%)
  • Sunday110 (17%)

Collisions by time of day

  • Midnight to 3am11 (1.7%)
  • 3am to 6am6 (0.9%)
  • 6am to 9am60 (9.3%)
  • 9am to noon97 (15%)
  • Noon to 3pm161 (25%)
  • 3pm to 6pm159 (25%)
  • 6pm to 9pm87 (13%)
  • 9pm to midnight66 (10%)

Collisions by month

  • January43 (6.6%)
  • February33 (5.1%)
  • March54 (8.3%)
  • April58 (9%)
  • May52 (8%)
  • June50 (7.7%)
  • July59 (9.1%)
  • August58 (9%)
  • September54 (8.3%)
  • October68 (11%)
  • November62 (9.6%)
  • December56 (8.7%)

Light conditions at the time

  • Daylight486 (75%)
  • Dark, street lights lit91 (14%)
  • Dark, no street lighting59 (9.1%)
  • Dark, lighting unknown6 (0.9%)
  • Dark, street lights unlit5 (0.8%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A543 crashes

On the A543, 57% of collisions happened where the speed limit was 30 mph and 65% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.5%)
  • 30 mph367 (57%)
  • 40 mph7 (1.1%)
  • 50 mph3 (0.5%)
  • 60 mph257 (40%)
  • 70 mph10 (1.5%)

Weather at the time

  • Fine, no high winds487 (75%)
  • Raining, no high winds79 (12%)
  • Fine with high winds21 (3.2%)
  • Raining with high winds16 (2.5%)
  • Other39 (6%)
  • Not recorded5 (0.8%)

Road surface

  • Dry418 (65%)
  • Wet or damp204 (32%)
  • Frost or ice14 (2.2%)
  • Snow7 (1.1%)
  • Flood over 3cm deep3 (0.5%)
  • Oil or diesel1 (0.2%)

Type of road

  • Single carriageway603 (93%)
  • Roundabout29 (4.5%)
  • Dual carriageway9 (1.4%)
  • One way street or slip road5 (0.8%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A543 crashes

Car occupants make up 53% of the people killed or injured on the A543, followed by motorcyclists (20%).

Casualties by road user

  • Car occupant474 (53%)
  • Motorcyclist176 (20%)
  • Pedestrian148 (17%)
  • Cyclist37 (4.2%)
  • Van occupant18 (2%)
  • Goods vehicle occupant (over 3.5 tonnes)14 (1.6%)
  • Bus or coach occupant5 (0.6%)
  • Other14 (1.6%)

Vehicles involved

  • Car717 (68%)
  • Motorcycle173 (16%)
  • Van or goods vehicle up to 3.5 tonnes39 (3.7%)
  • Pedal cycle38 (3.6%)
  • Goods vehicle over 3.5 tonnes31 (2.9%)
  • Bus or coach21 (2%)
  • Other vehicle14 (1.3%)
  • Other22 (2.1%)

Casualties by age

  • 0 to 510 (1.1%)
  • 6 to 1030 (3.4%)
  • 11 to 1559 (6.7%)
  • 16 to 20182 (21%)
  • 21 to 25108 (12%)
  • 26 to 35155 (17%)
  • 36 to 45117 (13%)
  • 46 to 5580 (9%)
  • 56 to 6557 (6.4%)
  • 66 to 7551 (5.8%)
  • Over 7535 (4%)
  • Not recorded2 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider495 (56%)
  • Passenger243 (27%)
  • Pedestrian148 (17%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A543

Map of the 25 most recent crashes on the A543

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A543 crashes by council area

Collisions on the A543 were recorded in 3 council areas. Denbighshire has the most, with 515, followed by Conwy (124) and Wrexham (4).

Collisions on the A543 in each area, 1979 to 2024
RankAreaCollisionsCasualtiesFatalSerious
1stDenbighshire515677991
2ndConwy124199942
3rdWrexham4400

A543 crashes by town

Collisions on the A543 were recorded in 2 towns and built-up areas, led by Denbigh (356) and Wrexham (3).

Recent crashes on the A543

These are the 25 most recent collisions on the A543, from 10 October 2017 to 11 November 2024.

Severity