Skip to main content
CrashStats

B146 accidents: crash map and statistics

Police recorded 164 collisions on the B146 from 1979 to 2025, with 202 casualties. Of those crashes, 3 were fatal and 27 serious, and 3 people were killed.

In 2025 there was 1 collision on the B146, up from none in 2024, with 1 casualty.

Collisions since 1979
164
3,491st highest of 4,923 roads
Casualties
202
1.23 per collision
Fatal collisions
3
3 people killed
Serious collisions
27
27 seriously injured
Collisions in 2025
1
Up from none in 2024
Casualties in 2025
1
Up from none in 2024

Crash severity on the B146

On the B146, 1.8% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal31.8%
  • Serious2716%
  • Slight13482%

Where the B146 ranks among 4,923 roads

Most collisions
3,491st
Most casualties
3,611th
Most fatal collisions
3,114th
Most serious collisions
3,732nd

B146 accidents by year

Collisions on the B146 peaked at 10 in 2008 and were down to 1 in 2025.

Collisions and casualties on the B146, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202400
202311
202233
202122
202011
201924
201812
201722
201622
201522
201433
201344
201222
201189
201048
200922
20081016
200768
200668
200544
200477
200344
200256
200145
200044
199956
199869
199756
1996912
199533
199422
199323
199268
199133
199022
198923
198811
198755
198645
198522
198445
198367
198245
198111
198000
197924

When crashes happen on the B146

Friday has the most collisions on the B146 (29), and 3pm to 6pm is the busiest time of day (41).

Collisions by day of the week

  • Monday24 (15%)
  • Tuesday23 (14%)
  • Wednesday17 (10%)
  • Thursday26 (16%)
  • Friday29 (18%)
  • Saturday26 (16%)
  • Sunday19 (12%)

Collisions by time of day

  • Midnight to 3am8 (4.9%)
  • 3am to 6am2 (1.2%)
  • 6am to 9am15 (9.1%)
  • 9am to noon32 (20%)
  • Noon to 3pm29 (18%)
  • 3pm to 6pm41 (25%)
  • 6pm to 9pm27 (16%)
  • 9pm to midnight10 (6.1%)

Collisions by month

  • January18 (11%)
  • February14 (8.5%)
  • March13 (7.9%)
  • April12 (7.3%)
  • May13 (7.9%)
  • June21 (13%)
  • July6 (3.7%)
  • August10 (6.1%)
  • September14 (8.5%)
  • October11 (6.7%)
  • November14 (8.5%)
  • December18 (11%)

Light conditions at the time

  • Daylight122 (74%)
  • Dark, street lights lit40 (24%)
  • Dark, lighting unknown2 (1.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B146 crashes

On the B146, 92% of collisions happened where the speed limit was 30 mph and 71% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.6%)
  • 30 mph151 (92%)
  • 40 mph9 (5.5%)
  • 60 mph1 (0.6%)
  • 70 mph2 (1.2%)

Weather at the time

  • Fine, no high winds130 (79%)
  • Raining, no high winds25 (15%)
  • Fog or mist1 (0.6%)
  • Snowing, no high winds1 (0.6%)
  • Other7 (4.3%)

Road surface

  • Dry116 (71%)
  • Wet or damp43 (26%)
  • Frost or ice3 (1.8%)
  • Snow2 (1.2%)

Type of road

  • Single carriageway137 (84%)
  • Roundabout18 (11%)
  • Dual carriageway3 (1.8%)
  • One way street or slip road3 (1.8%)
  • Not recorded3 (1.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B146 crashes

Car occupants make up 61% of the people killed or injured on the B146, followed by pedestrians (19%).

Casualties by road user

  • Car occupant124 (61%)
  • Pedestrian39 (19%)
  • Motorcyclist17 (8.4%)
  • Bus or coach occupant9 (4.5%)
  • Cyclist6 (3%)
  • Van occupant5 (2.5%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.5%)
  • Taxi or private hire car occupant1 (0.5%)

Vehicles involved

  • Car225 (81%)
  • Motorcycle19 (6.9%)
  • Van or goods vehicle up to 3.5 tonnes12 (4.3%)
  • Bus or coach7 (2.5%)
  • Pedal cycle7 (2.5%)
  • Goods vehicle over 3.5 tonnes4 (1.4%)
  • Taxi or private hire car2 (0.7%)
  • Minibus1 (0.4%)

Casualties by age

  • 6 to 1010 (5%)
  • 11 to 1517 (8.4%)
  • 16 to 2026 (13%)
  • 21 to 2524 (12%)
  • 26 to 3535 (17%)
  • 36 to 4530 (15%)
  • 46 to 5523 (11%)
  • 56 to 6516 (7.9%)
  • 66 to 759 (4.5%)
  • Over 755 (2.5%)
  • Not recorded7 (3.5%)

Drivers, passengers and pedestrians

  • Driver or rider126 (62%)
  • Pedestrian39 (19%)
  • Passenger37 (18%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B146

Map of the 25 most recent crashes on the B146

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

  • 25 crashes
  • Serious
  • Slight

B146 crashes by council area

Collisions on the B146 were recorded in 2 council areas. Waltham Forest has the most, with 138, followed by Thurrock (22).

Collisions on the B146 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWaltham Forest138170326
2ndThurrock222601

B146 crashes by town

Collisions on the B146 were recorded in 2 towns and built-up areas, led by Waltham Forest (104) and Chafford Hundred, West Thurrock and Purfleet-on-Thames (15).

Recent crashes on the B146

These are the 25 most recent collisions on the B146, from 4 November 2012 to 3 April 2025.

Severity