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CrashStats

A499 accidents: crash map and statistics

Police recorded 810 collisions on the A499 from 1979 to 2025, with 1,387 casualties. Of those crashes, 35 were fatal and 203 serious, and 38 people were killed.

In 2025 there were 6 collisions on the A499, up 100% from 3 in 2024, with 11 casualties.

Collisions since 1979
810
1,316th highest of 4,923 roads
Casualties
1,387
1.71 per collision
Fatal collisions
35
38 people killed
Serious collisions
203
307 seriously injured
Collisions in 2025
6
Up 100% on 2024
Casualties in 2025
11
Up 22% on 2024

Crash severity on the A499

On the A499, 4.3% of collisions were fatal and 25% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal354.3%
  • Serious20325%
  • Slight57271%

Where the A499 ranks among 4,923 roads

Most collisions
1,316th
Most casualties
1,065th
Most fatal collisions
590th
Most serious collisions
1,033rd

A499 accidents by year

Collisions on the A499 peaked at 32 in 1981 and were down to 6 in 2025.

Collisions and casualties on the A499, 1979 to 2025

  • Collisions
  • Collisions in 2025: 6
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025611
202439
202356
2022914
202155
202045
20191322
20181321
201723
20161629
2015614
2014712
2013919
20121528
20111112
20101522
20091529
20081632
20071822
20061730
20052233
20041624
20031930
20022336
20011933
20002755
19991725
19981636
19972631
19962030
19952140
19942343
19932963
19922742
19912133
19902547
19892649
19881831
19871926
19862243
19852239
19842640
19831738
19821829
19813254
19802751
19792741

When crashes happen on the A499

Saturday has the most collisions on the A499 (145), and 3pm to 6pm is the busiest time of day (201).

Collisions by day of the week

  • Monday118 (15%)
  • Tuesday102 (13%)
  • Wednesday110 (14%)
  • Thursday115 (14%)
  • Friday121 (15%)
  • Saturday145 (18%)
  • Sunday99 (12%)

Collisions by time of day

  • Midnight to 3am30 (3.7%)
  • 3am to 6am14 (1.7%)
  • 6am to 9am60 (7.4%)
  • 9am to noon108 (13%)
  • Noon to 3pm177 (22%)
  • 3pm to 6pm201 (25%)
  • 6pm to 9pm130 (16%)
  • 9pm to midnight90 (11%)

Collisions by month

  • January53 (6.5%)
  • February43 (5.3%)
  • March50 (6.2%)
  • April75 (9.3%)
  • May66 (8.1%)
  • June66 (8.1%)
  • July115 (14%)
  • August116 (14%)
  • September65 (8%)
  • October56 (6.9%)
  • November57 (7%)
  • December48 (5.9%)

Light conditions at the time

  • Daylight601 (74%)
  • Dark, no street lighting155 (19%)
  • Dark, street lights lit42 (5.2%)
  • Dark, lighting unknown11 (1.4%)
  • Dark, street lights unlit1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A499 crashes

On the A499, 70% of collisions happened where the speed limit was 60 mph and 61% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.1%)
  • 30 mph139 (17%)
  • 40 mph27 (3.3%)
  • 50 mph24 (3%)
  • 60 mph570 (70%)
  • 70 mph49 (6%)

Weather at the time

  • Fine, no high winds597 (74%)
  • Raining, no high winds132 (16%)
  • Raining with high winds29 (3.6%)
  • Fine with high winds14 (1.7%)
  • Other33 (4.1%)
  • Not recorded5 (0.6%)

Road surface

  • Dry497 (61%)
  • Wet or damp291 (36%)
  • Frost or ice10 (1.2%)
  • Flood over 3cm deep6 (0.7%)
  • Snow6 (0.7%)

Type of road

  • Single carriageway772 (95%)
  • Roundabout14 (1.7%)
  • Dual carriageway13 (1.6%)
  • One way street or slip road9 (1.1%)
  • Not recorded2 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A499 crashes

Car occupants make up 80% of the people killed or injured on the A499, followed by pedestrians (6.2%).

Casualties by road user

  • Car occupant1,111 (80%)
  • Pedestrian86 (6.2%)
  • Motorcyclist72 (5.2%)
  • Van occupant32 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)24 (1.7%)
  • Cyclist19 (1.4%)
  • Other vehicle occupant13 (0.9%)
  • Other30 (2.2%)

Vehicles involved

  • Car1,270 (83%)
  • Goods vehicle over 3.5 tonnes65 (4.2%)
  • Motorcycle63 (4.1%)
  • Van or goods vehicle up to 3.5 tonnes58 (3.8%)
  • Bus or coach20 (1.3%)
  • Pedal cycle19 (1.2%)
  • Other vehicle17 (1.1%)
  • Other23 (1.5%)

Casualties by age

  • 0 to 529 (2.1%)
  • 6 to 1048 (3.5%)
  • 11 to 1572 (5.2%)
  • 16 to 20296 (21%)
  • 21 to 25168 (12%)
  • 26 to 35208 (15%)
  • 36 to 45158 (11%)
  • 46 to 55134 (9.7%)
  • 56 to 65115 (8.3%)
  • 66 to 75104 (7.5%)
  • Over 7553 (3.8%)
  • Not recorded2 (0.1%)

Drivers, passengers and pedestrians

  • Driver or rider748 (54%)
  • Passenger553 (40%)
  • Pedestrian86 (6.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A499

Map of the 25 most recent crashes on the A499

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A499 crashes by council area

Of the 810 collisions on the A499, 800 were in Gwynedd.

Collisions on the A499 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stGwynedd8001,36935202

A499 crashes by town

Of the 810 collisions on the A499, 38 were in the built-up area of Pwllheli.

Recent crashes on the A499

These are the 25 most recent collisions on the A499, from 15 August 2021 to 18 October 2025.

Severity