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CrashStats

A5100 accidents: crash map and statistics

Police recorded 1,579 collisions on the A5100 from 1979 to 2025, with 1,797 casualties. Of those crashes, 7 were fatal and 164 serious, and 7 people were killed.

In 2025 there were 27 collisions on the A5100, up 108% from 13 in 2024, with 28 casualties.

Collisions since 1979
1,579
715th highest of 4,923 roads
Casualties
1,797
1.14 per collision
Fatal collisions
7
7 people killed
Serious collisions
164
168 seriously injured
Collisions in 2025
27
Up 108% on 2024
Casualties in 2025
28
Up 87% on 2024

Crash severity on the A5100

On the A5100, 0.4% of collisions were fatal and 10% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal70.4%
  • Serious16410%
  • Slight1,40889%

Where the A5100 ranks among 4,923 roads

Most collisions
715th
Most casualties
828th
Most fatal collisions
2,103rd
Most serious collisions
1,270th

A5100 accidents by year

Collisions on the A5100 peaked at 56 in 1994 and were down to 27 in 2025.

Collisions and casualties on the A5100, 1979 to 2025

  • Collisions
  • Collisions in 2025: 27
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252728
20241315
20231617
20222224
20211717
20201010
20192022
20182832
20172024
20162734
20152127
20141821
20132527
20123236
20112942
20101823
20093239
20083235
20073037
20063440
20052123
20042835
20033033
20023639
20014145
20004551
19993035
19983539
19973944
19963839
19955460
19945660
19934246
19924957
19914354
19903235
19892936
19885159
19874247
19865053
19855261
19844955
19834652
19823338
19814448
19804047
19795356

When crashes happen on the A5100

Friday has the most collisions on the A5100 (287), and 3pm to 6pm is the busiest time of day (407).

Collisions by day of the week

  • Monday216 (14%)
  • Tuesday244 (15%)
  • Wednesday248 (16%)
  • Thursday247 (16%)
  • Friday287 (18%)
  • Saturday219 (14%)
  • Sunday118 (7.5%)

Collisions by time of day

  • Midnight to 3am34 (2.2%)
  • 3am to 6am13 (0.8%)
  • 6am to 9am160 (10%)
  • 9am to noon258 (16%)
  • Noon to 3pm333 (21%)
  • 3pm to 6pm407 (26%)
  • 6pm to 9pm250 (16%)
  • 9pm to midnight124 (7.9%)

Collisions by month

  • January140 (8.9%)
  • February126 (8%)
  • March139 (8.8%)
  • April116 (7.3%)
  • May134 (8.5%)
  • June138 (8.7%)
  • July134 (8.5%)
  • August115 (7.3%)
  • September137 (8.7%)
  • October133 (8.4%)
  • November146 (9.2%)
  • December121 (7.7%)

Light conditions at the time

  • Daylight1,183 (75%)
  • Dark, street lights lit384 (24%)
  • Dark, street lights unlit5 (0.3%)
  • Dark, lighting unknown4 (0.3%)
  • Dark, no street lighting3 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A5100 crashes

On the A5100, 98% of collisions happened where the speed limit was 30 mph and 77% on a dry road surface.

Speed limit at the scene

  • 10 mph2 (0.1%)
  • 20 mph15 (0.9%)
  • 30 mph1,555 (98%)
  • 40 mph5 (0.3%)
  • 50 mph1 (0.1%)
  • 60 mph1 (0.1%)

Weather at the time

  • Fine, no high winds1,206 (76%)
  • Raining, no high winds179 (11%)
  • Fine with high winds14 (0.9%)
  • Raining with high winds10 (0.6%)
  • Other145 (9.2%)
  • Not recorded25 (1.6%)

Road surface

  • Dry1,223 (77%)
  • Wet or damp332 (21%)
  • Snow9 (0.6%)
  • Frost or ice7 (0.4%)
  • Other2 (0.1%)
  • Not recorded6 (0.4%)

Type of road

  • Single carriageway1,287 (82%)
  • Dual carriageway74 (4.7%)
  • Roundabout71 (4.5%)
  • One way street or slip road27 (1.7%)
  • Not recorded120 (7.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A5100 crashes

Car occupants make up 43% of the people killed or injured on the A5100, followed by pedestrians (29%).

Casualties by road user

  • Car occupant773 (43%)
  • Pedestrian524 (29%)
  • Motorcyclist211 (12%)
  • Bus or coach occupant179 (10%)
  • Cyclist76 (4.2%)
  • Taxi or private hire car occupant16 (0.9%)
  • Van occupant14 (0.8%)
  • Other4 (0.2%)

Vehicles involved

  • Car1,839 (72%)
  • Bus or coach255 (10%)
  • Motorcycle224 (8.7%)
  • Van or goods vehicle up to 3.5 tonnes91 (3.6%)
  • Pedal cycle81 (3.2%)
  • Taxi or private hire car31 (1.2%)
  • Goods vehicle over 3.5 tonnes21 (0.8%)
  • Other19 (0.7%)

Casualties by age

  • 0 to 535 (1.9%)
  • 6 to 1044 (2.4%)
  • 11 to 15102 (5.7%)
  • 16 to 20225 (13%)
  • 21 to 25209 (12%)
  • 26 to 35282 (16%)
  • 36 to 45240 (13%)
  • 46 to 55169 (9.4%)
  • 56 to 65127 (7.1%)
  • 66 to 75114 (6.3%)
  • Over 75122 (6.8%)
  • Not recorded128 (7.1%)

Drivers, passengers and pedestrians

  • Driver or rider886 (49%)
  • Pedestrian524 (29%)
  • Passenger387 (22%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A5100

Map of the 25 most recent crashes on the A5100

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A5100 crashes by council area

Of the 1,579 collisions on the A5100, 1,577 were in Barnet.

Collisions on the A5100 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBarnet1,5771,7957164

A5100 crashes by town

Of the 1,579 collisions on the A5100, 1,439 were in the built-up area of Barnet.

Recent crashes on the A5100

These are the 25 most recent collisions on the A5100, from 9 January to 27 December 2025.

Severity