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CrashStats

B1146 accidents: crash map and statistics

Police recorded 549 collisions on the B1146 from 1979 to 2025, with 787 casualties. Of those crashes, 12 were fatal and 130 serious, and 13 people were killed.

In 2025 there were 11 collisions on the B1146, up 83% from 6 in 2024, with 15 casualties.

Collisions since 1979
549
1,823rd highest of 4,923 roads
Casualties
787
1.43 per collision
Fatal collisions
12
13 people killed
Serious collisions
130
162 seriously injured
Collisions in 2025
11
Up 83% on 2024
Casualties in 2025
15
Up 25% on 2024

Crash severity on the B1146

On the B1146, 2.2% of collisions were fatal and 24% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal122.2%
  • Serious13024%
  • Slight40774%

Where the B1146 ranks among 4,923 roads

Most collisions
1,823rd
Most casualties
1,753rd
Most fatal collisions
1,505th
Most serious collisions
1,551st

B1146 accidents by year

Collisions on the B1146 peaked at 24 in 1995 and were down to 11 in 2025.

Collisions and casualties on the B1146, 1979 to 2025

  • Collisions
  • Collisions in 2025: 11
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251115
2024612
202334
202278
2021713
2020710
20191016
2018710
2017610
201635
2015812
2014711
201379
2012812
201158
20101016
20091621
20081316
2007711
20061218
20051723
20042028
20031424
20021928
2001914
200046
19991823
1998711
19971729
19961924
19952432
19942231
19932441
19921420
1991712
19901519
19891820
19882026
19871628
1986915
198589
19841923
1983911
19821112
1981913
1980810
19791218

When crashes happen on the B1146

Friday has the most collisions on the B1146 (94), and 3pm to 6pm is the busiest time of day (154).

Collisions by day of the week

  • Monday67 (12%)
  • Tuesday74 (13%)
  • Wednesday79 (14%)
  • Thursday92 (17%)
  • Friday94 (17%)
  • Saturday75 (14%)
  • Sunday68 (12%)

Collisions by time of day

  • Midnight to 3am11 (2%)
  • 3am to 6am4 (0.7%)
  • 6am to 9am59 (11%)
  • 9am to noon81 (15%)
  • Noon to 3pm109 (20%)
  • 3pm to 6pm154 (28%)
  • 6pm to 9pm68 (12%)
  • 9pm to midnight63 (11%)

Collisions by month

  • January45 (8.2%)
  • February32 (5.8%)
  • March46 (8.4%)
  • April43 (7.8%)
  • May45 (8.2%)
  • June42 (7.7%)
  • July46 (8.4%)
  • August49 (8.9%)
  • September36 (6.6%)
  • October41 (7.5%)
  • November67 (12%)
  • December57 (10%)

Light conditions at the time

  • Daylight394 (72%)
  • Dark, no street lighting83 (15%)
  • Dark, street lights lit60 (11%)
  • Dark, lighting unknown11 (2%)
  • Dark, street lights unlit1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B1146 crashes

On the B1146, 42% of collisions happened where the speed limit was 60 mph and 57% on a dry road surface.

Speed limit at the scene

  • 20 mph6 (1.1%)
  • 30 mph231 (42%)
  • 40 mph76 (14%)
  • 60 mph232 (42%)
  • 70 mph4 (0.7%)

Weather at the time

  • Fine, no high winds418 (76%)
  • Raining, no high winds80 (15%)
  • Fog or mist10 (1.8%)
  • Fine with high winds6 (1.1%)
  • Other30 (5.5%)
  • Not recorded5 (0.9%)

Road surface

  • Dry314 (57%)
  • Wet or damp209 (38%)
  • Frost or ice17 (3.1%)
  • Flood over 3cm deep3 (0.5%)
  • Other4 (0.7%)
  • Not recorded2 (0.4%)

Type of road

  • Single carriageway532 (97%)
  • Roundabout9 (1.6%)
  • One way street or slip road6 (1.1%)
  • Dual carriageway2 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B1146 crashes

Car occupants make up 64% of the people killed or injured on the B1146, followed by motorcyclists (17%).

Casualties by road user

  • Car occupant504 (64%)
  • Motorcyclist130 (17%)
  • Pedestrian74 (9.4%)
  • Cyclist47 (6%)
  • Van occupant13 (1.7%)
  • Other vehicle occupant9 (1.1%)
  • Bus or coach occupant4 (0.5%)
  • Other6 (0.8%)

Vehicles involved

  • Car697 (71%)
  • Motorcycle135 (14%)
  • Pedal cycle48 (4.9%)
  • Van or goods vehicle up to 3.5 tonnes36 (3.7%)
  • Goods vehicle over 3.5 tonnes28 (2.9%)
  • Other vehicle13 (1.3%)
  • Bus or coach7 (0.7%)
  • Other11 (1.1%)

Casualties by age

  • 0 to 58 (1%)
  • 6 to 1022 (2.8%)
  • 11 to 1539 (5%)
  • 16 to 20210 (27%)
  • 21 to 2582 (10%)
  • 26 to 35118 (15%)
  • 36 to 4585 (11%)
  • 46 to 5561 (7.8%)
  • 56 to 6566 (8.4%)
  • 66 to 7543 (5.5%)
  • Over 7541 (5.2%)
  • Not recorded12 (1.5%)

Drivers, passengers and pedestrians

  • Driver or rider533 (68%)
  • Passenger180 (23%)
  • Pedestrian74 (9.4%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B1146

Map of the 25 most recent crashes on the B1146

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

  • 25 crashes
  • Serious
  • Slight

B1146 crashes by council area

Collisions on the B1146 were recorded in 2 council areas. North Norfolk has the most, with 323, followed by Breckland (226).

Collisions on the B1146 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stNorth Norfolk323442370
2ndBreckland226345960

B1146 crashes by town

Collisions on the B1146 were recorded in 2 towns and built-up areas, led by Fakenham (197) and Dereham (31).

Recent crashes on the B1146

These are the 25 most recent collisions on the B1146, from 28 July 2022 to 20 December 2025.

Severity