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CrashStats

B181 accidents: crash map and statistics

Police recorded 1,266 collisions on the B181 from 1979 to 2025, with 1,817 casualties. Of those crashes, 17 were fatal and 264 serious, and 17 people were killed.

In 2025 there were 18 collisions on the B181, up 29% from 14 in 2024, with 28 casualties.

Collisions since 1979
1,266
872nd highest of 4,923 roads
Casualties
1,817
1.44 per collision
Fatal collisions
17
17 people killed
Serious collisions
264
312 seriously injured
Collisions in 2025
18
Up 29% on 2024
Casualties in 2025
28
Up 22% on 2024

Crash severity on the B181

On the B181, 1.3% of collisions were fatal and 21% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal171.3%
  • Serious26421%
  • Slight98578%

Where the B181 ranks among 4,923 roads

Most collisions
872nd
Most casualties
817th
Most fatal collisions
1,125th
Most serious collisions
816th

B181 accidents by year

Collisions on the B181 peaked at 58 in 1989 and were down to 18 in 2025.

Collisions and casualties on the B181, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251828
20241423
20231217
20222229
20211525
20201117
20191321
20182229
20171517
20162847
20151116
20142131
20132026
20122129
20112234
20102335
20092534
20081724
20072538
20063450
20053850
20043036
20033242
20023749
20012942
20002329
19993345
19983046
19973862
19964155
19954057
19942641
19932843
19923342
19913450
19904564
19895886
19883760
19872841
19863144
19852737
19841932
19832738
19823147
19812227
19803345
19792737

When crashes happen on the B181

Friday has the most collisions on the B181 (210), and 3pm to 6pm is the busiest time of day (278).

Collisions by day of the week

  • Monday153 (12%)
  • Tuesday174 (14%)
  • Wednesday197 (16%)
  • Thursday176 (14%)
  • Friday210 (17%)
  • Saturday189 (15%)
  • Sunday167 (13%)

Collisions by time of day

  • Midnight to 3am55 (4.3%)
  • 3am to 6am15 (1.2%)
  • 6am to 9am192 (15%)
  • 9am to noon173 (14%)
  • Noon to 3pm206 (16%)
  • 3pm to 6pm278 (22%)
  • 6pm to 9pm207 (16%)
  • 9pm to midnight140 (11%)

Collisions by month

  • January103 (8.1%)
  • February97 (7.7%)
  • March104 (8.2%)
  • April110 (8.7%)
  • May109 (8.6%)
  • June112 (8.8%)
  • July108 (8.5%)
  • August100 (7.9%)
  • September93 (7.3%)
  • October122 (9.6%)
  • November119 (9.4%)
  • December89 (7%)

Light conditions at the time

  • Daylight885 (70%)
  • Dark, no street lighting215 (17%)
  • Dark, street lights lit152 (12%)
  • Dark, lighting unknown11 (0.9%)
  • Dark, street lights unlit3 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B181 crashes

On the B181, 46% of collisions happened where the speed limit was 60 mph and 62% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (0.2%)
  • 30 mph454 (36%)
  • 40 mph204 (16%)
  • 50 mph3 (0.2%)
  • 60 mph579 (46%)
  • 70 mph24 (1.9%)

Weather at the time

  • Fine, no high winds1,011 (80%)
  • Raining, no high winds165 (13%)
  • Fine with high winds22 (1.7%)
  • Raining with high winds8 (0.6%)
  • Other50 (3.9%)
  • Not recorded10 (0.8%)

Road surface

  • Dry790 (62%)
  • Wet or damp421 (33%)
  • Frost or ice42 (3.3%)
  • Snow6 (0.5%)
  • Flood over 3cm deep4 (0.3%)
  • Not recorded3 (0.2%)

Type of road

  • Single carriageway1,226 (97%)
  • Roundabout24 (1.9%)
  • Dual carriageway10 (0.8%)
  • One way street or slip road4 (0.3%)
  • Not recorded2 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B181 crashes

Car occupants make up 72% of the people killed or injured on the B181, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant1,307 (72%)
  • Motorcyclist216 (12%)
  • Pedestrian118 (6.5%)
  • Cyclist80 (4.4%)
  • Van occupant45 (2.5%)
  • Bus or coach occupant17 (0.9%)
  • Taxi or private hire car occupant12 (0.7%)
  • Other22 (1.2%)

Vehicles involved

  • Car1,790 (77%)
  • Motorcycle208 (8.9%)
  • Van or goods vehicle up to 3.5 tonnes118 (5%)
  • Pedal cycle86 (3.7%)
  • Goods vehicle over 3.5 tonnes49 (2.1%)
  • Bus or coach31 (1.3%)
  • Other55 (2.4%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 523 (1.3%)
  • 6 to 1051 (2.8%)
  • 11 to 1582 (4.5%)
  • 16 to 20365 (20%)
  • 21 to 25258 (14%)
  • 26 to 35318 (18%)
  • 36 to 45241 (13%)
  • 46 to 55199 (11%)
  • 56 to 65124 (6.8%)
  • 66 to 7571 (3.9%)
  • Over 7552 (2.9%)
  • Not recorded33 (1.8%)

Drivers, passengers and pedestrians

  • Driver or rider1,180 (65%)
  • Passenger519 (29%)
  • Pedestrian118 (6.5%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B181

Map of the 25 most recent crashes on the B181

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B181 crashes by council area

Collisions on the B181 were recorded in 3 council areas. Epping Forest has the most, with 1,010, followed by East Hertfordshire (244) and Harlow (10).

Collisions on the B181 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stEpping Forest1,0101,42114211
2ndEast Hertfordshire244380348
3rdHarlow101304

B181 crashes by town

Collisions on the B181 were recorded in 7 towns and built-up areas, led by North Weald Bassett (203) and Stanstead Abbotts (97).

Recent crashes on the B181

These are the 25 most recent collisions on the B181, from 22 July 2024 to 13 December 2025.

Severity