Skip to main content
CrashStats

A1057 accidents: crash map and statistics

Police recorded 1,072 collisions on the A1057 from 1979 to 2025, with 1,449 casualties. Of those crashes, 19 were fatal and 184 serious, and 19 people were killed.

In 2025 there were 11 collisions on the A1057, up 10% from 10 in 2024, with 12 casualties.

Collisions since 1979
1,072
1,023rd highest of 4,923 roads
Casualties
1,449
1.35 per collision
Fatal collisions
19
19 people killed
Serious collisions
184
222 seriously injured
Collisions in 2025
11
Up 10% on 2024
Casualties in 2025
12
Down 20% on 2024

Crash severity on the A1057

On the A1057, 1.8% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal191.8%
  • Serious18417%
  • Slight86981%

Where the A1057 ranks among 4,923 roads

Most collisions
1,023rd
Most casualties
1,022nd
Most fatal collisions
1,031st
Most serious collisions
1,142nd

A1057 accidents by year

Collisions on the A1057 peaked at 48 in 2000 and were down to 11 in 2025.

Collisions and casualties on the A1057, 1979 to 2025

  • Collisions
  • Collisions in 2025: 11
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251112
20241015
202399
20221115
2021920
202068
20191619
2018917
201758
20161518
20152230
20142126
20131518
20121519
20112223
20101825
20092133
20082533
20072539
20062632
20052532
20042534
20033944
20024564
20014070
20004868
19993661
19982835
19972430
19963041
19952532
19942531
19933450
19923447
19913145
19904261
19893339
19883758
19873038
19861822
19851718
19841516
19831518
19821823
19811517
19801516
19791720

When crashes happen on the A1057

Friday has the most collisions on the A1057 (194), and 3pm to 6pm is the busiest time of day (274).

Collisions by day of the week

  • Monday151 (14%)
  • Tuesday172 (16%)
  • Wednesday174 (16%)
  • Thursday151 (14%)
  • Friday194 (18%)
  • Saturday138 (13%)
  • Sunday92 (8.6%)

Collisions by time of day

  • Midnight to 3am34 (3.2%)
  • 3am to 6am7 (0.7%)
  • 6am to 9am157 (15%)
  • 9am to noon154 (14%)
  • Noon to 3pm198 (18%)
  • 3pm to 6pm274 (26%)
  • 6pm to 9pm158 (15%)
  • 9pm to midnight90 (8.4%)

Collisions by month

  • January88 (8.2%)
  • February97 (9%)
  • March77 (7.2%)
  • April79 (7.4%)
  • May97 (9%)
  • June80 (7.5%)
  • July80 (7.5%)
  • August72 (6.7%)
  • September84 (7.8%)
  • October118 (11%)
  • November108 (10%)
  • December92 (8.6%)

Light conditions at the time

  • Daylight770 (72%)
  • Dark, street lights lit288 (27%)
  • Dark, lighting unknown8 (0.7%)
  • Dark, street lights unlit6 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A1057 crashes

On the A1057, 73% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.1%)
  • 30 mph779 (73%)
  • 40 mph286 (27%)
  • 50 mph3 (0.3%)
  • 60 mph3 (0.3%)

Weather at the time

  • Fine, no high winds842 (79%)
  • Raining, no high winds158 (15%)
  • Fine with high winds17 (1.6%)
  • Raining with high winds12 (1.1%)
  • Other29 (2.7%)
  • Not recorded14 (1.3%)

Road surface

  • Dry690 (64%)
  • Wet or damp363 (34%)
  • Frost or ice14 (1.3%)
  • Snow2 (0.2%)
  • Not recorded3 (0.3%)

Type of road

  • Single carriageway871 (81%)
  • Roundabout170 (16%)
  • Dual carriageway30 (2.8%)
  • One way street or slip road1 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A1057 crashes

Car occupants make up 56% of the people killed or injured on the A1057, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant808 (56%)
  • Motorcyclist191 (13%)
  • Cyclist189 (13%)
  • Pedestrian169 (12%)
  • Bus or coach occupant40 (2.8%)
  • Van occupant31 (2.1%)
  • Minibus occupant11 (0.8%)
  • Other10 (0.7%)

Vehicles involved

  • Car1,499 (71%)
  • Motorcycle194 (9.2%)
  • Pedal cycle189 (9%)
  • Van or goods vehicle up to 3.5 tonnes89 (4.2%)
  • Bus or coach58 (2.8%)
  • Goods vehicle over 3.5 tonnes40 (1.9%)
  • Other32 (1.5%)
  • Not recorded2 (0.1%)

Casualties by age

  • 0 to 517 (1.2%)
  • 6 to 1027 (1.9%)
  • 11 to 1589 (6.1%)
  • 16 to 20289 (20%)
  • 21 to 25228 (16%)
  • 26 to 35299 (21%)
  • 36 to 45186 (13%)
  • 46 to 55137 (9.5%)
  • 56 to 6593 (6.4%)
  • 66 to 7543 (3%)
  • Over 7538 (2.6%)
  • Not recorded3 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider948 (65%)
  • Passenger332 (23%)
  • Pedestrian169 (12%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A1057

Map of the 25 most recent crashes on the A1057

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A1057 crashes by council area

Collisions on the A1057 were recorded in 2 council areas. St Albans has the most, with 786, followed by Welwyn Hatfield (283).

Collisions on the A1057 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSt Albans7861,06613125
2ndWelwyn Hatfield283379657

A1057 crashes by town

Collisions on the A1057 were recorded in 3 towns and built-up areas, led by St Albans (672) and Hatfield (241).

Recent crashes on the A1057

These are the 25 most recent collisions on the A1057, from 6 October 2023 to 12 December 2025.

Severity