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CrashStats

A1066 accidents: crash map and statistics

Police recorded 1,141 collisions on the A1066 from 1979 to 2025, with 1,619 casualties. Of those crashes, 37 were fatal and 284 serious, and 40 people were killed.

In 2025 there were 23 collisions on the A1066, up 10% from 21 in 2024, with 29 casualties.

Collisions since 1979
1,141
953rd highest of 4,923 roads
Casualties
1,619
1.42 per collision
Fatal collisions
37
40 people killed
Serious collisions
284
360 seriously injured
Collisions in 2025
23
Up 10% on 2024
Casualties in 2025
29
Down 6% on 2024

Crash severity on the A1066

On the A1066, 3.2% of collisions were fatal and 25% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal373.2%
  • Serious28425%
  • Slight82072%

Where the A1066 ranks among 4,923 roads

Most collisions
953rd
Most casualties
912th
Most fatal collisions
563rd
Most serious collisions
759th

A1066 accidents by year

Collisions on the A1066 peaked at 41 in 1992 and were down to 23 in 2025.

Collisions and casualties on the A1066, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252329
20242131
20231416
20221316
20211720
2020913
20191722
20181626
20172142
20161925
20151931
20142136
20131622
20121820
20111623
20101621
20091726
20082534
20071522
20064059
20052749
20043040
20033543
20023145
20013245
20003646
19992132
19983141
19972128
19961932
19952640
19942335
19933138
19924160
19911825
19904153
19893756
19883750
19873749
19862934
19853044
19842736
19832238
19822634
19812428
19802031
19791633

When crashes happen on the A1066

Friday has the most collisions on the A1066 (206), and 3pm to 6pm is the busiest time of day (290).

Collisions by day of the week

  • Monday174 (15%)
  • Tuesday160 (14%)
  • Wednesday162 (14%)
  • Thursday158 (14%)
  • Friday206 (18%)
  • Saturday154 (13%)
  • Sunday127 (11%)

Collisions by time of day

  • Midnight to 3am37 (3.2%)
  • 3am to 6am15 (1.3%)
  • 6am to 9am172 (15%)
  • 9am to noon206 (18%)
  • Noon to 3pm194 (17%)
  • 3pm to 6pm290 (25%)
  • 6pm to 9pm152 (13%)
  • 9pm to midnight75 (6.6%)

Collisions by month

  • January91 (8%)
  • February90 (7.9%)
  • March81 (7.1%)
  • April96 (8.4%)
  • May76 (6.7%)
  • June95 (8.3%)
  • July106 (9.3%)
  • August96 (8.4%)
  • September108 (9.5%)
  • October110 (9.6%)
  • November102 (8.9%)
  • December90 (7.9%)

Light conditions at the time

  • Daylight871 (76%)
  • Dark, no street lighting145 (13%)
  • Dark, street lights lit115 (10%)
  • Dark, lighting unknown7 (0.6%)
  • Dark, street lights unlit3 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A1066 crashes

On the A1066, 43% of collisions happened where the speed limit was 60 mph and 61% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.3%)
  • 30 mph455 (40%)
  • 40 mph147 (13%)
  • 50 mph29 (2.5%)
  • 60 mph495 (43%)
  • 70 mph12 (1.1%)

Weather at the time

  • Fine, no high winds878 (77%)
  • Raining, no high winds153 (13%)
  • Fog or mist24 (2.1%)
  • Fine with high winds16 (1.4%)
  • Other63 (5.5%)
  • Not recorded7 (0.6%)

Road surface

  • Dry693 (61%)
  • Wet or damp419 (37%)
  • Frost or ice21 (1.8%)
  • Snow6 (0.5%)
  • Flood over 3cm deep2 (0.2%)

Type of road

  • Single carriageway1,074 (94%)
  • Roundabout56 (4.9%)
  • Dual carriageway4 (0.4%)
  • One way street or slip road4 (0.4%)
  • Not recorded3 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A1066 crashes

Car occupants make up 69% of the people killed or injured on the A1066, followed by motorcyclists (11%).

Casualties by road user

  • Car occupant1,114 (69%)
  • Motorcyclist170 (11%)
  • Pedestrian116 (7.2%)
  • Cyclist96 (5.9%)
  • Van occupant46 (2.8%)
  • Goods vehicle occupant (over 3.5 tonnes)39 (2.4%)
  • Other vehicle occupant13 (0.8%)
  • Other25 (1.5%)

Vehicles involved

  • Car1,528 (72%)
  • Motorcycle175 (8.3%)
  • Goods vehicle over 3.5 tonnes141 (6.7%)
  • Pedal cycle100 (4.7%)
  • Van or goods vehicle up to 3.5 tonnes87 (4.1%)
  • Other vehicle32 (1.5%)
  • Minibus14 (0.7%)
  • Other36 (1.7%)

Casualties by age

  • 0 to 525 (1.5%)
  • 6 to 1041 (2.5%)
  • 11 to 1559 (3.6%)
  • 16 to 20265 (16%)
  • 21 to 25215 (13%)
  • 26 to 35254 (16%)
  • 36 to 45258 (16%)
  • 46 to 55160 (9.9%)
  • 56 to 65142 (8.8%)
  • 66 to 7597 (6%)
  • Over 7583 (5.1%)
  • Not recorded20 (1.2%)

Drivers, passengers and pedestrians

  • Driver or rider1,087 (67%)
  • Passenger416 (26%)
  • Pedestrian116 (7.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A1066

Map of the 25 most recent crashes on the A1066

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

  • 25 crashes
  • Serious
  • Slight

A1066 crashes by council area

Collisions on the A1066 were recorded in 2 council areas. South Norfolk has the most, with 607, followed by Breckland (531).

Collisions on the A1066 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouth Norfolk60780912148
2ndBreckland53180025136

A1066 crashes by town

Collisions on the A1066 were recorded in 2 towns and built-up areas, led by Diss (351) and Thetford (144).

Recent crashes on the A1066

These are the 25 most recent collisions on the A1066, from 22 October 2024 to 26 November 2025.

Severity