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CrashStats

B814 accidents: crash map and statistics

Police recorded 76 collisions on the B814 from 1979 to 2025, with 98 casualties. Of those crashes, 1 was fatal and 8 serious, and 1 person was killed.

In 2025 there were 3 collisions on the B814, up from none in 2024, with 7 casualties.

Collisions since 1979
76
4,284th highest of 4,923 roads
Casualties
98
1.29 per collision
Fatal collisions
1
1 person killed
Serious collisions
8
11 seriously injured
Collisions in 2025
3
Up from none in 2024
Casualties in 2025
7
Up from none in 2024

Crash severity on the B814

On the B814, 1.3% of collisions were fatal and 11% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal11.3%
  • Serious811%
  • Slight6788%

Where the B814 ranks among 4,923 roads

Most collisions
4,284th
Most casualties
4,324th
Most fatal collisions
3,933rd
Most serious collisions
4,719th

B814 accidents by year

Collisions on the B814 peaked at 6 in 2006 and were down to 3 in 2025.

Collisions and casualties on the B814, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202537
202400
202300
202211
202100
202000
201900
201800
201700
201611
201524
201444
201311
201214
201145
201000
200944
200811
200722
200667
200523
200411
200344
200211
200111
200044
199911
199846
199746
199611
199522
199411
199311
199233
199112
199000
198924
198812
198700
198600
198500
198400
198311
198222
198144
198046
197911

When crashes happen on the B814

Monday has the most collisions on the B814 (16), and 3pm to 6pm is the busiest time of day (17).

Collisions by day of the week

  • Monday16 (21%)
  • Tuesday12 (16%)
  • Wednesday9 (12%)
  • Thursday8 (11%)
  • Friday15 (20%)
  • Saturday8 (11%)
  • Sunday8 (11%)

Collisions by time of day

  • Midnight to 3am4 (5.3%)
  • 3am to 6am1 (1.3%)
  • 6am to 9am13 (17%)
  • 9am to noon8 (11%)
  • Noon to 3pm13 (17%)
  • 3pm to 6pm17 (22%)
  • 6pm to 9pm13 (17%)
  • 9pm to midnight7 (9.2%)

Collisions by month

  • January4 (5.3%)
  • February6 (7.9%)
  • March8 (11%)
  • April6 (7.9%)
  • May10 (13%)
  • June5 (6.6%)
  • July6 (7.9%)
  • August7 (9.2%)
  • September5 (6.6%)
  • October5 (6.6%)
  • November8 (11%)
  • December6 (7.9%)

Light conditions at the time

  • Daylight51 (67%)
  • Dark, street lights lit20 (26%)
  • Dark, no street lighting2 (2.6%)
  • Dark, street lights unlit2 (2.6%)
  • Dark, lighting unknown1 (1.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B814 crashes

On the B814, 93% of collisions happened where the speed limit was 30 mph and 54% on a dry road surface.

Speed limit at the scene

  • 30 mph71 (93%)
  • 50 mph2 (2.6%)
  • 60 mph3 (3.9%)

Weather at the time

  • Fine, no high winds48 (63%)
  • Raining, no high winds18 (24%)
  • Fine with high winds2 (2.6%)
  • Raining with high winds2 (2.6%)
  • Other4 (5.3%)
  • Not recorded2 (2.6%)

Road surface

  • Dry41 (54%)
  • Wet or damp29 (38%)
  • Frost or ice3 (3.9%)
  • Snow3 (3.9%)

Type of road

  • Single carriageway68 (89%)
  • Dual carriageway6 (7.9%)
  • Roundabout2 (2.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B814 crashes

Car occupants make up 63% of the people killed or injured on the B814, followed by pedestrians (17%).

Casualties by road user

  • Car occupant62 (63%)
  • Pedestrian17 (17%)
  • Bus or coach occupant5 (5.1%)
  • Cyclist5 (5.1%)
  • Motorcyclist5 (5.1%)
  • Taxi or private hire car occupant3 (3.1%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (1%)

Vehicles involved

  • Car108 (78%)
  • Bus or coach8 (5.8%)
  • Motorcycle5 (3.6%)
  • Pedal cycle5 (3.6%)
  • Taxi or private hire car5 (3.6%)
  • Van or goods vehicle up to 3.5 tonnes4 (2.9%)
  • Goods vehicle over 3.5 tonnes3 (2.2%)

Casualties by age

  • 0 to 52 (2%)
  • 6 to 109 (9.2%)
  • 11 to 157 (7.1%)
  • 16 to 2012 (12%)
  • 21 to 259 (9.2%)
  • 26 to 3518 (18%)
  • 36 to 4515 (15%)
  • 46 to 5510 (10%)
  • 56 to 656 (6.1%)
  • 66 to 754 (4.1%)
  • Over 756 (6.1%)

Drivers, passengers and pedestrians

  • Driver or rider51 (52%)
  • Passenger30 (31%)
  • Pedestrian17 (17%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B814

Map of the 25 most recent crashes on the B814

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

  • 25 crashes
  • Serious
  • Slight

B814 crashes by council area

Collisions on the B814 were recorded in 2 council areas. West Dunbartonshire has the most, with 68, followed by Glasgow City (4).

Collisions on the B814 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWest Dunbartonshire688717
2ndGlasgow City4600

B814 crashes by town

Collisions on the B814 were recorded in 2 towns and built-up areas, led by Clydebank (64) and Glasgow (3).

Recent crashes on the B814

These are the 25 most recent collisions on the B814, from 13 November 2006 to 28 July 2025.

Severity