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CrashStats

A414 accidents: crash map and statistics

Police recorded 10,271 collisions on the A414 from 1979 to 2025, with 14,270 casualties. Of those crashes, 226 were fatal and 2,035 serious, and 245 people were killed.

In 2025 there were 90 collisions on the A414, down 6% from 96 in 2024, with 125 casualties.

Live A414 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
10,271
76th highest of 4,923 roads
Casualties
14,270
1.39 per collision
Fatal collisions
226
245 people killed
Serious collisions
2,035
2,443 seriously injured
Collisions in 2025
90
Down 6% on 2024
Casualties in 2025
125
Down 5% on 2024

Crash severity on the A414

On the A414, 2.2% of collisions were fatal and 20% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal2262.2%
  • Serious2,03520%
  • Slight8,01078%

Where the A414 ranks among 4,923 roads

Most collisions
76th
Most casualties
71st
Most fatal collisions
75th
Most serious collisions
65th

A414 accidents by year

Collisions on the A414 peaked at 316 in 1995 and were down to 90 in 2025.

Collisions and casualties on the A414, 1979 to 2025

  • Collisions
  • Collisions in 2025: 90
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202590125
202496131
2023115177
2022138204
202198135
2020107136
2019115164
2018112146
2017128172
2016154215
2015137202
2014169230
2013128172
2012166214
2011166229
2010158211
2009190260
2008187248
2007220287
2006231298
2005199280
2004229322
2003222303
2002249356
2001272379
2000289415
1999285392
1998295428
1997307398
1996280357
1995316448
1994275404
1993257368
1992264358
1991258387
1990244344
1989303441
1988252344
1987277376
1986314451
1985302426
1984299416
1983276385
1982273393
1981285386
1980239338
1979305419

When crashes happen on the A414

Friday has the most collisions on the A414 (1,775), and 3pm to 6pm is the busiest time of day (2,354).

Collisions by day of the week

  • Monday1,431 (14%)
  • Tuesday1,500 (15%)
  • Wednesday1,552 (15%)
  • Thursday1,511 (15%)
  • Friday1,775 (17%)
  • Saturday1,398 (14%)
  • Sunday1,104 (11%)

Collisions by time of day

  • Midnight to 3am332 (3.2%)
  • 3am to 6am167 (1.6%)
  • 6am to 9am1,630 (16%)
  • 9am to noon1,542 (15%)
  • Noon to 3pm1,721 (17%)
  • 3pm to 6pm2,354 (23%)
  • 6pm to 9pm1,580 (15%)
  • 9pm to midnight945 (9.2%)

Collisions by month

  • January864 (8.4%)
  • February731 (7.1%)
  • March829 (8.1%)
  • April842 (8.2%)
  • May808 (7.9%)
  • June795 (7.7%)
  • July905 (8.8%)
  • August869 (8.5%)
  • September866 (8.4%)
  • October925 (9%)
  • November954 (9.3%)
  • December883 (8.6%)

Light conditions at the time

  • Daylight7,368 (72%)
  • Dark, street lights lit1,880 (18%)
  • Dark, no street lighting896 (8.7%)
  • Dark, lighting unknown82 (0.8%)
  • Dark, street lights unlit45 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A414 crashes

On the A414, 33% of collisions happened where the speed limit was 60 mph and 63% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (under 0.1%)
  • 30 mph2,030 (20%)
  • 40 mph1,954 (19%)
  • 50 mph487 (4.7%)
  • 60 mph3,418 (33%)
  • 70 mph2,379 (23%)

Weather at the time

  • Fine, no high winds8,123 (79%)
  • Raining, no high winds1,374 (13%)
  • Fog or mist149 (1.5%)
  • Fine with high winds144 (1.4%)
  • Other409 (4%)
  • Not recorded72 (0.7%)

Road surface

  • Dry6,520 (63%)
  • Wet or damp3,470 (34%)
  • Frost or ice195 (1.9%)
  • Snow46 (0.4%)
  • Other24 (0.2%)
  • Not recorded16 (0.2%)

Type of road

  • Single carriageway4,616 (45%)
  • Dual carriageway2,966 (29%)
  • Roundabout2,542 (25%)
  • One way street or slip road133 (1.3%)
  • Not recorded14 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A414 crashes

Car occupants make up 69% of the people killed or injured on the A414, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant9,907 (69%)
  • Motorcyclist1,915 (13%)
  • Cyclist738 (5.2%)
  • Pedestrian695 (4.9%)
  • Van occupant524 (3.7%)
  • Goods vehicle occupant (over 3.5 tonnes)237 (1.7%)
  • Other251 (1.8%)
  • Not recorded3 (under 0.1%)

Vehicles involved

  • Car14,897 (73%)
  • Motorcycle1,897 (9.4%)
  • Van or goods vehicle up to 3.5 tonnes1,186 (5.8%)
  • Goods vehicle over 3.5 tonnes1,075 (5.3%)
  • Pedal cycle770 (3.8%)
  • Bus or coach135 (0.7%)
  • Other309 (1.5%)
  • Not recorded12 (0.1%)

Casualties by age

  • 0 to 5155 (1.1%)
  • 6 to 10272 (1.9%)
  • 11 to 15503 (3.5%)
  • 16 to 202,472 (17%)
  • 21 to 252,096 (15%)
  • 26 to 352,963 (21%)
  • 36 to 452,143 (15%)
  • 46 to 551,607 (11%)
  • 56 to 651,026 (7.2%)
  • 66 to 75574 (4%)
  • Over 75295 (2.1%)
  • Not recorded164 (1.1%)

Drivers, passengers and pedestrians

  • Driver or rider9,960 (70%)
  • Passenger3,615 (25%)
  • Pedestrian695 (4.9%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A414

Map of the 25 most recent crashes on the A414

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A414 crashes by council area

Collisions on the A414 were recorded in 9 council areas. Chelmsford has the most, with 1,838, followed by East Hertfordshire (1,699) and St Albans (1,524).

Collisions on the A414 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stChelmsford1,8382,57847447
2ndEast Hertfordshire1,6992,38830303
3rdSt Albans1,5242,07834245
4thEpping Forest1,4482,19150353
5thHarlow1,2231,60222232
6thDacorum1,0521,44215177
7thMaldon73798914167
8thWelwyn Hatfield72497314108
9thNorth Hertfordshire7800

A414 crashes by town

Collisions on the A414 were recorded in 15 towns and built-up areas, led by Hemel Hempstead (741) and Harlow (500).

Recent crashes on the A414

These are the 25 most recent collisions on the A414, from 5 October to 27 December 2025.

Severity