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CrashStats

A602 accidents: crash map and statistics

Police recorded 3,171 collisions on the A602 from 1979 to 2025, with 4,436 casualties. Of those crashes, 49 were fatal and 494 serious, and 52 people were killed.

In 2025 there were 50 collisions on the A602, up 19% from 42 in 2024, with 73 casualties.

Collisions since 1979
3,171
363rd highest of 4,923 roads
Casualties
4,436
1.40 per collision
Fatal collisions
49
52 people killed
Serious collisions
494
588 seriously injured
Collisions in 2025
50
Up 19% on 2024
Casualties in 2025
73
Up 20% on 2024

Crash severity on the A602

On the A602, 1.5% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal491.5%
  • Serious49416%
  • Slight2,62883%

Where the A602 ranks among 4,923 roads

Most collisions
363rd
Most casualties
342nd
Most fatal collisions
422nd
Most serious collisions
432nd

A602 accidents by year

Collisions on the A602 peaked at 115 in 2002 and were down to 50 in 2025.

Collisions and casualties on the A602, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20255073
20244261
20233953
20224769
20213253
20202130
20193652
20184474
20174154
20163957
201573120
20144965
20134361
20126897
20115564
20106693
20096293
200883133
20077092
200675108
200573111
200472100
200393130
2002115168
200185127
2000106158
199997140
199882112
199796136
199688110
199580106
199484110
19936883
19924662
19915470
199078107
198992116
19886687
19877999
19867398
19856994
19847097
198386126
198282115
19817296
19805978
19797198

When crashes happen on the A602

Friday has the most collisions on the A602 (528), and 3pm to 6pm is the busiest time of day (765).

Collisions by day of the week

  • Monday417 (13%)
  • Tuesday484 (15%)
  • Wednesday474 (15%)
  • Thursday494 (16%)
  • Friday528 (17%)
  • Saturday449 (14%)
  • Sunday325 (10%)

Collisions by time of day

  • Midnight to 3am127 (4%)
  • 3am to 6am56 (1.8%)
  • 6am to 9am500 (16%)
  • 9am to noon412 (13%)
  • Noon to 3pm558 (18%)
  • 3pm to 6pm765 (24%)
  • 6pm to 9pm455 (14%)
  • 9pm to midnight298 (9.4%)

Collisions by month

  • January268 (8.5%)
  • February249 (7.9%)
  • March266 (8.4%)
  • April243 (7.7%)
  • May256 (8.1%)
  • June256 (8.1%)
  • July245 (7.7%)
  • August273 (8.6%)
  • September260 (8.2%)
  • October285 (9%)
  • November266 (8.4%)
  • December304 (9.6%)

Light conditions at the time

  • Daylight2,245 (71%)
  • Dark, street lights lit704 (22%)
  • Dark, no street lighting183 (5.8%)
  • Dark, lighting unknown30 (0.9%)
  • Dark, street lights unlit9 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A602 crashes

On the A602, 45% of collisions happened where the speed limit was 40 mph and 63% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.1%)
  • 30 mph524 (17%)
  • 40 mph1,430 (45%)
  • 50 mph129 (4.1%)
  • 60 mph931 (29%)
  • 70 mph154 (4.9%)

Weather at the time

  • Fine, no high winds2,523 (80%)
  • Raining, no high winds420 (13%)
  • Raining with high winds51 (1.6%)
  • Fog or mist42 (1.3%)
  • Other106 (3.3%)
  • Not recorded29 (0.9%)

Road surface

  • Dry1,994 (63%)
  • Wet or damp1,081 (34%)
  • Frost or ice63 (2%)
  • Snow11 (0.3%)
  • Other11 (0.3%)
  • Not recorded11 (0.3%)

Type of road

  • Single carriageway1,326 (42%)
  • Dual carriageway958 (30%)
  • Roundabout782 (25%)
  • One way street or slip road83 (2.6%)
  • Not recorded22 (0.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A602 crashes

Car occupants make up 70% of the people killed or injured on the A602, followed by motorcyclists (15%).

Casualties by road user

  • Car occupant3,125 (70%)
  • Motorcyclist660 (15%)
  • Cyclist184 (4.1%)
  • Pedestrian155 (3.5%)
  • Van occupant132 (3%)
  • Bus or coach occupant78 (1.8%)
  • Other101 (2.3%)
  • Not recorded1 (under 0.1%)

Vehicles involved

  • Car4,619 (75%)
  • Motorcycle678 (11%)
  • Van or goods vehicle up to 3.5 tonnes287 (4.6%)
  • Goods vehicle over 3.5 tonnes212 (3.4%)
  • Pedal cycle206 (3.3%)
  • Bus or coach99 (1.6%)
  • Other88 (1.4%)
  • Not recorded2 (under 0.1%)

Casualties by age

  • 0 to 554 (1.2%)
  • 6 to 1092 (2.1%)
  • 11 to 15139 (3.1%)
  • 16 to 20745 (17%)
  • 21 to 25702 (16%)
  • 26 to 35970 (22%)
  • 36 to 45698 (16%)
  • 46 to 55483 (11%)
  • 56 to 65298 (6.7%)
  • 66 to 75141 (3.2%)
  • Over 7593 (2.1%)
  • Not recorded21 (0.5%)

Drivers, passengers and pedestrians

  • Driver or rider3,105 (70%)
  • Passenger1,176 (27%)
  • Pedestrian155 (3.5%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A602

Map of the 25 most recent crashes on the A602

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

  • 25 crashes
  • Serious
  • Slight

A602 crashes by council area

Collisions on the A602 were recorded in 4 council areas. Stevenage has the most, with 1,886, followed by East Hertfordshire (675) and North Hertfordshire (597).

Collisions on the A602 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stStevenage1,8862,53721245
2ndEast Hertfordshire6751,01517142
3rdNorth Hertfordshire59786411104
4thRotherham71201

A602 crashes by town

Collisions on the A602 were recorded in 5 towns and built-up areas, led by Stevenage (1,478) and Hitchin (193).

Recent crashes on the A602

These are the 25 most recent collisions on the A602, from 26 July to 23 December 2025.

Severity