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CrashStats

B840 accidents: crash map and statistics

Police recorded 78 collisions on the B840 from 1979 to 2025, with 127 casualties. Of those crashes, 1 was fatal and 21 serious, and 1 person was killed.

In 2025 there was 1 collision on the B840, level with 2024, with 1 casualty.

Collisions since 1979
78
4,263rd highest of 4,923 roads
Casualties
127
1.63 per collision
Fatal collisions
1
1 person killed
Serious collisions
21
24 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
1
Level with 2024

Crash severity on the B840

On the B840, 1.3% of collisions were fatal and 27% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal11.3%
  • Serious2127%
  • Slight5672%

Where the B840 ranks among 4,923 roads

Most collisions
4,263rd
Most casualties
4,095th
Most fatal collisions
3,933rd
Most serious collisions
3,992nd

B840 accidents by year

Collisions on the B840 peaked at 6 in 1987 and were down to 1 in 2025.

Collisions and casualties on the B840, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202411
202300
202200
202100
202000
201900
201800
201700
201611
201511
201400
201312
201233
201111
201033
200911
200837
200712
200600
200522
200444
200311
200211
200128
200045
199923
199812
199711
199626
199547
199434
199322
199200
1991512
1990210
198913
198823
1987611
198611
198512
198411
198355
198211
198122
198022
197935

When crashes happen on the B840

Thursday has the most collisions on the B840 (19), and 3pm to 6pm is the busiest time of day (25).

Collisions by day of the week

  • Monday9 (12%)
  • Tuesday7 (9%)
  • Wednesday10 (13%)
  • Thursday19 (24%)
  • Friday9 (12%)
  • Saturday17 (22%)
  • Sunday7 (9%)

Collisions by time of day

  • Midnight to 3am3 (3.8%)
  • 3am to 6am0 (0%)
  • 6am to 9am6 (7.7%)
  • 9am to noon15 (19%)
  • Noon to 3pm16 (21%)
  • 3pm to 6pm25 (32%)
  • 6pm to 9pm7 (9%)
  • 9pm to midnight6 (7.7%)

Collisions by month

  • January4 (5.1%)
  • February5 (6.4%)
  • March8 (10%)
  • April1 (1.3%)
  • May4 (5.1%)
  • June5 (6.4%)
  • July10 (13%)
  • August9 (12%)
  • September14 (18%)
  • October5 (6.4%)
  • November6 (7.7%)
  • December7 (9%)

Light conditions at the time

  • Daylight65 (83%)
  • Dark, no street lighting11 (14%)
  • Dark, lighting unknown1 (1.3%)
  • Dark, street lights unlit1 (1.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B840 crashes

On the B840, 94% of collisions happened where the speed limit was 60 mph and 56% on a wet or damp road surface.

Speed limit at the scene

  • 30 mph3 (3.8%)
  • 50 mph2 (2.6%)
  • 60 mph73 (94%)

Weather at the time

  • Fine, no high winds46 (59%)
  • Raining, no high winds22 (28%)
  • Raining with high winds4 (5.1%)
  • Snowing, no high winds2 (2.6%)
  • Other2 (2.6%)
  • Not recorded2 (2.6%)

Road surface

  • Wet or damp44 (56%)
  • Dry26 (33%)
  • Frost or ice5 (6.4%)
  • Snow3 (3.8%)

Type of road

  • Single carriageway76 (97%)
  • Dual carriageway2 (2.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B840 crashes

Car occupants make up 83% of the people killed or injured on the B840, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant105 (83%)
  • Motorcyclist15 (12%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (1.6%)
  • Pedestrian2 (1.6%)
  • Bus or coach occupant1 (0.8%)
  • Cyclist1 (0.8%)
  • Other vehicle occupant1 (0.8%)

Vehicles involved

  • Car99 (76%)
  • Motorcycle13 (10%)
  • Goods vehicle over 3.5 tonnes7 (5.4%)
  • Van or goods vehicle up to 3.5 tonnes6 (4.6%)
  • Bus or coach2 (1.5%)
  • Other vehicle2 (1.5%)
  • Pedal cycle1 (0.8%)

Casualties by age

  • 0 to 55 (3.9%)
  • 6 to 106 (4.7%)
  • 11 to 153 (2.4%)
  • 16 to 2016 (13%)
  • 21 to 2516 (13%)
  • 26 to 3517 (13%)
  • 36 to 4522 (17%)
  • 46 to 5518 (14%)
  • 56 to 6512 (9.4%)
  • 66 to 757 (5.5%)
  • Over 755 (3.9%)

Drivers, passengers and pedestrians

  • Passenger70 (55%)
  • Driver or rider55 (43%)
  • Pedestrian2 (1.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B840

Map of the 25 most recent crashes on the B840

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

  • 25 crashes
  • Serious
  • Slight

B840 crashes by council area

Of the 78 collisions on the B840, 75 were in Argyll and Bute.

Collisions on the B840 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stArgyll and Bute75124120

Recent crashes on the B840

These are the 25 most recent collisions on the B840, from 2 January 2002 to 12 May 2025.

Severity