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CrashStats

B184 accidents: crash map and statistics

Police recorded 1,858 collisions on the B184 from 1979 to 2025, with 2,531 casualties. Of those crashes, 40 were fatal and 511 serious, and 43 people were killed.

In 2025 there were 14 collisions on the B184, down 18% from 17 in 2024, with 16 casualties.

Collisions since 1979
1,858
618th highest of 4,923 roads
Casualties
2,531
1.36 per collision
Fatal collisions
40
43 people killed
Serious collisions
511
613 seriously injured
Collisions in 2025
14
Down 18% on 2024
Casualties in 2025
16
Down 30% on 2024

Crash severity on the B184

On the B184, 2.2% of collisions were fatal and 28% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal402.2%
  • Serious51128%
  • Slight1,30770%

Where the B184 ranks among 4,923 roads

Most collisions
618th
Most casualties
614th
Most fatal collisions
527th
Most serious collisions
423rd

B184 accidents by year

Collisions on the B184 peaked at 79 in 1989 and were down to 14 in 2025.

Collisions and casualties on the B184, 1979 to 2025

  • Collisions
  • Collisions in 2025: 14
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251416
20241723
20232231
20221821
20211528
20201419
201999
20182226
20172538
20161832
20151825
20142328
20133136
20122128
20112831
20102834
20092335
20082838
20073752
20064360
20053649
20046074
20034561
20025371
20016584
20005067
19994361
19987091
19974874
19966278
19955572
19945881
19934665
19924461
19914964
19905772
198979113
19885889
19875576
19865473
19856089
19845582
19833947
19825878
19814366
19804154
19792129

When crashes happen on the B184

Friday has the most collisions on the B184 (313), and 3pm to 6pm is the busiest time of day (439).

Collisions by day of the week

  • Monday235 (13%)
  • Tuesday278 (15%)
  • Wednesday274 (15%)
  • Thursday269 (14%)
  • Friday313 (17%)
  • Saturday265 (14%)
  • Sunday224 (12%)

Collisions by time of day

  • Midnight to 3am59 (3.2%)
  • 3am to 6am29 (1.6%)
  • 6am to 9am261 (14%)
  • 9am to noon292 (16%)
  • Noon to 3pm314 (17%)
  • 3pm to 6pm439 (24%)
  • 6pm to 9pm285 (15%)
  • 9pm to midnight179 (9.6%)

Collisions by month

  • January164 (8.8%)
  • February138 (7.4%)
  • March135 (7.3%)
  • April160 (8.6%)
  • May151 (8.1%)
  • June152 (8.2%)
  • July143 (7.7%)
  • August159 (8.6%)
  • September152 (8.2%)
  • October165 (8.9%)
  • November190 (10%)
  • December149 (8%)

Light conditions at the time

  • Daylight1,350 (73%)
  • Dark, no street lighting329 (18%)
  • Dark, street lights lit163 (8.8%)
  • Dark, lighting unknown12 (0.6%)
  • Dark, street lights unlit4 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B184 crashes

On the B184, 54% of collisions happened where the speed limit was 60 mph and 61% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (0.1%)
  • 30 mph647 (35%)
  • 40 mph144 (7.8%)
  • 50 mph31 (1.7%)
  • 60 mph1,005 (54%)
  • 70 mph29 (1.6%)

Weather at the time

  • Fine, no high winds1,473 (79%)
  • Raining, no high winds234 (13%)
  • Fine with high winds29 (1.6%)
  • Fog or mist26 (1.4%)
  • Other89 (4.8%)
  • Not recorded7 (0.4%)

Road surface

  • Dry1,132 (61%)
  • Wet or damp620 (33%)
  • Frost or ice80 (4.3%)
  • Flood over 3cm deep13 (0.7%)
  • Snow10 (0.5%)
  • Other3 (0.2%)

Type of road

  • Single carriageway1,733 (93%)
  • One way street or slip road58 (3.1%)
  • Roundabout47 (2.5%)
  • Dual carriageway18 (1%)
  • Not recorded2 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B184 crashes

Car occupants make up 65% of the people killed or injured on the B184, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant1,643 (65%)
  • Motorcyclist338 (13%)
  • Pedestrian289 (11%)
  • Cyclist109 (4.3%)
  • Van occupant95 (3.8%)
  • Goods vehicle occupant (over 3.5 tonnes)29 (1.1%)
  • Other vehicle occupant11 (0.4%)
  • Other17 (0.7%)

Vehicles involved

  • Car2,392 (74%)
  • Motorcycle349 (11%)
  • Van or goods vehicle up to 3.5 tonnes185 (5.7%)
  • Pedal cycle122 (3.7%)
  • Goods vehicle over 3.5 tonnes111 (3.4%)
  • Other vehicle38 (1.2%)
  • Bus or coach31 (1%)
  • Other26 (0.8%)

Casualties by age

  • 0 to 543 (1.7%)
  • 6 to 1049 (1.9%)
  • 11 to 15120 (4.7%)
  • 16 to 20475 (19%)
  • 21 to 25316 (12%)
  • 26 to 35457 (18%)
  • 36 to 45339 (13%)
  • 46 to 55256 (10%)
  • 56 to 65178 (7%)
  • 66 to 75132 (5.2%)
  • Over 75114 (4.5%)
  • Not recorded52 (2.1%)

Drivers, passengers and pedestrians

  • Driver or rider1,671 (66%)
  • Passenger571 (23%)
  • Pedestrian289 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B184

Map of the 25 most recent crashes on the B184

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

  • 25 crashes
  • Serious
  • Slight

B184 crashes by council area

Collisions on the B184 were recorded in 2 council areas. Uttlesford has the most, with 1,579, followed by Epping Forest (275).

Collisions on the B184 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stUttlesford1,5792,17629428
2ndEpping Forest2753511182

B184 crashes by town

Collisions on the B184 were recorded in 4 towns and built-up areas, led by Saffron Walden (273) and Great Dunmow (224).

Recent crashes on the B184

These are the 25 most recent collisions on the B184, from 19 May 2024 to 28 November 2025.

Severity