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CrashStats

A1101 accidents: crash map and statistics

Police recorded 3,881 collisions on the A1101 from 1979 to 2025, with 5,608 casualties. Of those crashes, 104 were fatal and 893 serious, and 120 people were killed.

In 2025 there were 37 collisions on the A1101, down 26% from 50 in 2024, with 51 casualties.

Collisions since 1979
3,881
283rd highest of 4,923 roads
Casualties
5,608
1.44 per collision
Fatal collisions
104
120 people killed
Serious collisions
893
1,145 seriously injured
Collisions in 2025
37
Down 26% on 2024
Casualties in 2025
51
Down 30% on 2024

Crash severity on the A1101

On the A1101, 2.7% of collisions were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal1042.7%
  • Serious89323%
  • Slight2,88474%

Where the A1101 ranks among 4,923 roads

Most collisions
283rd
Most casualties
265th
Most fatal collisions
198th
Most serious collisions
212th

A1101 accidents by year

Collisions on the A1101 peaked at 125 in 1989 and were down to 37 in 2025.

Collisions and casualties on the A1101, 1979 to 2025

  • Collisions
  • Collisions in 2025: 37
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253751
20245073
20232729
20223349
20213670
20204660
20193856
20183760
20174367
20166086
20156389
20146276
20137493
20125685
20115980
201073101
200968116
200880107
200798135
200691128
2005110151
200491130
2003107173
2002112157
2001113162
2000101154
199992136
199887130
199796145
1996115171
199583114
199497137
199385116
1992112157
199184132
1990114152
1989125164
1988122170
198797143
198696146
198589122
198499130
1983110157
198296139
1981101156
1980113186
1979103167

When crashes happen on the A1101

Friday has the most collisions on the A1101 (700), and 3pm to 6pm is the busiest time of day (939).

Collisions by day of the week

  • Monday512 (13%)
  • Tuesday523 (13%)
  • Wednesday590 (15%)
  • Thursday588 (15%)
  • Friday700 (18%)
  • Saturday540 (14%)
  • Sunday428 (11%)

Collisions by time of day

  • Midnight to 3am154 (4%)
  • 3am to 6am76 (2%)
  • 6am to 9am550 (14%)
  • 9am to noon595 (15%)
  • Noon to 3pm641 (17%)
  • 3pm to 6pm939 (24%)
  • 6pm to 9pm567 (15%)
  • 9pm to midnight359 (9.3%)

Collisions by month

  • January346 (8.9%)
  • February295 (7.6%)
  • March289 (7.4%)
  • April279 (7.2%)
  • May308 (7.9%)
  • June308 (7.9%)
  • July315 (8.1%)
  • August291 (7.5%)
  • September355 (9.1%)
  • October331 (8.5%)
  • November380 (9.8%)
  • December384 (9.9%)

Light conditions at the time

  • Daylight2,736 (70%)
  • Dark, street lights lit534 (14%)
  • Dark, no street lighting526 (14%)
  • Dark, lighting unknown46 (1.2%)
  • Dark, street lights unlit37 (1%)
  • Not recorded2 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A1101 crashes

On the A1101, 42% of collisions happened where the speed limit was 60 mph and 60% on a dry road surface.

Speed limit at the scene

  • 30 mph1,532 (39%)
  • 40 mph503 (13%)
  • 50 mph122 (3.1%)
  • 60 mph1,641 (42%)
  • 70 mph83 (2.1%)

Weather at the time

  • Fine, no high winds2,838 (73%)
  • Raining, no high winds514 (13%)
  • Fine with high winds104 (2.7%)
  • Fog or mist64 (1.6%)
  • Other300 (7.7%)
  • Not recorded61 (1.6%)

Road surface

  • Dry2,335 (60%)
  • Wet or damp1,407 (36%)
  • Frost or ice100 (2.6%)
  • Snow19 (0.5%)
  • Other17 (0.4%)
  • Not recorded3 (0.1%)

Type of road

  • Single carriageway3,185 (82%)
  • Dual carriageway410 (11%)
  • Roundabout262 (6.8%)
  • One way street or slip road17 (0.4%)
  • Not recorded7 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A1101 crashes

Car occupants make up 68% of the people killed or injured on the A1101, followed by motorcyclists (11%).

Casualties by road user

  • Car occupant3,799 (68%)
  • Motorcyclist630 (11%)
  • Cyclist385 (6.9%)
  • Pedestrian350 (6.2%)
  • Van occupant192 (3.4%)
  • Goods vehicle occupant (over 3.5 tonnes)93 (1.7%)
  • Minibus occupant56 (1%)
  • Other103 (1.8%)

Vehicles involved

  • Car5,032 (72%)
  • Motorcycle628 (9%)
  • Pedal cycle399 (5.7%)
  • Van or goods vehicle up to 3.5 tonnes363 (5.2%)
  • Goods vehicle over 3.5 tonnes342 (4.9%)
  • Other vehicle70 (1%)
  • Other172 (2.5%)
  • Not recorded2 (under 0.1%)

Casualties by age

  • 0 to 595 (1.7%)
  • 6 to 10132 (2.4%)
  • 11 to 15276 (4.9%)
  • 16 to 201,130 (20%)
  • 21 to 25907 (16%)
  • 26 to 35983 (18%)
  • 36 to 45704 (13%)
  • 46 to 55530 (9.5%)
  • 56 to 65393 (7%)
  • 66 to 75231 (4.1%)
  • Over 75151 (2.7%)
  • Not recorded76 (1.4%)

Drivers, passengers and pedestrians

  • Driver or rider3,700 (66%)
  • Passenger1,558 (28%)
  • Pedestrian350 (6.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A1101

Map of the 25 most recent crashes on the A1101

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

  • 25 crashes
  • Serious
  • Slight

A1101 crashes by council area

Collisions on the A1101 were recorded in 5 council areas. West Suffolk has the most, with 1,516, followed by Fenland (1,250) and King's Lynn and West Norfolk (682).

Collisions on the A1101 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWest Suffolk1,5162,18426341
2ndFenland1,2501,70337251
3rdKing's Lynn and West Norfolk6821,01827202
4thEast Cambridgeshire2714211060
5thSouth Holland158277439

A1101 crashes by town

Collisions on the A1101 were recorded in 10 towns and built-up areas, led by Wisbech (848) and Mildenhall, West Suffolk (308).

Recent crashes on the A1101

These are the 25 most recent collisions on the A1101, from 24 March to 23 December 2025.

Severity