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CrashStats

A831 accidents: crash map and statistics

Collisions since 1979
105
3,985th highest of 4,923 roads
Casualties
173
1.65 per collision
Fatal collisions
5
8 people killed
Serious collisions
41
65 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
2
Up 100% on 2024

Crash severity on the A831

On the A831, 4.8% of collisions were fatal and 39% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal54.8%
  • Serious4139%
  • Slight5956%

Where the A831 ranks among 4,923 roads

Most collisions
3,985th
Most casualties
3,784th
Most fatal collisions
2,545th
Most serious collisions
3,235th

A831 accidents by year

Collisions on the A831 peaked at 7 in 1992 and were down to 1 in 2025.

Collisions and casualties on the A831, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202512
202411
202300
202200
202100
202011
201913
201811
201711
201623
201523
201424
201323
201247
201111
201000
200911
200834
200722
200623
200523
200447
200311
200255
200100
200011
199933
199848
199724
199622
199523
199423
1993613
1992715
199111
199024
198958
198823
198746
198612
198546
198411
198300
198223
1981614
1980715
197922

When crashes happen on the A831

Friday has the most collisions on the A831 (21), and 3pm to 6pm is the busiest time of day (22).

Collisions by day of the week

  • Monday14 (13%)
  • Tuesday18 (17%)
  • Wednesday7 (6.7%)
  • Thursday12 (11%)
  • Friday21 (20%)
  • Saturday17 (16%)
  • Sunday16 (15%)

Collisions by time of day

  • Midnight to 3am5 (4.8%)
  • 3am to 6am1 (1%)
  • 6am to 9am14 (13%)
  • 9am to noon21 (20%)
  • Noon to 3pm11 (10%)
  • 3pm to 6pm22 (21%)
  • 6pm to 9pm16 (15%)
  • 9pm to midnight15 (14%)

Collisions by month

  • January4 (3.8%)
  • February10 (9.5%)
  • March5 (4.8%)
  • April8 (7.6%)
  • May8 (7.6%)
  • June13 (12%)
  • July12 (11%)
  • August12 (11%)
  • September8 (7.6%)
  • October6 (5.7%)
  • November11 (10%)
  • December8 (7.6%)

Light conditions at the time

  • Daylight76 (72%)
  • Dark, no street lighting26 (25%)
  • Dark, lighting unknown2 (1.9%)
  • Dark, street lights lit1 (1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A831 crashes

On the A831, 92% of collisions happened where the speed limit was 60 mph and 54% on a dry road surface.

Speed limit at the scene

  • 30 mph3 (2.9%)
  • 40 mph3 (2.9%)
  • 50 mph1 (1%)
  • 60 mph97 (92%)
  • 70 mph1 (1%)

Weather at the time

  • Fine, no high winds77 (73%)
  • Raining, no high winds21 (20%)
  • Fine with high winds1 (1%)
  • Snowing, no high winds1 (1%)
  • Other5 (4.8%)

Road surface

  • Dry57 (54%)
  • Wet or damp38 (36%)
  • Frost or ice7 (6.7%)
  • Snow3 (2.9%)

Type of road

  • Single carriageway103 (98%)
  • Dual carriageway1 (1%)
  • Not recorded1 (1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A831 crashes

Car occupants make up 76% of the people killed or injured on the A831, followed by motorcyclists (6.4%).

Casualties by road user

  • Car occupant131 (76%)
  • Motorcyclist11 (6.4%)
  • Pedestrian9 (5.2%)
  • Van occupant7 (4%)
  • Cyclist4 (2.3%)
  • Other vehicle occupant4 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (1.7%)
  • Other4 (2.3%)

Vehicles involved

  • Car108 (73%)
  • Van or goods vehicle up to 3.5 tonnes12 (8.2%)
  • Motorcycle10 (6.8%)
  • Goods vehicle over 3.5 tonnes5 (3.4%)
  • Other vehicle4 (2.7%)
  • Pedal cycle4 (2.7%)
  • Goods vehicle, weight unknown2 (1.4%)
  • Other2 (1.4%)

Casualties by age

  • 0 to 51 (0.6%)
  • 6 to 102 (1.2%)
  • 11 to 156 (3.5%)
  • 16 to 2035 (20%)
  • 21 to 2531 (18%)
  • 26 to 3523 (13%)
  • 36 to 4524 (14%)
  • 46 to 5516 (9.2%)
  • 56 to 6522 (13%)
  • 66 to 7511 (6.4%)
  • Over 751 (0.6%)
  • Not recorded1 (0.6%)

Drivers, passengers and pedestrians

  • Driver or rider100 (58%)
  • Passenger64 (37%)
  • Pedestrian9 (5.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A831

Map of the 25 most recent crashes on the A831

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A831 crashes by council area

Of the 105 collisions on the A831, 104 were in Highland.

Collisions on the A831 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHighland104172541

Recent crashes on the A831

These are the 25 most recent collisions on the A831, from 4 February 2007 to 29 June 2025.

Severity