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CrashStats

A101 accidents: crash map and statistics

Police recorded 254 collisions on the A101 from 1979 to 2025, with 333 casualties. Of those crashes, none were fatal and 24 were serious.

In 2025 there were 7 collisions on the A101, level with 2024, with 7 casualties.

Collisions since 1979
254
2,932nd highest of 4,923 roads
Casualties
333
1.31 per collision
Fatal collisions
0
No one killed
Serious collisions
24
25 seriously injured
Collisions in 2025
7
Level with 2024
Casualties in 2025
7
Level with 2024

Crash severity on the A101

None of the 254 collisions on the A101 were fatal, and 9.4% were serious (18% across Great Britain).

Collisions by severity, 1979 to 2025

  • Fatal00%
  • Serious249.4%
  • Slight23091%

Where the A101 ranks among 4,923 roads

Most collisions
2,932nd
Most casualties
2,984th
Most fatal collisions
4,444th
Most serious collisions
3,851st

A101 accidents by year

Collisions on the A101 peaked at 12 in 2018 and were down to 7 in 2025.

Collisions and casualties on the A101, 1979 to 2025

  • Collisions
  • Collisions in 2025: 7
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202577
202477
2023713
202245
2021913
202066
20191115
20181212
201722
2016812
20151012
201467
2013811
201211
201133
201066
200967
200857
200756
200677
200589
200444
2003611
200257
200188
200044
199936
199878
1997713
199635
199534
1994711
19931013
1992911
1991916
199023
198922
198811
198756
198634
198500
198411
198357
198245
198100
198035
1979510

When crashes happen on the A101

Saturday has the most collisions on the A101 (48), and 3pm to 6pm is the busiest time of day (67).

Collisions by day of the week

  • Monday25 (9.8%)
  • Tuesday34 (13%)
  • Wednesday24 (9.4%)
  • Thursday43 (17%)
  • Friday38 (15%)
  • Saturday48 (19%)
  • Sunday42 (17%)

Collisions by time of day

  • Midnight to 3am22 (8.7%)
  • 3am to 6am17 (6.7%)
  • 6am to 9am20 (7.9%)
  • 9am to noon27 (11%)
  • Noon to 3pm32 (13%)
  • 3pm to 6pm67 (26%)
  • 6pm to 9pm41 (16%)
  • 9pm to midnight28 (11%)

Collisions by month

  • January23 (9.1%)
  • February11 (4.3%)
  • March26 (10%)
  • April13 (5.1%)
  • May18 (7.1%)
  • June26 (10%)
  • July22 (8.7%)
  • August20 (7.9%)
  • September22 (8.7%)
  • October31 (12%)
  • November18 (7.1%)
  • December24 (9.4%)

Light conditions at the time

  • Daylight149 (59%)
  • Dark, street lights lit101 (40%)
  • Dark, lighting unknown2 (0.8%)
  • Dark, street lights unlit2 (0.8%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A101 crashes

On the A101, 63% of collisions happened where the speed limit was 30 mph and 86% on a dry road surface.

Speed limit at the scene

  • 20 mph92 (36%)
  • 30 mph160 (63%)
  • 40 mph1 (0.4%)
  • 50 mph1 (0.4%)

Weather at the time

  • Fine, no high winds209 (82%)
  • Raining, no high winds17 (6.7%)
  • Raining with high winds3 (1.2%)
  • Fine with high winds1 (0.4%)
  • Other20 (7.9%)
  • Not recorded4 (1.6%)

Road surface

  • Dry219 (86%)
  • Wet or damp31 (12%)
  • Frost or ice1 (0.4%)
  • Oil or diesel1 (0.4%)
  • Snow1 (0.4%)
  • Not recorded1 (0.4%)

Type of road

  • Single carriageway171 (67%)
  • Roundabout44 (17%)
  • Dual carriageway21 (8.3%)
  • One way street or slip road8 (3.1%)
  • Not recorded10 (3.9%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A101 crashes

Car occupants make up 59% of the people killed or injured on the A101, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant198 (59%)
  • Motorcyclist43 (13%)
  • Cyclist41 (12%)
  • Pedestrian19 (5.7%)
  • Van occupant15 (4.5%)
  • Taxi or private hire car occupant8 (2.4%)
  • Other8 (2.4%)
  • Not recorded1 (0.3%)

Vehicles involved

  • Car350 (71%)
  • Motorcycle47 (9.5%)
  • Pedal cycle41 (8.3%)
  • Van or goods vehicle up to 3.5 tonnes33 (6.7%)
  • Taxi or private hire car10 (2%)
  • Bus or coach7 (1.4%)
  • Goods vehicle over 3.5 tonnes5 (1%)
  • Other3 (0.6%)

Casualties by age

  • 0 to 54 (1.2%)
  • 6 to 108 (2.4%)
  • 11 to 156 (1.8%)
  • 16 to 2026 (7.8%)
  • 21 to 2548 (14%)
  • 26 to 3583 (25%)
  • 36 to 4583 (25%)
  • 46 to 5532 (9.6%)
  • 56 to 6523 (6.9%)
  • 66 to 751 (0.3%)
  • Over 751 (0.3%)
  • Not recorded18 (5.4%)

Drivers, passengers and pedestrians

  • Driver or rider239 (72%)
  • Passenger75 (23%)
  • Pedestrian19 (5.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A101

Map of the 25 most recent crashes on the A101

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

  • 25 crashes
  • Serious
  • Slight

A101 crashes by council area

Collisions on the A101 were recorded in 2 council areas. Southwark has the most, with 150, followed by Tower Hamlets (102).

Collisions on the A101 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouthwark150183013
2ndTower Hamlets102147011

A101 crashes by town

Collisions on the A101 were recorded in 2 towns and built-up areas, led by Southwark (86) and Tower Hamlets (57).

Recent crashes on the A101

These are the 25 most recent collisions on the A101, from 27 January 2022 to 25 December 2025.

Severity