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CrashStats

A1122 accidents: crash map and statistics

Police recorded 783 collisions on the A1122 from 1979 to 2025, with 1,225 casualties. Of those crashes, 38 were fatal and 223 serious, and 41 people were killed.

In 2025 there were 11 collisions on the A1122, up 38% from 8 in 2024, with 18 casualties.

Collisions since 1979
783
1,368th highest of 4,923 roads
Casualties
1,225
1.56 per collision
Fatal collisions
38
41 people killed
Serious collisions
223
303 seriously injured
Collisions in 2025
11
Up 38% on 2024
Casualties in 2025
18
Up 20% on 2024

Crash severity on the A1122

On the A1122, 4.9% of collisions were fatal and 28% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal384.9%
  • Serious22328%
  • Slight52267%

Where the A1122 ranks among 4,923 roads

Most collisions
1,368th
Most casualties
1,195th
Most fatal collisions
552nd
Most serious collisions
959th

A1122 accidents by year

Collisions on the A1122 peaked at 36 in 1993 and were down to 11 in 2025.

Collisions and casualties on the A1122, 1979 to 2025

  • Collisions
  • Collisions in 2025: 11
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251118
2024815
20231222
202259
202144
2020713
2019812
20181316
20171627
20161216
2015610
20141422
20131423
20121320
20111827
20101017
20091215
20081115
20071723
20061115
20051730
20042029
20031931
20021317
20012740
20002232
19992233
19982137
19971932
19961216
19951733
19941629
19933659
19921535
19911724
19902742
19893571
19881926
19871625
19862843
19852029
19841520
19832026
19822127
19812345
19802530
19791925

When crashes happen on the A1122

Friday has the most collisions on the A1122 (148), and 3pm to 6pm is the busiest time of day (203).

Collisions by day of the week

  • Monday106 (14%)
  • Tuesday102 (13%)
  • Wednesday122 (16%)
  • Thursday109 (14%)
  • Friday148 (19%)
  • Saturday100 (13%)
  • Sunday96 (12%)

Collisions by time of day

  • Midnight to 3am21 (2.7%)
  • 3am to 6am17 (2.2%)
  • 6am to 9am111 (14%)
  • 9am to noon136 (17%)
  • Noon to 3pm128 (16%)
  • 3pm to 6pm203 (26%)
  • 6pm to 9pm94 (12%)
  • 9pm to midnight73 (9.3%)

Collisions by month

  • January65 (8.3%)
  • February58 (7.4%)
  • March67 (8.6%)
  • April52 (6.6%)
  • May48 (6.1%)
  • June55 (7%)
  • July84 (11%)
  • August76 (9.7%)
  • September57 (7.3%)
  • October74 (9.5%)
  • November71 (9.1%)
  • December76 (9.7%)

Light conditions at the time

  • Daylight573 (73%)
  • Dark, no street lighting159 (20%)
  • Dark, street lights lit40 (5.1%)
  • Dark, lighting unknown6 (0.8%)
  • Dark, street lights unlit5 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A1122 crashes

On the A1122, 63% of collisions happened where the speed limit was 60 mph and 55% on a dry road surface.

Speed limit at the scene

  • 30 mph148 (19%)
  • 40 mph90 (11%)
  • 50 mph35 (4.5%)
  • 60 mph494 (63%)
  • 70 mph16 (2%)

Weather at the time

  • Fine, no high winds580 (74%)
  • Raining, no high winds99 (13%)
  • Fine with high winds30 (3.8%)
  • Fog or mist13 (1.7%)
  • Other57 (7.3%)
  • Not recorded4 (0.5%)

Road surface

  • Dry428 (55%)
  • Wet or damp321 (41%)
  • Frost or ice24 (3.1%)
  • Snow8 (1%)
  • Flood over 3cm deep1 (0.1%)
  • Oil or diesel1 (0.1%)

Type of road

  • Single carriageway755 (96%)
  • One way street or slip road13 (1.7%)
  • Roundabout9 (1.1%)
  • Dual carriageway4 (0.5%)
  • Not recorded2 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A1122 crashes

Car occupants make up 70% of the people killed or injured on the A1122, followed by motorcyclists (9.7%).

Casualties by road user

  • Car occupant858 (70%)
  • Motorcyclist119 (9.7%)
  • Van occupant72 (5.9%)
  • Goods vehicle occupant (over 3.5 tonnes)45 (3.7%)
  • Pedestrian40 (3.3%)
  • Minibus occupant34 (2.8%)
  • Cyclist26 (2.1%)
  • Other31 (2.5%)

Vehicles involved

  • Car977 (70%)
  • Goods vehicle over 3.5 tonnes125 (9%)
  • Motorcycle117 (8.4%)
  • Van or goods vehicle up to 3.5 tonnes102 (7.3%)
  • Pedal cycle27 (1.9%)
  • Other vehicle18 (1.3%)
  • Minibus12 (0.9%)
  • Other15 (1.1%)

Casualties by age

  • 0 to 511 (0.9%)
  • 6 to 1019 (1.6%)
  • 11 to 1572 (5.9%)
  • 16 to 20215 (18%)
  • 21 to 25157 (13%)
  • 26 to 35213 (17%)
  • 36 to 45166 (14%)
  • 46 to 55135 (11%)
  • 56 to 65107 (8.7%)
  • 66 to 7567 (5.5%)
  • Over 7545 (3.7%)
  • Not recorded18 (1.5%)

Drivers, passengers and pedestrians

  • Driver or rider793 (65%)
  • Passenger392 (32%)
  • Pedestrian40 (3.3%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A1122

Map of the 25 most recent crashes on the A1122

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A1122 crashes by council area

Collisions on the A1122 were recorded in 2 council areas. King's Lynn and West Norfolk has the most, with 685, followed by Breckland (94).

Collisions on the A1122 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stKing's Lynn and West Norfolk6851,06134189
2ndBreckland94160333

A1122 crashes by town

Collisions on the A1122 were recorded in 2 towns and built-up areas, led by Upwell and Outwell (58) and Downham Market (34).

Recent crashes on the A1122

These are the 25 most recent collisions on the A1122, from 26 June 2023 to 18 October 2025.

Severity