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CrashStats

LL16 road accidents: crash map and statistics

Police recorded 2,175 road traffic collisions in the LL16 postcode district, Denbighshire, from 1979 to 2025, and 3,079 people were killed or injured in them. Of those collisions, 62 were fatal and 433 were serious.

In 2025 police recorded 10 collisions, down from 11 in 2024.

Collisions since 1979
2,175
1,669th of 2,813 postcode districts, highest first
Casualties
3,079
1.42 per collision
Fatal collisions
62
70 people killed
Serious collisions
433
520 seriously injured
Collisions in 2025
10
11 in 2024
Casualties in 2025
20
12 in 2024

Road collision statistics for LL16

Collisions by severity, 1979 to 2025

  • Fatal622.9%
  • Serious43320%
  • Slight1,68077%

What the data shows

  • LL16 had 183 collisions from 2016 to 2025, 58% fewer than the 435 from 2006 to 2015.
  • 23% of collisions in LL16 were fatal or serious, against 20% across Great Britain.
  • 334 children under 16 were killed or injured in LL16, 11% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in LL16.

Where LL16 ranks among 2,813 postcode districts

Most collisions
1,669th
Most casualties
1,635th
Most fatal collisions
879th
Most serious collisions
1,677th

Collisions by day of the week

  • Monday286 (13%)
  • Tuesday304 (14%)
  • Wednesday285 (13%)
  • Thursday307 (14%)
  • Friday326 (15%)
  • Saturday363 (17%)
  • Sunday304 (14%)

Light conditions

  • Daylight1,640 (75%)
  • Dark, no street lighting306 (14%)
  • Dark, street lights lit204 (9.4%)
  • Dark, lighting unknown15 (0.7%)
  • Dark, street lights unlit10 (0.5%)

Type of road

  • Single carriageway2,029 (93%)
  • Roundabout80 (3.7%)
  • Dual carriageway34 (1.6%)
  • One way street or slip road22 (1%)
  • Not recorded10 (0.5%)

Speed limit at the scene

  • 20 mph10 (0.5%)
  • 30 mph847 (39%)
  • 40 mph86 (4%)
  • 50 mph7 (0.3%)
  • 60 mph1,156 (53%)
  • 70 mph69 (3.2%)

Weather at the time

  • Fine, no high winds1,618 (74%)
  • Raining, no high winds324 (15%)
  • Raining with high winds45 (2.1%)
  • Fine with high winds38 (1.7%)
  • Snowing, no high winds17 (0.8%)
  • Fog or mist8 (0.4%)
  • Snowing with high winds3 (0.1%)
  • Other105 (4.8%)
  • Not recorded17 (0.8%)

Who was hurt

  • Car occupant1,992 (65%)
  • Motorcyclist387 (13%)
  • Pedestrian342 (11%)
  • Cyclist154 (5%)
  • Van occupant77 (2.5%)
  • Goods vehicle occupant (over 3.5 tonnes)33 (1.1%)
  • Other vehicle occupant25 (0.8%)
  • Bus or coach occupant20 (0.6%)
  • Minibus occupant20 (0.6%)
  • Taxi or private hire car occupant20 (0.6%)
  • Other9 (0.3%)

Source: Department for Transport, STATS19 road safety data

LL16 road accidents by year

Collisions and casualties in LL16, 1979 to 2025

Collisions in LL16 peaked at 72 in 1981; 2025 had 10.

  • Collisions
  • Collisions in 2025: 10
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251020
20241112
20231825
20221216
20212024
20201622
20191214
20182543
20173441
20162531
20155169
20143958
20132232
20123243
20115273
20105274
20093958
200869101
20073960
20064049
20053549
20044871
20035875
20025680
20015774
20004969
19995874
19986897
19976093
19965790
19956185
19944864
19935677
19925887
19916688
19904675
19896588
19886796
19874968
19864967
19856289
19845689
19836690
19826692
19817296
19805995
19796596

Map of recent crashes in LL16

Map of the 24 most recent crashes in LL16

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in LL16

The 24 most recent collisions in LL16 happened between 26 October 2023 and 21 September 2025.

Severity

Crashes by road in LL16

The A543 has the most collisions in LL16, 617 of 2,175 (28%), followed by the A525 (424).

Collisions in LL16 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA54361783815127
2ndA5254246181965
3rdA541215360953
4thB538284100020
5thB54285978213
6thB54295781114
7thB45015279117
8thA5443855212

Council areas covering LL16

Collisions in LL16 were recorded in 4 council areas. Denbighshire has 1,942 of 2,175 (89%).

Collisions in LL16 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stDenbighshire1,9422,73653363
2ndConwy222324968
3rdFlintshire41001
4thGwynedd3400

Town in LL16

Of the 2,175 collisions in LL16, 667 (31%) were in Denbigh.