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CrashStats

B831 accidents: crash map and statistics

Collisions since 1979
52
4,575th highest of 4,923 roads
Casualties
81
1.56 per collision
Fatal collisions
1
1 person killed
Serious collisions
17
22 seriously injured
Last recorded collision
2 May 2008
Busiest year
1979
8 collisions

Crash severity on the B831

On the B831, 1.9% of collisions were fatal and 33% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2008

  • Fatal11.9%
  • Serious1733%
  • Slight3465%

Where the B831 ranks among 4,923 roads

Most collisions
4,575th
Most casualties
4,467th
Most fatal collisions
3,933rd
Most serious collisions
4,187th

B831 accidents by year

Collisions on the B831 peaked at 8 in 1979, and none have been recorded since 2008.

Collisions and casualties on the B831, 1979 to 2008

  • Collisions
  • Collisions in 2008: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
200811
200700
200600
200523
200411
200314
200200
200122
200033
199911
199811
199711
199600
199523
199400
199322
199235
199111
199026
198938
198811
198734
198611
198522
198412
198369
198235
198100
198011
1979814

When crashes happen on the B831

Tuesday has the most collisions on the B831 (9), and 3pm to 6pm is the busiest time of day (12).

Collisions by day of the week

  • Monday7 (13%)
  • Tuesday9 (17%)
  • Wednesday9 (17%)
  • Thursday7 (13%)
  • Friday9 (17%)
  • Saturday4 (7.7%)
  • Sunday7 (13%)

Collisions by time of day

  • Midnight to 3am3 (5.8%)
  • 3am to 6am0 (0%)
  • 6am to 9am6 (12%)
  • 9am to noon7 (13%)
  • Noon to 3pm8 (15%)
  • 3pm to 6pm12 (23%)
  • 6pm to 9pm8 (15%)
  • 9pm to midnight8 (15%)

Collisions by month

  • January2 (3.8%)
  • February4 (7.7%)
  • March6 (12%)
  • April4 (7.7%)
  • May6 (12%)
  • June1 (1.9%)
  • July6 (12%)
  • August9 (17%)
  • September3 (5.8%)
  • October6 (12%)
  • November2 (3.8%)
  • December3 (5.8%)

Light conditions at the time

  • Daylight35 (67%)
  • Dark, no street lighting16 (31%)
  • Dark, street lights unlit1 (1.9%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B831 crashes

On the B831, 90% of collisions happened where the speed limit was 60 mph and 50% on a dry road surface.

Speed limit at the scene

  • 30 mph1 (1.9%)
  • 50 mph2 (3.8%)
  • 60 mph47 (90%)
  • 70 mph2 (3.8%)

Weather at the time

  • Fine, no high winds33 (63%)
  • Raining, no high winds9 (17%)
  • Raining with high winds2 (3.8%)
  • Snowing, no high winds2 (3.8%)
  • Fine with high winds1 (1.9%)
  • Other5 (9.6%)

Road surface

  • Dry26 (50%)
  • Wet or damp20 (38%)
  • Frost or ice4 (7.7%)
  • Snow2 (3.8%)

Type of road

  • Single carriageway51 (98%)
  • Dual carriageway1 (1.9%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B831 crashes

Car occupants make up 75% of the people killed or injured on the B831, followed by motorcyclists (14%).

Casualties by road user

  • Car occupant61 (75%)
  • Motorcyclist11 (14%)
  • Van occupant3 (3.7%)
  • Cyclist2 (2.5%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (2.5%)
  • Other vehicle occupant2 (2.5%)

Vehicles involved

  • Car60 (75%)
  • Motorcycle9 (11%)
  • Goods vehicle over 3.5 tonnes4 (5%)
  • Van or goods vehicle up to 3.5 tonnes4 (5%)
  • Pedal cycle2 (2.5%)
  • Other vehicle1 (1.3%)

Casualties by age

  • 0 to 52 (2.5%)
  • 11 to 151 (1.2%)
  • 16 to 2015 (19%)
  • 21 to 2521 (26%)
  • 26 to 3518 (22%)
  • 36 to 4512 (15%)
  • 46 to 558 (9.9%)
  • 56 to 654 (4.9%)

Drivers, passengers and pedestrians

  • Driver or rider50 (62%)
  • Passenger31 (38%)

Source: Department for Transport, STATS19 road safety data

Map of the latest recorded crashes on the B831

Map of the 25 latest recorded crashes on the B831

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B831 crashes by council area

Collisions on the B831 were recorded in 2 council areas. Argyll and Bute has the most, with 44, followed by West Dunbartonshire (8).

Collisions on the B831 in each area, 1979 to 2008
RankAreaCollisionsCasualtiesFatalSerious
1stArgyll and Bute4467113
2ndWest Dunbartonshire81404

Latest recorded crashes on the B831

These are the 25 latest recorded collisions on the B831, from 1 July 1989 to 2 May 2008.

Severity