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CrashStats

B6426 accidents: crash map and statistics

Police recorded 466 collisions on the B6426 from 1979 to 2025, with 594 casualties. Of those crashes, 2 were fatal and 78 serious, and 2 people were killed.

In 2025 there were 2 collisions on the B6426, down 67% from 6 in 2024, with 2 casualties.

Collisions since 1979
466
2,076th highest of 4,923 roads
Casualties
594
1.27 per collision
Fatal collisions
2
2 people killed
Serious collisions
78
80 seriously injured
Collisions in 2025
2
Down 67% on 2024
Casualties in 2025
2
Down 67% on 2024

Crash severity on the B6426

On the B6426, 0.4% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal20.4%
  • Serious7817%
  • Slight38683%

Where the B6426 ranks among 4,923 roads

Most collisions
2,076th
Most casualties
2,158th
Most fatal collisions
3,485th
Most serious collisions
2,322nd

B6426 accidents by year

Collisions on the B6426 peaked at 22 in 1997 and were down to 2 in 2025.

Collisions and casualties on the B6426, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202522
202466
20231112
202255
202156
202046
2019716
201858
201711
2016810
20151214
20141720
201389
20121719
20111316
20101212
200988
20081218
20071418
2006912
20051010
20041423
20031320
20021723
20011014
2000712
19991015
19981621
19972228
19961113
19951721
19941010
1993611
199266
19911215
19901010
19891820
19881317
19872024
198678
198599
198459
198325
198244
198157
1980911
1979710

When crashes happen on the B6426

Tuesday has the most collisions on the B6426 (78), and 3pm to 6pm is the busiest time of day (92).

Collisions by day of the week

  • Monday73 (16%)
  • Tuesday78 (17%)
  • Wednesday59 (13%)
  • Thursday74 (16%)
  • Friday74 (16%)
  • Saturday64 (14%)
  • Sunday44 (9.4%)

Collisions by time of day

  • Midnight to 3am16 (3.4%)
  • 3am to 6am3 (0.6%)
  • 6am to 9am71 (15%)
  • 9am to noon60 (13%)
  • Noon to 3pm87 (19%)
  • 3pm to 6pm92 (20%)
  • 6pm to 9pm89 (19%)
  • 9pm to midnight48 (10%)

Collisions by month

  • January40 (8.6%)
  • February36 (7.7%)
  • March36 (7.7%)
  • April37 (7.9%)
  • May37 (7.9%)
  • June42 (9%)
  • July32 (6.9%)
  • August30 (6.4%)
  • September39 (8.4%)
  • October44 (9.4%)
  • November43 (9.2%)
  • December50 (11%)

Light conditions at the time

  • Daylight317 (68%)
  • Dark, street lights lit137 (29%)
  • Dark, no street lighting5 (1.1%)
  • Dark, street lights unlit4 (0.9%)
  • Dark, lighting unknown3 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B6426 crashes

On the B6426, 96% of collisions happened where the speed limit was 30 mph and 61% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph446 (96%)
  • 40 mph5 (1.1%)
  • 60 mph12 (2.6%)
  • 70 mph2 (0.4%)

Weather at the time

  • Fine, no high winds349 (75%)
  • Raining, no high winds72 (15%)
  • Raining with high winds12 (2.6%)
  • Snowing, no high winds5 (1.1%)
  • Other17 (3.6%)
  • Not recorded11 (2.4%)

Road surface

  • Dry282 (61%)
  • Wet or damp166 (36%)
  • Frost or ice10 (2.1%)
  • Snow3 (0.6%)
  • Flood over 3cm deep1 (0.2%)
  • Not recorded4 (0.9%)

Type of road

  • Single carriageway196 (42%)
  • Roundabout175 (38%)
  • Dual carriageway95 (20%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B6426 crashes

Car occupants make up 51% of the people killed or injured on the B6426, followed by cyclists (21%).

Casualties by road user

  • Car occupant300 (51%)
  • Cyclist126 (21%)
  • Motorcyclist68 (11%)
  • Pedestrian68 (11%)
  • Bus or coach occupant19 (3.2%)
  • Mobility scooter rider3 (0.5%)
  • Other9 (1.5%)
  • Not recorded1 (0.2%)

Vehicles involved

  • Car594 (69%)
  • Pedal cycle128 (15%)
  • Motorcycle67 (7.7%)
  • Bus or coach23 (2.7%)
  • Van or goods vehicle up to 3.5 tonnes23 (2.7%)
  • Taxi or private hire car12 (1.4%)
  • Other18 (2.1%)
  • Not recorded2 (0.2%)

Casualties by age

  • 0 to 511 (1.9%)
  • 6 to 1015 (2.5%)
  • 11 to 1530 (5.1%)
  • 16 to 20128 (22%)
  • 21 to 2595 (16%)
  • 26 to 35115 (19%)
  • 36 to 4578 (13%)
  • 46 to 5553 (8.9%)
  • 56 to 6540 (6.7%)
  • 66 to 7514 (2.4%)
  • Over 7510 (1.7%)
  • Not recorded5 (0.8%)

Drivers, passengers and pedestrians

  • Driver or rider405 (68%)
  • Passenger121 (20%)
  • Pedestrian68 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B6426

Map of the 25 most recent crashes on the B6426

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B6426 crashes by council area

Collisions on the B6426 were recorded in 2 council areas. Welwyn Hatfield has the most, with 407, followed by St Albans (59).

Collisions on the B6426 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWelwyn Hatfield407513264
2ndSt Albans5981014

B6426 crashes by town

Collisions on the B6426 were recorded in 2 towns and built-up areas, led by Hatfield (354) and St Albans (16).

Recent crashes on the B6426

These are the 25 most recent collisions on the B6426, from 21 November 2021 to 26 May 2025.

Severity