Skip to main content
CrashStats

A4080 accidents: crash map and statistics

Police recorded 544 collisions on the A4080 from 1979 to 2025, with 853 casualties. Of those crashes, 15 were fatal and 146 serious, and 16 people were killed.

In 2025 there were 2 collisions on the A4080, down 50% from 4 in 2024, with 2 casualties.

Collisions since 1979
544
1,839th highest of 4,923 roads
Casualties
853
1.57 per collision
Fatal collisions
15
16 people killed
Serious collisions
146
192 seriously injured
Collisions in 2025
2
Down 50% on 2024
Casualties in 2025
2
Down 71% on 2024

Crash severity on the A4080

On the A4080, 2.8% of collisions were fatal and 27% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal152.8%
  • Serious14627%
  • Slight38370%

Where the A4080 ranks among 4,923 roads

Most collisions
1,839th
Most casualties
1,637th
Most fatal collisions
1,258th
Most serious collisions
1,402nd

A4080 accidents by year

Collisions on the A4080 peaked at 24 in 1981 and were down to 2 in 2025.

Collisions and casualties on the A4080, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202522
202447
202345
202244
202135
202011
201956
201825
2017710
20161113
201524
2014710
201345
2012511
201136
201056
20091225
2008713
2007914
20061425
20051113
20041321
20032026
20021631
20011827
20001829
19991627
19981728
19971938
19961836
19951627
19941628
19931624
19922135
19911723
19901726
19891527
19881214
1987915
19861420
19851112
19841115
19832030
19822128
19812430
19801118
19791628

When crashes happen on the A4080

Saturday has the most collisions on the A4080 (109), and 3pm to 6pm is the busiest time of day (135).

Collisions by day of the week

  • Monday70 (13%)
  • Tuesday56 (10%)
  • Wednesday71 (13%)
  • Thursday70 (13%)
  • Friday79 (15%)
  • Saturday109 (20%)
  • Sunday89 (16%)

Collisions by time of day

  • Midnight to 3am33 (6.1%)
  • 3am to 6am8 (1.5%)
  • 6am to 9am45 (8.3%)
  • 9am to noon63 (12%)
  • Noon to 3pm99 (18%)
  • 3pm to 6pm135 (25%)
  • 6pm to 9pm95 (17%)
  • 9pm to midnight66 (12%)

Collisions by month

  • January31 (5.7%)
  • February43 (7.9%)
  • March35 (6.4%)
  • April44 (8.1%)
  • May43 (7.9%)
  • June34 (6.3%)
  • July61 (11%)
  • August75 (14%)
  • September51 (9.4%)
  • October44 (8.1%)
  • November37 (6.8%)
  • December46 (8.5%)

Light conditions at the time

  • Daylight378 (69%)
  • Dark, no street lighting103 (19%)
  • Dark, street lights lit55 (10%)
  • Dark, lighting unknown7 (1.3%)
  • Dark, street lights unlit1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4080 crashes

On the A4080, 56% of collisions happened where the speed limit was 60 mph and 64% on a dry road surface.

Speed limit at the scene

  • 15 mph3 (0.6%)
  • 30 mph129 (24%)
  • 40 mph32 (5.9%)
  • 50 mph54 (9.9%)
  • 60 mph307 (56%)
  • 70 mph19 (3.5%)

Weather at the time

  • Fine, no high winds413 (76%)
  • Raining, no high winds52 (9.6%)
  • Raining with high winds26 (4.8%)
  • Fine with high winds23 (4.2%)
  • Other28 (5.1%)
  • Not recorded2 (0.4%)

Road surface

  • Dry349 (64%)
  • Wet or damp175 (32%)
  • Frost or ice13 (2.4%)
  • Flood over 3cm deep3 (0.6%)
  • Snow3 (0.6%)
  • Not recorded1 (0.2%)

Type of road

  • Single carriageway524 (96%)
  • Roundabout10 (1.8%)
  • Dual carriageway8 (1.5%)
  • One way street or slip road1 (0.2%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4080 crashes

Car occupants make up 76% of the people killed or injured on the A4080, followed by motorcyclists (8.6%).

Casualties by road user

  • Car occupant651 (76%)
  • Motorcyclist73 (8.6%)
  • Pedestrian57 (6.7%)
  • Cyclist39 (4.6%)
  • Van occupant18 (2.1%)
  • Minibus occupant6 (0.7%)
  • Other vehicle occupant3 (0.4%)
  • Other6 (0.7%)

Vehicles involved

  • Car764 (81%)
  • Motorcycle69 (7.3%)
  • Pedal cycle39 (4.1%)
  • Van or goods vehicle up to 3.5 tonnes22 (2.3%)
  • Goods vehicle over 3.5 tonnes16 (1.7%)
  • Other vehicle14 (1.5%)
  • Bus or coach8 (0.8%)
  • Other11 (1.2%)

Casualties by age

  • 0 to 516 (1.9%)
  • 6 to 1034 (4%)
  • 11 to 1544 (5.2%)
  • 16 to 20168 (20%)
  • 21 to 25128 (15%)
  • 26 to 35140 (16%)
  • 36 to 45120 (14%)
  • 46 to 5572 (8.4%)
  • 56 to 6552 (6.1%)
  • 66 to 7539 (4.6%)
  • Over 7539 (4.6%)
  • Not recorded1 (0.1%)

Drivers, passengers and pedestrians

  • Driver or rider494 (58%)
  • Passenger302 (35%)
  • Pedestrian57 (6.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4080

Map of the 25 most recent crashes on the A4080

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A4080 crashes by council area

Collisions on the A4080 were recorded in 2 council areas. Isle of Anglesey has the most, with 533, followed by Gwynedd (8).

Collisions on the A4080 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stIsle of Anglesey53383715143
2ndGwynedd81301

A4080 crashes by town

Collisions on the A4080 were recorded in 3 towns and built-up areas, led by Menai Bridge (15) and Llanfair Pwllgwyngyll (10).

Recent crashes on the A4080

These are the 25 most recent collisions on the A4080, from 17 January 2018 to 16 July 2025.

Severity