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CrashStats

B2123 accidents: crash map and statistics

Police recorded 758 collisions on the B2123 from 1979 to 2025, with 1,084 casualties. Of those crashes, 12 were fatal and 128 serious, and 13 people were killed.

In 2025 there were 4 collisions on the B2123, down 50% from 8 in 2024, with 6 casualties.

Collisions since 1979
758
1,406th highest of 4,923 roads
Casualties
1,084
1.43 per collision
Fatal collisions
12
13 people killed
Serious collisions
128
154 seriously injured
Collisions in 2025
4
Down 50% on 2024
Casualties in 2025
6
Down 33% on 2024

Crash severity on the B2123

On the B2123, 1.6% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal121.6%
  • Serious12817%
  • Slight61882%

Where the B2123 ranks among 4,923 roads

Most collisions
1,406th
Most casualties
1,340th
Most fatal collisions
1,505th
Most serious collisions
1,574th

B2123 accidents by year

Collisions on the B2123 peaked at 35 in 1996 and were down to 4 in 2025.

Collisions and casualties on the B2123, 1979 to 2025

  • Collisions
  • Collisions in 2025: 4
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202546
202489
202368
202277
20211014
2020611
20191212
20181220
201769
2016910
20151519
20142236
2013913
20121424
20112127
20101722
20091622
20081823
20071324
20061824
20052034
20041827
20032742
20022028
20011627
20002742
19993035
19982638
19972235
19963565
19951829
19942132
19931622
19921622
1991910
19902023
1989912
19881114
19871215
19862024
19851827
19842636
19831114
19821821
19811924
19801622
19791424

When crashes happen on the B2123

Friday has the most collisions on the B2123 (120), and 3pm to 6pm is the busiest time of day (171).

Collisions by day of the week

  • Monday100 (13%)
  • Tuesday111 (15%)
  • Wednesday114 (15%)
  • Thursday113 (15%)
  • Friday120 (16%)
  • Saturday95 (13%)
  • Sunday105 (14%)

Collisions by time of day

  • Midnight to 3am22 (2.9%)
  • 3am to 6am12 (1.6%)
  • 6am to 9am101 (13%)
  • 9am to noon108 (14%)
  • Noon to 3pm138 (18%)
  • 3pm to 6pm171 (23%)
  • 6pm to 9pm121 (16%)
  • 9pm to midnight85 (11%)

Collisions by month

  • January71 (9.4%)
  • February72 (9.5%)
  • March67 (8.8%)
  • April61 (8%)
  • May53 (7%)
  • June63 (8.3%)
  • July56 (7.4%)
  • August51 (6.7%)
  • September72 (9.5%)
  • October78 (10%)
  • November49 (6.5%)
  • December65 (8.6%)

Light conditions at the time

  • Daylight524 (69%)
  • Dark, street lights lit154 (20%)
  • Dark, no street lighting74 (9.8%)
  • Dark, lighting unknown5 (0.7%)
  • Dark, street lights unlit1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B2123 crashes

On the B2123, 56% of collisions happened where the speed limit was 30 mph and 66% on a dry road surface.

Speed limit at the scene

  • 20 mph25 (3.3%)
  • 30 mph421 (56%)
  • 40 mph96 (13%)
  • 50 mph3 (0.4%)
  • 60 mph209 (28%)
  • 70 mph4 (0.5%)

Weather at the time

  • Fine, no high winds588 (78%)
  • Raining, no high winds76 (10%)
  • Raining with high winds27 (3.6%)
  • Fog or mist22 (2.9%)
  • Other35 (4.6%)
  • Not recorded10 (1.3%)

Road surface

  • Dry499 (66%)
  • Wet or damp227 (30%)
  • Frost or ice24 (3.2%)
  • Snow6 (0.8%)
  • Flood over 3cm deep2 (0.3%)

Type of road

  • Single carriageway711 (94%)
  • One way street or slip road25 (3.3%)
  • Dual carriageway12 (1.6%)
  • Roundabout7 (0.9%)
  • Not recorded3 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B2123 crashes

Car occupants make up 70% of the people killed or injured on the B2123, followed by motorcyclists (10%).

Casualties by road user

  • Car occupant760 (70%)
  • Motorcyclist110 (10%)
  • Pedestrian105 (9.7%)
  • Van occupant34 (3.1%)
  • Cyclist28 (2.6%)
  • Bus or coach occupant24 (2.2%)
  • Other20 (1.8%)
  • Not recorded3 (0.3%)

Vehicles involved

  • Car1,143 (78%)
  • Motorcycle105 (7.2%)
  • Van or goods vehicle up to 3.5 tonnes95 (6.5%)
  • Bus or coach42 (2.9%)
  • Pedal cycle28 (1.9%)
  • Taxi or private hire car19 (1.3%)
  • Goods vehicle over 3.5 tonnes18 (1.2%)
  • Other12 (0.8%)

Casualties by age

  • 0 to 520 (1.8%)
  • 6 to 1021 (1.9%)
  • 11 to 1568 (6.3%)
  • 16 to 20171 (16%)
  • 21 to 25131 (12%)
  • 26 to 35207 (19%)
  • 36 to 45160 (15%)
  • 46 to 55120 (11%)
  • 56 to 6584 (7.7%)
  • 66 to 7546 (4.2%)
  • Over 7542 (3.9%)
  • Not recorded14 (1.3%)

Drivers, passengers and pedestrians

  • Driver or rider673 (62%)
  • Passenger306 (28%)
  • Pedestrian105 (9.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B2123

Map of the 25 most recent crashes on the B2123

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

  • 25 crashes
  • Serious
  • Slight

B2123 crashes by council area

Collisions on the B2123 were recorded in 2 council areas. Brighton and Hove has the most, with 637, followed by Lewes (120).

Collisions on the B2123 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBrighton and Hove6378969102
2ndLewes120187326

B2123 crashes by town

Of the 758 collisions on the B2123, 422 were in the built-up area of Brighton and Hove.

Recent crashes on the B2123

These are the 25 most recent collisions on the B2123, from 9 March 2022 to 31 December 2025.

Severity