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CrashStats

A811 accidents: crash map and statistics

Police recorded 1,373 collisions on the A811 from 1979 to 2025, with 2,017 casualties. Of those crashes, 63 were fatal and 443 serious, and 69 people were killed.

In 2025 there were 9 collisions on the A811, up 50% from 6 in 2024, with 13 casualties.

Collisions since 1979
1,373
809th highest of 4,923 roads
Casualties
2,017
1.47 per collision
Fatal collisions
63
69 people killed
Serious collisions
443
589 seriously injured
Collisions in 2025
9
Up 50% on 2024
Casualties in 2025
13
Up 18% on 2024

Crash severity on the A811

On the A811, 4.6% of collisions were fatal and 32% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal634.6%
  • Serious44332%
  • Slight86763%

Where the A811 ranks among 4,923 roads

Most collisions
809th
Most casualties
743rd
Most fatal collisions
328th
Most serious collisions
487th

A811 accidents by year

Collisions on the A811 peaked at 50 in 1990 and were down to 9 in 2025.

Collisions and casualties on the A811, 1979 to 2025

  • Collisions
  • Collisions in 2025: 9
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025913
2024611
20231013
20221123
202157
202056
2019910
20181418
20171018
20161829
20151830
20141313
20131926
20122124
20112743
20102636
20092734
20082028
20073234
20063758
20053552
20044571
20034873
20024061
20013949
20002939
19993447
19984255
19974251
19963254
19953869
19943141
19933550
19924257
19913953
19905074
19894779
19883560
19874572
19863548
19852444
19844266
19832937
19824666
19812952
19804571
19793852

When crashes happen on the A811

Saturday has the most collisions on the A811 (209), and 3pm to 6pm is the busiest time of day (345).

Collisions by day of the week

  • Monday177 (13%)
  • Tuesday196 (14%)
  • Wednesday184 (13%)
  • Thursday197 (14%)
  • Friday201 (15%)
  • Saturday209 (15%)
  • Sunday209 (15%)

Collisions by time of day

  • Midnight to 3am60 (4.4%)
  • 3am to 6am25 (1.8%)
  • 6am to 9am165 (12%)
  • 9am to noon180 (13%)
  • Noon to 3pm235 (17%)
  • 3pm to 6pm345 (25%)
  • 6pm to 9pm221 (16%)
  • 9pm to midnight142 (10%)

Collisions by month

  • January95 (6.9%)
  • February105 (7.6%)
  • March91 (6.6%)
  • April104 (7.6%)
  • May124 (9%)
  • June133 (9.7%)
  • July143 (10%)
  • August117 (8.5%)
  • September114 (8.3%)
  • October104 (7.6%)
  • November106 (7.7%)
  • December137 (10%)

Light conditions at the time

  • Daylight941 (69%)
  • Dark, no street lighting313 (23%)
  • Dark, street lights lit108 (7.9%)
  • Dark, lighting unknown9 (0.7%)
  • Dark, street lights unlit2 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A811 crashes

On the A811, 68% of collisions happened where the speed limit was 60 mph and 49% on a dry road surface.

Speed limit at the scene

  • 30 mph283 (21%)
  • 40 mph112 (8.2%)
  • 50 mph12 (0.9%)
  • 60 mph937 (68%)
  • 70 mph29 (2.1%)

Weather at the time

  • Fine, no high winds908 (66%)
  • Raining, no high winds294 (21%)
  • Raining with high winds48 (3.5%)
  • Fine with high winds30 (2.2%)
  • Other86 (6.3%)
  • Not recorded7 (0.5%)

Road surface

  • Dry674 (49%)
  • Wet or damp608 (44%)
  • Frost or ice58 (4.2%)
  • Snow24 (1.7%)
  • Flood over 3cm deep9 (0.7%)

Type of road

  • Single carriageway1,253 (91%)
  • Roundabout67 (4.9%)
  • Dual carriageway38 (2.8%)
  • One way street or slip road13 (0.9%)
  • Not recorded2 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A811 crashes

Car occupants make up 72% of the people killed or injured on the A811, followed by motorcyclists (7.9%).

Casualties by road user

  • Car occupant1,461 (72%)
  • Motorcyclist159 (7.9%)
  • Pedestrian151 (7.5%)
  • Van occupant80 (4%)
  • Cyclist64 (3.2%)
  • Goods vehicle occupant (over 3.5 tonnes)28 (1.4%)
  • Minibus occupant24 (1.2%)
  • Other50 (2.5%)

Vehicles involved

  • Car1,791 (76%)
  • Motorcycle149 (6.3%)
  • Van or goods vehicle up to 3.5 tonnes133 (5.6%)
  • Goods vehicle over 3.5 tonnes111 (4.7%)
  • Pedal cycle68 (2.9%)
  • Other vehicle42 (1.8%)
  • Other76 (3.2%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 540 (2%)
  • 6 to 1046 (2.3%)
  • 11 to 1563 (3.1%)
  • 16 to 20325 (16%)
  • 21 to 25278 (14%)
  • 26 to 35388 (19%)
  • 36 to 45270 (13%)
  • 46 to 55237 (12%)
  • 56 to 65192 (9.5%)
  • 66 to 75118 (5.9%)
  • Over 7559 (2.9%)
  • Not recorded1 (under 0.1%)

Drivers, passengers and pedestrians

  • Driver or rider1,204 (60%)
  • Passenger662 (33%)
  • Pedestrian151 (7.5%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A811

Map of the 25 most recent crashes on the A811

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A811 crashes by council area

Collisions on the A811 were recorded in 3 council areas. Stirling has the most, with 796, followed by West Dunbartonshire (562) and Argyll and Bute (3).

Collisions on the A811 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stStirling7961,16947284
2ndWest Dunbartonshire56282016153
3rdArgyll and Bute3501

A811 crashes by town

Collisions on the A811 were recorded in 5 towns and built-up areas, led by Stirling (101) and Balloch (59).

Recent crashes on the A811

These are the 25 most recent collisions on the A811, from 20 January 2023 to 27 December 2025.

Severity