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CrashStats

B2166 accidents: crash map and statistics

Police recorded 1,064 collisions on the B2166 from 1979 to 2025, with 1,358 casualties. Of those crashes, 12 were fatal and 190 serious, and 12 people were killed.

In 2025 there were 12 collisions on the B2166, down 8% from 13 in 2024, with 16 casualties.

Collisions since 1979
1,064
1,028th highest of 4,923 roads
Casualties
1,358
1.28 per collision
Fatal collisions
12
12 people killed
Serious collisions
190
218 seriously injured
Collisions in 2025
12
Down 8% on 2024
Casualties in 2025
16
Up 7% on 2024

Crash severity on the B2166

On the B2166, 1.1% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal121.1%
  • Serious19018%
  • Slight86281%

Where the B2166 ranks among 4,923 roads

Most collisions
1,028th
Most casualties
1,087th
Most fatal collisions
1,505th
Most serious collisions
1,093rd

B2166 accidents by year

Collisions on the B2166 peaked at 43 in 1987 and were down to 12 in 2025.

Collisions and casualties on the B2166, 1979 to 2025

  • Collisions
  • Collisions in 2025: 12
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251216
20241315
2023910
20221928
202167
20201115
20192022
20181416
20172127
20161419
20152333
20141719
20131319
20121216
20112027
20102025
20091820
20083047
20071723
20062432
20051723
20042539
20031519
20022840
20011722
20003138
19992024
19982635
19972430
19962936
19952233
19942124
19932736
19922435
19913039
19903441
19893539
19883038
19874353
19864048
19852631
19843742
19832435
19823035
19812730
19801920
19793037

When crashes happen on the B2166

Friday has the most collisions on the B2166 (168), and 3pm to 6pm is the busiest time of day (246).

Collisions by day of the week

  • Monday152 (14%)
  • Tuesday159 (15%)
  • Wednesday137 (13%)
  • Thursday163 (15%)
  • Friday168 (16%)
  • Saturday155 (15%)
  • Sunday130 (12%)

Collisions by time of day

  • Midnight to 3am34 (3.2%)
  • 3am to 6am10 (0.9%)
  • 6am to 9am133 (13%)
  • 9am to noon179 (17%)
  • Noon to 3pm192 (18%)
  • 3pm to 6pm246 (23%)
  • 6pm to 9pm153 (14%)
  • 9pm to midnight117 (11%)

Collisions by month

  • January81 (7.6%)
  • February65 (6.1%)
  • March78 (7.3%)
  • April66 (6.2%)
  • May81 (7.6%)
  • June89 (8.4%)
  • July114 (11%)
  • August111 (10%)
  • September86 (8.1%)
  • October97 (9.1%)
  • November102 (9.6%)
  • December94 (8.8%)

Light conditions at the time

  • Daylight778 (73%)
  • Dark, street lights lit169 (16%)
  • Dark, no street lighting103 (9.7%)
  • Dark, lighting unknown12 (1.1%)
  • Dark, street lights unlit2 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B2166 crashes

On the B2166, 65% of collisions happened where the speed limit was 30 mph and 68% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (0.2%)
  • 30 mph689 (65%)
  • 40 mph55 (5.2%)
  • 50 mph6 (0.6%)
  • 60 mph305 (29%)
  • 70 mph7 (0.7%)

Weather at the time

  • Fine, no high winds842 (79%)
  • Raining, no high winds115 (11%)
  • Fine with high winds27 (2.5%)
  • Raining with high winds26 (2.4%)
  • Other28 (2.6%)
  • Not recorded26 (2.4%)

Road surface

  • Dry726 (68%)
  • Wet or damp319 (30%)
  • Frost or ice15 (1.4%)
  • Snow4 (0.4%)

Type of road

  • Single carriageway936 (88%)
  • Roundabout120 (11%)
  • Dual carriageway3 (0.3%)
  • One way street or slip road3 (0.3%)
  • Not recorded2 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B2166 crashes

Car occupants make up 53% of the people killed or injured on the B2166, followed by cyclists (15%).

Casualties by road user

  • Car occupant716 (53%)
  • Cyclist207 (15%)
  • Motorcyclist192 (14%)
  • Pedestrian145 (11%)
  • Bus or coach occupant44 (3.2%)
  • Van occupant27 (2%)
  • Other26 (1.9%)
  • Not recorded1 (0.1%)

Vehicles involved

  • Car1,301 (68%)
  • Pedal cycle212 (11%)
  • Motorcycle202 (11%)
  • Van or goods vehicle up to 3.5 tonnes73 (3.8%)
  • Bus or coach49 (2.6%)
  • Goods vehicle over 3.5 tonnes30 (1.6%)
  • Taxi or private hire car16 (0.8%)
  • Other23 (1.2%)

Casualties by age

  • 0 to 513 (1%)
  • 6 to 1020 (1.5%)
  • 11 to 1569 (5.1%)
  • 16 to 20309 (23%)
  • 21 to 25154 (11%)
  • 26 to 35188 (14%)
  • 36 to 45140 (10%)
  • 46 to 55138 (10%)
  • 56 to 65108 (8%)
  • 66 to 75103 (7.6%)
  • Over 75106 (7.8%)
  • Not recorded10 (0.7%)

Drivers, passengers and pedestrians

  • Driver or rider885 (65%)
  • Passenger328 (24%)
  • Pedestrian145 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B2166

Map of the 25 most recent crashes on the B2166

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

  • 25 crashes
  • Serious
  • Slight

B2166 crashes by council area

Collisions on the B2166 were recorded in 2 council areas. Arun has the most, with 885, followed by Chichester (175).

Collisions on the B2166 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stArun8851,1148158
2ndChichester175240431

B2166 crashes by town

Of the 1,064 collisions on the B2166, 610 were in the built-up area of Bognor Regis.

Recent crashes on the B2166

These are the 25 most recent collisions on the B2166, from 27 January 2024 to 20 October 2025.

Severity