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CrashStats

A1000 accidents: crash map and statistics

Police recorded 8,959 collisions on the A1000 from 1979 to 2025, with 11,330 casualties. Of those crashes, 117 were fatal and 1,454 serious, and 127 people were killed.

In 2025 there were 91 collisions on the A1000, down 5% from 96 in 2024, with 113 casualties.

Collisions since 1979
8,959
91st highest of 4,923 roads
Casualties
11,330
1.26 per collision
Fatal collisions
117
127 people killed
Serious collisions
1,454
1,678 seriously injured
Collisions in 2025
91
Down 5% on 2024
Casualties in 2025
113
Down 10% on 2024

Crash severity on the A1000

On the A1000, 1.3% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal1171.3%
  • Serious1,45416%
  • Slight7,38882%

Where the A1000 ranks among 4,923 roads

Most collisions
91st
Most casualties
109th
Most fatal collisions
170th
Most serious collisions
119th

A1000 accidents by year

Collisions on the A1000 peaked at 313 in 1982 and were down to 91 in 2025.

Collisions and casualties on the A1000, 1979 to 2025

  • Collisions
  • Collisions in 2025: 91
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202591113
202496125
2023100108
2022102115
2021116134
20207497
2019108135
201897124
2017118139
2016135185
2015127157
2014139194
2013146179
2012135157
2011133166
2010139193
2009142186
2008136173
2007167224
2006159196
2005155197
2004196252
2003210269
2002231301
2001211280
2000235299
1999249339
1998226320
1997227279
1996232287
1995237281
1994225277
1993245307
1992249348
1991237292
1990287372
1989263312
1988236294
1987215260
1986253316
1985266338
1984265317
1983235296
1982313380
1981249318
1980273334
1979279365

When crashes happen on the A1000

Friday has the most collisions on the A1000 (1,451), and 3pm to 6pm is the busiest time of day (1,928).

Collisions by day of the week

  • Monday1,277 (14%)
  • Tuesday1,265 (14%)
  • Wednesday1,378 (15%)
  • Thursday1,381 (15%)
  • Friday1,451 (16%)
  • Saturday1,215 (14%)
  • Sunday992 (11%)

Collisions by time of day

  • Midnight to 3am350 (3.9%)
  • 3am to 6am141 (1.6%)
  • 6am to 9am1,211 (14%)
  • 9am to noon1,339 (15%)
  • Noon to 3pm1,568 (18%)
  • 3pm to 6pm1,928 (22%)
  • 6pm to 9pm1,496 (17%)
  • 9pm to midnight926 (10%)

Collisions by month

  • January726 (8.1%)
  • February693 (7.7%)
  • March691 (7.7%)
  • April730 (8.1%)
  • May707 (7.9%)
  • June683 (7.6%)
  • July725 (8.1%)
  • August742 (8.3%)
  • September719 (8%)
  • October890 (9.9%)
  • November897 (10%)
  • December756 (8.4%)

Light conditions at the time

  • Daylight6,263 (70%)
  • Dark, street lights lit2,537 (28%)
  • Dark, lighting unknown81 (0.9%)
  • Dark, no street lighting59 (0.7%)
  • Dark, street lights unlit19 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A1000 crashes

On the A1000, 76% of collisions happened where the speed limit was 30 mph and 68% on a dry road surface.

Speed limit at the scene

  • 20 mph75 (0.8%)
  • 30 mph6,780 (76%)
  • 40 mph616 (6.9%)
  • 50 mph300 (3.3%)
  • 60 mph1,049 (12%)
  • 70 mph136 (1.5%)
  • Not recorded3 (under 0.1%)

Weather at the time

  • Fine, no high winds6,753 (75%)
  • Raining, no high winds1,271 (14%)
  • Fine with high winds70 (0.8%)
  • Raining with high winds68 (0.8%)
  • Other702 (7.8%)
  • Not recorded95 (1.1%)

Road surface

  • Dry6,135 (68%)
  • Wet or damp2,612 (29%)
  • Frost or ice124 (1.4%)
  • Snow45 (0.5%)
  • Other11 (0.1%)
  • Not recorded32 (0.4%)

Type of road

  • Single carriageway7,308 (82%)
  • Dual carriageway605 (6.8%)
  • One way street or slip road360 (4%)
  • Roundabout293 (3.3%)
  • Not recorded393 (4.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A1000 crashes

Car occupants make up 54% of the people killed or injured on the A1000, followed by motorcyclists (16%).

Casualties by road user

  • Car occupant6,083 (54%)
  • Motorcyclist1,803 (16%)
  • Pedestrian1,737 (15%)
  • Cyclist949 (8.4%)
  • Bus or coach occupant411 (3.6%)
  • Van occupant209 (1.8%)
  • Taxi or private hire car occupant56 (0.5%)
  • Other82 (0.7%)

Vehicles involved

  • Car11,668 (71%)
  • Motorcycle1,897 (12%)
  • Pedal cycle967 (5.9%)
  • Van or goods vehicle up to 3.5 tonnes762 (4.7%)
  • Bus or coach519 (3.2%)
  • Goods vehicle over 3.5 tonnes289 (1.8%)
  • Other241 (1.5%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 5145 (1.3%)
  • 6 to 10213 (1.9%)
  • 11 to 15494 (4.4%)
  • 16 to 201,828 (16%)
  • 21 to 251,563 (14%)
  • 26 to 352,205 (19%)
  • 36 to 451,559 (14%)
  • 46 to 551,125 (9.9%)
  • 56 to 65783 (6.9%)
  • 66 to 75521 (4.6%)
  • Over 75425 (3.8%)
  • Not recorded469 (4.1%)

Drivers, passengers and pedestrians

  • Driver or rider7,136 (63%)
  • Passenger2,457 (22%)
  • Pedestrian1,737 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A1000

Map of the 25 most recent crashes on the A1000

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

  • 25 crashes
  • Serious
  • Slight

A1000 crashes by council area

Collisions on the A1000 were recorded in 5 council areas. Barnet has the most, with 5,632, followed by Welwyn Hatfield (2,354) and Hertsmere (817).

Collisions on the A1000 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBarnet5,6326,63252819
2ndWelwyn Hatfield2,3543,33746454
3rdHertsmere8171,12818154
4thHaringey131174122
5thNorth Yorkshire144503

A1000 crashes by town

Collisions on the A1000 were recorded in 8 towns and built-up areas, led by Barnet (4,882) and Welwyn Garden City (524).

Recent crashes on the A1000

These are the 25 most recent collisions on the A1000, from 16 September to 21 December 2025.

Severity