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CrashStats

B1145 accidents: crash map and statistics

Police recorded 1,152 collisions on the B1145 from 1979 to 2025, with 1,730 casualties. Of those crashes, 36 were fatal and 316 serious, and 39 people were killed.

In 2025 there were 18 collisions on the B1145, up 13% from 16 in 2024, with 21 casualties.

Collisions since 1979
1,152
947th highest of 4,923 roads
Casualties
1,730
1.50 per collision
Fatal collisions
36
39 people killed
Serious collisions
316
401 seriously injured
Collisions in 2025
18
Up 13% on 2024
Casualties in 2025
21
Up 11% on 2024

Crash severity on the B1145

On the B1145, 3.1% of collisions were fatal and 27% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal363.1%
  • Serious31627%
  • Slight80069%

Where the B1145 ranks among 4,923 roads

Most collisions
947th
Most casualties
857th
Most fatal collisions
577th
Most serious collisions
675th

B1145 accidents by year

Collisions on the B1145 peaked at 42 in 1990 and were down to 18 in 2025.

Collisions and casualties on the B1145, 1979 to 2025

  • Collisions
  • Collisions in 2025: 18
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251821
20241619
20231118
20222235
202177
20201518
20191827
20181628
20171221
20162643
20151420
20141627
20131828
20122231
20111720
20101318
20091824
20081418
20072939
20062437
20052741
20042328
20032741
20022940
20012835
20003063
19993147
19983543
19973650
19962538
19952337
19943554
19933639
19922843
19912233
19904277
19893264
19883254
19872849
19862944
19852742
19843345
19833237
19822547
19812229
19803651
19793360

When crashes happen on the B1145

Friday has the most collisions on the B1145 (190), and 3pm to 6pm is the busiest time of day (282).

Collisions by day of the week

  • Monday181 (16%)
  • Tuesday144 (13%)
  • Wednesday154 (13%)
  • Thursday154 (13%)
  • Friday190 (16%)
  • Saturday172 (15%)
  • Sunday157 (14%)

Collisions by time of day

  • Midnight to 3am56 (4.9%)
  • 3am to 6am10 (0.9%)
  • 6am to 9am168 (15%)
  • 9am to noon167 (14%)
  • Noon to 3pm184 (16%)
  • 3pm to 6pm282 (24%)
  • 6pm to 9pm178 (15%)
  • 9pm to midnight107 (9.3%)

Collisions by month

  • January95 (8.2%)
  • February100 (8.7%)
  • March92 (8%)
  • April70 (6.1%)
  • May106 (9.2%)
  • June102 (8.9%)
  • July106 (9.2%)
  • August85 (7.4%)
  • September81 (7%)
  • October96 (8.3%)
  • November111 (9.6%)
  • December108 (9.4%)

Light conditions at the time

  • Daylight807 (70%)
  • Dark, no street lighting270 (23%)
  • Dark, street lights lit57 (4.9%)
  • Dark, lighting unknown14 (1.2%)
  • Dark, street lights unlit4 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B1145 crashes

On the B1145, 62% of collisions happened where the speed limit was 60 mph and 55% on a dry road surface.

Speed limit at the scene

  • 30 mph243 (21%)
  • 40 mph52 (4.5%)
  • 50 mph108 (9.4%)
  • 60 mph712 (62%)
  • 70 mph37 (3.2%)

Weather at the time

  • Fine, no high winds878 (76%)
  • Raining, no high winds151 (13%)
  • Fine with high winds25 (2.2%)
  • Fog or mist20 (1.7%)
  • Other67 (5.8%)
  • Not recorded11 (1%)

Road surface

  • Dry635 (55%)
  • Wet or damp436 (38%)
  • Frost or ice67 (5.8%)
  • Flood over 3cm deep7 (0.6%)
  • Snow5 (0.4%)
  • Not recorded2 (0.2%)

Type of road

  • Single carriageway1,130 (98%)
  • Dual carriageway11 (1%)
  • One way street or slip road8 (0.7%)
  • Roundabout2 (0.2%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B1145 crashes

Car occupants make up 71% of the people killed or injured on the B1145, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant1,232 (71%)
  • Motorcyclist217 (13%)
  • Cyclist81 (4.7%)
  • Pedestrian74 (4.3%)
  • Van occupant53 (3.1%)
  • Bus or coach occupant24 (1.4%)
  • Goods vehicle occupant (over 3.5 tonnes)22 (1.3%)
  • Other27 (1.6%)

Vehicles involved

  • Car1,417 (73%)
  • Motorcycle218 (11%)
  • Pedal cycle81 (4.2%)
  • Goods vehicle over 3.5 tonnes76 (3.9%)
  • Van or goods vehicle up to 3.5 tonnes70 (3.6%)
  • Bus or coach27 (1.4%)
  • Other50 (2.6%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 539 (2.3%)
  • 6 to 1037 (2.1%)
  • 11 to 1596 (5.5%)
  • 16 to 20391 (23%)
  • 21 to 25191 (11%)
  • 26 to 35291 (17%)
  • 36 to 45197 (11%)
  • 46 to 55183 (11%)
  • 56 to 65135 (7.8%)
  • 66 to 7592 (5.3%)
  • Over 7559 (3.4%)
  • Not recorded19 (1.1%)

Drivers, passengers and pedestrians

  • Driver or rider1,168 (68%)
  • Passenger488 (28%)
  • Pedestrian74 (4.3%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B1145

Map of the 25 most recent crashes on the B1145

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B1145 crashes by council area

Collisions on the B1145 were recorded in 4 council areas. King's Lynn and West Norfolk has the most, with 380, followed by Broadland (282) and North Norfolk (282).

Collisions on the B1145 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stKing's Lynn and West Norfolk3806372199
2ndBroadland282399482
3rdNorth Norfolk282390378
4thBreckland206302857

B1145 crashes by town

Collisions on the B1145 were recorded in 4 towns and built-up areas, led by Aylsham (48) and North Walsham (42).

Recent crashes on the B1145

These are the 25 most recent collisions on the B1145, from 13 July 2024 to 17 December 2025.

Severity