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CrashStats

A497 accidents: crash map and statistics

Police recorded 666 collisions on the A497 from 1979 to 2025, with 1,047 casualties. Of those crashes, 17 were fatal and 162 serious, and 18 people were killed.

In 2025 there were 6 collisions on the A497, up 50% from 4 in 2024, with 13 casualties.

Collisions since 1979
666
1,563rd highest of 4,923 roads
Casualties
1,047
1.57 per collision
Fatal collisions
17
18 people killed
Serious collisions
162
215 seriously injured
Collisions in 2025
6
Up 50% on 2024
Casualties in 2025
13
Up 160% on 2024

Crash severity on the A497

On the A497, 2.6% of collisions were fatal and 24% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal172.6%
  • Serious16224%
  • Slight48773%

Where the A497 ranks among 4,923 roads

Most collisions
1,563rd
Most casualties
1,380th
Most fatal collisions
1,125th
Most serious collisions
1,286th

A497 accidents by year

Collisions on the A497 peaked at 24 in 1991 and were down to 6 in 2025.

Collisions and casualties on the A497, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025613
202445
202389
2022814
202145
202056
201977
2018819
2017611
201634
20151426
20141216
20131419
20121317
20111216
20101418
2009711
20081114
2007816
20061118
20051418
20041214
20031929
20021221
20011418
20001524
19992225
19981742
19971625
19961831
19951931
19942034
19932036
19921731
19912444
19901938
19891732
19881832
19872432
19861922
19852230
19841927
19831426
19822030
19811424
19802234
19792433

When crashes happen on the A497

Friday has the most collisions on the A497 (115), and 3pm to 6pm is the busiest time of day (168).

Collisions by day of the week

  • Monday82 (12%)
  • Tuesday79 (12%)
  • Wednesday85 (13%)
  • Thursday97 (15%)
  • Friday115 (17%)
  • Saturday110 (17%)
  • Sunday98 (15%)

Collisions by time of day

  • Midnight to 3am27 (4.1%)
  • 3am to 6am10 (1.5%)
  • 6am to 9am48 (7.2%)
  • 9am to noon117 (18%)
  • Noon to 3pm131 (20%)
  • 3pm to 6pm168 (25%)
  • 6pm to 9pm87 (13%)
  • 9pm to midnight78 (12%)

Collisions by month

  • January50 (7.5%)
  • February40 (6%)
  • March52 (7.8%)
  • April56 (8.4%)
  • May60 (9%)
  • June62 (9.3%)
  • July71 (11%)
  • August82 (12%)
  • September52 (7.8%)
  • October54 (8.1%)
  • November43 (6.5%)
  • December44 (6.6%)

Light conditions at the time

  • Daylight502 (75%)
  • Dark, no street lighting116 (17%)
  • Dark, street lights lit40 (6%)
  • Dark, lighting unknown7 (1.1%)
  • Dark, street lights unlit1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A497 crashes

On the A497, 62% of collisions happened where the speed limit was 60 mph and 55% on a dry road surface.

Speed limit at the scene

  • 20 mph5 (0.8%)
  • 30 mph180 (27%)
  • 40 mph32 (4.8%)
  • 50 mph3 (0.5%)
  • 60 mph410 (62%)
  • 70 mph36 (5.4%)

Weather at the time

  • Fine, no high winds481 (72%)
  • Raining, no high winds120 (18%)
  • Raining with high winds22 (3.3%)
  • Fine with high winds10 (1.5%)
  • Other30 (4.5%)
  • Not recorded3 (0.5%)

Road surface

  • Dry364 (55%)
  • Wet or damp278 (42%)
  • Frost or ice15 (2.3%)
  • Snow6 (0.9%)
  • Flood over 3cm deep2 (0.3%)
  • Mud1 (0.2%)

Type of road

  • Single carriageway630 (95%)
  • Roundabout28 (4.2%)
  • Dual carriageway5 (0.8%)
  • One way street or slip road1 (0.2%)
  • Not recorded2 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A497 crashes

Car occupants make up 77% of the people killed or injured on the A497, followed by pedestrians (8.9%).

Casualties by road user

  • Car occupant810 (77%)
  • Pedestrian93 (8.9%)
  • Motorcyclist52 (5%)
  • Cyclist31 (3%)
  • Van occupant23 (2.2%)
  • Goods vehicle occupant (over 3.5 tonnes)10 (1%)
  • Minibus occupant10 (1%)
  • Other18 (1.7%)

Vehicles involved

  • Car921 (80%)
  • Motorcycle50 (4.4%)
  • Van or goods vehicle up to 3.5 tonnes47 (4.1%)
  • Goods vehicle over 3.5 tonnes39 (3.4%)
  • Pedal cycle32 (2.8%)
  • Bus or coach24 (2.1%)
  • Minibus12 (1%)
  • Other21 (1.8%)

Casualties by age

  • 0 to 523 (2.2%)
  • 6 to 1040 (3.8%)
  • 11 to 1560 (5.7%)
  • 16 to 20225 (21%)
  • 21 to 25118 (11%)
  • 26 to 35178 (17%)
  • 36 to 45121 (12%)
  • 46 to 5590 (8.6%)
  • 56 to 6578 (7.4%)
  • 66 to 7570 (6.7%)
  • Over 7544 (4.2%)

Drivers, passengers and pedestrians

  • Driver or rider577 (55%)
  • Passenger377 (36%)
  • Pedestrian93 (8.9%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A497

Map of the 25 most recent crashes on the A497

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

  • 25 crashes
  • Serious
  • Slight

A497 crashes by council area

Of the 666 collisions on the A497, 663 were in Gwynedd.

Collisions on the A497 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stGwynedd6631,04016162

A497 crashes by town

Collisions on the A497 were recorded in 2 towns and built-up areas, led by Pwllheli (65) and Porthmadog (29).

Recent crashes on the A497

These are the 25 most recent collisions on the A497, from 16 April 2022 to 19 August 2025.

Severity