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CrashStats

A604 accidents: crash map and statistics

Police recorded 3,993 collisions on the A604 from 1979 to 2021, with 6,112 casualties. Of those crashes, 159 were fatal and 1,085 serious, and 183 people were killed.

The last recorded collision on the A604 was on 16 February 2021.

Collisions since 1979
3,993
270th highest of 4,923 roads
Casualties
6,112
1.53 per collision
Fatal collisions
159
183 people killed
Serious collisions
1,085
1,563 seriously injured
Last recorded collision
16 Feb 2021
Busiest year
1979
342 collisions

Crash severity on the A604

On the A604, 4% of collisions were fatal and 27% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2021

  • Fatal1594%
  • Serious1,08527%
  • Slight2,74969%

Where the A604 ranks among 4,923 roads

Most collisions
270th
Most casualties
235th
Most fatal collisions
128th
Most serious collisions
174th

A604 accidents by year

Collisions on the A604 peaked at 342 in 1979, and none have been recorded since 2021.

Collisions and casualties on the A604, 1979 to 2021

  • Collisions
  • Collisions in 2021: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202112
202000
201900
201800
201700
201600
201500
201400
201300
201200
201100
201069
200979
200857
200723
200667
200588
20041320
2003910
20021216
20011219
20001111
199955
199847
19976892
199680107
1995110172
1994147210
1993179266
1992207305
1991197313
1990256379
1989284465
1988269399
1987225359
1986223353
1985217315
1984200289
1983206309
1982206339
1981221417
1980255379
1979342511

When crashes happen on the A604

Friday has the most collisions on the A604 (720), and 3pm to 6pm is the busiest time of day (919).

Collisions by day of the week

  • Monday561 (14%)
  • Tuesday532 (13%)
  • Wednesday543 (14%)
  • Thursday610 (15%)
  • Friday720 (18%)
  • Saturday574 (14%)
  • Sunday453 (11%)

Collisions by time of day

  • Midnight to 3am164 (4.1%)
  • 3am to 6am84 (2.1%)
  • 6am to 9am572 (14%)
  • 9am to noon653 (16%)
  • Noon to 3pm707 (18%)
  • 3pm to 6pm919 (23%)
  • 6pm to 9pm526 (13%)
  • 9pm to midnight368 (9.2%)

Collisions by month

  • January315 (7.9%)
  • February320 (8%)
  • March318 (8%)
  • April311 (7.8%)
  • May331 (8.3%)
  • June285 (7.1%)
  • July331 (8.3%)
  • August324 (8.1%)
  • September336 (8.4%)
  • October339 (8.5%)
  • November387 (9.7%)
  • December396 (9.9%)

Light conditions at the time

  • Daylight2,846 (71%)
  • Dark, no street lighting713 (18%)
  • Dark, street lights lit385 (9.6%)
  • Dark, lighting unknown28 (0.7%)
  • Dark, street lights unlit21 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A604 crashes

On the A604, 41% of collisions happened where the speed limit was 60 mph and 57% on a dry road surface.

Speed limit at the scene

  • 30 mph1,044 (26%)
  • 40 mph434 (11%)
  • 50 mph75 (1.9%)
  • 60 mph1,628 (41%)
  • 70 mph812 (20%)

Weather at the time

  • Fine, no high winds2,952 (74%)
  • Raining, no high winds572 (14%)
  • Fine with high winds119 (3%)
  • Fog or mist91 (2.3%)
  • Other245 (6.1%)
  • Not recorded14 (0.4%)

Road surface

  • Dry2,288 (57%)
  • Wet or damp1,543 (39%)
  • Frost or ice124 (3.1%)
  • Snow29 (0.7%)
  • Flood over 3cm deep9 (0.2%)

Type of road

  • Single carriageway2,980 (75%)
  • Dual carriageway726 (18%)
  • Roundabout240 (6%)
  • One way street or slip road37 (0.9%)
  • Not recorded10 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A604 crashes

Car occupants make up 65% of the people killed or injured on the A604, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant3,989 (65%)
  • Motorcyclist742 (12%)
  • Pedestrian341 (5.6%)
  • Cyclist309 (5.1%)
  • Van occupant300 (4.9%)
  • Goods vehicle occupant (over 3.5 tonnes)253 (4.1%)
  • Bus or coach occupant98 (1.6%)
  • Other80 (1.3%)

Vehicles involved

  • Car5,065 (66%)
  • Goods vehicle over 3.5 tonnes863 (11%)
  • Motorcycle719 (9.4%)
  • Van or goods vehicle up to 3.5 tonnes477 (6.2%)
  • Pedal cycle325 (4.2%)
  • Other vehicle97 (1.3%)
  • Bus or coach69 (0.9%)
  • Other55 (0.7%)

Casualties by age

  • 0 to 5125 (2%)
  • 6 to 10161 (2.6%)
  • 11 to 15266 (4.4%)
  • 16 to 201,249 (20%)
  • 21 to 25952 (16%)
  • 26 to 351,193 (20%)
  • 36 to 45815 (13%)
  • 46 to 55536 (8.8%)
  • 56 to 65412 (6.7%)
  • 66 to 75226 (3.7%)
  • Over 75150 (2.5%)
  • Not recorded27 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider3,816 (62%)
  • Passenger1,955 (32%)
  • Pedestrian341 (5.6%)

Source: Department for Transport, STATS19 road safety data

Map of the latest recorded crashes on the A604

Map of the 25 latest recorded crashes on the A604

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

  • 25 crashes
  • Serious
  • Slight

A604 crashes by council area

Collisions on the A604 were recorded in 9 council areas. Braintree has the most, with 816, followed by Huntingdonshire (735) and Colchester (700).

Collisions on the A604 in each area, 1979 to 2021
RankAreaCollisionsCasualtiesFatalSerious
1stBraintree8161,23930259
2ndHuntingdonshire7351,21652182
3rdColchester70094311137
4thSouth Cambridgeshire6751,17732208
5thWest Suffolk481633788
6thNorth Northamptonshire27843510111
7thTendring1873131469
8thCambridge102132230
9thRochdale4410

A604 crashes by town

Collisions on the A604 were recorded in 20 towns and built-up areas, led by Haverhill (376) and Colchester (261).

Latest recorded crashes on the A604

These are the 25 latest recorded collisions on the A604, from 12 May 2006 to 16 February 2021.

Severity