Skip to main content
CrashStats

A3121 accidents: crash map and statistics

Police recorded 111 collisions on the A3121 from 1992 to 2025, with 163 casualties. Of those crashes, 1 was fatal and 19 serious, and 1 person was killed.

In 2025 there were 2 collisions on the A3121, down 33% from 3 in 2024, with 2 casualties.

Collisions since 1992
111
3,929th highest of 4,923 roads
Casualties
163
1.47 per collision
Fatal collisions
1
1 person killed
Serious collisions
19
22 seriously injured
Collisions in 2025
2
Down 33% on 2024
Casualties in 2025
2
Down 50% on 2024

Crash severity on the A3121

On the A3121, 0.9% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1992 to 2025

  • Fatal10.9%
  • Serious1917%
  • Slight9182%

Where the A3121 ranks among 4,923 roads

Most collisions
3,929th
Most casualties
3,845th
Most fatal collisions
3,933rd
Most serious collisions
4,084th

A3121 accidents by year

Collisions on the A3121 peaked at 6 in 2017 and were down to 2 in 2025.

Collisions and casualties on the A3121, 1992 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202522
202434
202322
202200
202124
202025
201923
201823
2017612
201644
201557
2014612
2013610
2012511
201122
201047
200911
200835
200733
200611
200546
200433
200358
200244
200122
200045
199966
199835
199745
199622
199557
199436
199345
199211

When crashes happen on the A3121

Friday has the most collisions on the A3121 (22), and 3pm to 6pm is the busiest time of day (33).

Collisions by day of the week

  • Monday14 (13%)
  • Tuesday16 (14%)
  • Wednesday18 (16%)
  • Thursday21 (19%)
  • Friday22 (20%)
  • Saturday9 (8.1%)
  • Sunday11 (9.9%)

Collisions by time of day

  • Midnight to 3am1 (0.9%)
  • 3am to 6am2 (1.8%)
  • 6am to 9am14 (13%)
  • 9am to noon22 (20%)
  • Noon to 3pm22 (20%)
  • 3pm to 6pm33 (30%)
  • 6pm to 9pm13 (12%)
  • 9pm to midnight4 (3.6%)

Collisions by month

  • January9 (8.1%)
  • February8 (7.2%)
  • March6 (5.4%)
  • April11 (9.9%)
  • May11 (9.9%)
  • June9 (8.1%)
  • July9 (8.1%)
  • August11 (9.9%)
  • September8 (7.2%)
  • October14 (13%)
  • November8 (7.2%)
  • December7 (6.3%)

Light conditions at the time

  • Daylight95 (86%)
  • Dark, no street lighting15 (14%)
  • Dark, street lights lit1 (0.9%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A3121 crashes

On the A3121, 77% of collisions happened where the speed limit was 60 mph and 57% on a dry road surface.

Speed limit at the scene

  • 30 mph14 (13%)
  • 40 mph9 (8.1%)
  • 60 mph86 (77%)
  • 70 mph2 (1.8%)

Weather at the time

  • Fine, no high winds91 (82%)
  • Raining, no high winds18 (16%)
  • Raining with high winds1 (0.9%)
  • Other1 (0.9%)

Road surface

  • Dry63 (57%)
  • Wet or damp43 (39%)
  • Frost or ice5 (4.5%)

Type of road

  • Single carriageway105 (95%)
  • Dual carriageway4 (3.6%)
  • One way street or slip road1 (0.9%)
  • Not recorded1 (0.9%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A3121 crashes

Car occupants make up 78% of the people killed or injured on the A3121, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant127 (78%)
  • Motorcyclist20 (12%)
  • Cyclist9 (5.5%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (1.8%)
  • Agricultural vehicle occupant1 (0.6%)
  • Minibus occupant1 (0.6%)
  • Pedestrian1 (0.6%)
  • Van occupant1 (0.6%)

Vehicles involved

  • Car158 (77%)
  • Motorcycle21 (10%)
  • Pedal cycle9 (4.4%)
  • Van or goods vehicle up to 3.5 tonnes8 (3.9%)
  • Agricultural vehicle3 (1.5%)
  • Bus or coach2 (1%)
  • Goods vehicle over 3.5 tonnes2 (1%)
  • Minibus1 (0.5%)

Casualties by age

  • 0 to 51 (0.6%)
  • 6 to 102 (1.2%)
  • 11 to 154 (2.5%)
  • 16 to 2014 (8.6%)
  • 21 to 2517 (10%)
  • 26 to 3533 (20%)
  • 36 to 4528 (17%)
  • 46 to 5530 (18%)
  • 56 to 6513 (8%)
  • 66 to 7514 (8.6%)
  • Over 753 (1.8%)
  • Not recorded4 (2.5%)

Drivers, passengers and pedestrians

  • Driver or rider126 (77%)
  • Passenger36 (22%)
  • Pedestrian1 (0.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A3121

Map of the 25 most recent crashes on the A3121

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

  • 25 crashes
  • Serious
  • Slight

A3121 crashes by council area

Of the 111 collisions on the A3121, 110 were in South Hams.

Collisions on the A3121 in each area, 1992 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouth Hams110162119

Recent crashes on the A3121

These are the 25 most recent collisions on the A3121, from 15 January 2016 to 14 August 2025.

Severity