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CrashStats

A2023 accidents: crash map and statistics

Police recorded 712 collisions on the A2023 from 1979 to 2025, with 851 casualties. Of those crashes, 4 were fatal and 106 serious, and 5 people were killed.

In 2025 there were 13 collisions on the A2023, up 86% from 7 in 2024, with 15 casualties.

Collisions since 1979
712
1,481st highest of 4,923 roads
Casualties
851
1.20 per collision
Fatal collisions
4
5 people killed
Serious collisions
106
109 seriously injured
Collisions in 2025
13
Up 86% on 2024
Casualties in 2025
15
Up 114% on 2024

Crash severity on the A2023

On the A2023, 0.6% of collisions were fatal and 15% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal40.6%
  • Serious10615%
  • Slight60285%

Where the A2023 ranks among 4,923 roads

Most collisions
1,481st
Most casualties
1,642nd
Most fatal collisions
2,815th
Most serious collisions
1,818th

A2023 accidents by year

Collisions on the A2023 peaked at 27 in 2007 and were down to 13 in 2025.

Collisions and casualties on the A2023, 1979 to 2025

  • Collisions
  • Collisions in 2025: 13
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251315
202477
202322
202289
2021910
20201418
2019911
201899
2017810
201699
20151115
20141114
2013611
20121519
20111423
2010912
20091010
20081117
20072728
20061622
20051010
20041212
20031921
20022628
20012129
20001618
19991213
19981621
19972128
19961414
19951417
19942528
19931011
19921217
19911113
19902021
19892020
19882528
19872427
19861920
19852431
19842224
19831519
19822126
19812228
19801921
19792435

When crashes happen on the A2023

Wednesday has the most collisions on the A2023 (134), and 3pm to 6pm is the busiest time of day (173).

Collisions by day of the week

  • Monday104 (15%)
  • Tuesday105 (15%)
  • Wednesday134 (19%)
  • Thursday127 (18%)
  • Friday116 (16%)
  • Saturday74 (10%)
  • Sunday52 (7.3%)

Collisions by time of day

  • Midnight to 3am18 (2.5%)
  • 3am to 6am2 (0.3%)
  • 6am to 9am86 (12%)
  • 9am to noon131 (18%)
  • Noon to 3pm127 (18%)
  • 3pm to 6pm173 (24%)
  • 6pm to 9pm108 (15%)
  • 9pm to midnight67 (9.4%)

Collisions by month

  • January54 (7.6%)
  • February49 (6.9%)
  • March52 (7.3%)
  • April44 (6.2%)
  • May60 (8.4%)
  • June52 (7.3%)
  • July58 (8.1%)
  • August49 (6.9%)
  • September72 (10%)
  • October71 (10%)
  • November67 (9.4%)
  • December84 (12%)

Light conditions at the time

  • Daylight513 (72%)
  • Dark, street lights lit185 (26%)
  • Dark, lighting unknown10 (1.4%)
  • Dark, street lights unlit3 (0.4%)
  • Dark, no street lighting1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A2023 crashes

On the A2023, 92% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph44 (6.2%)
  • 30 mph658 (92%)
  • 40 mph8 (1.1%)
  • 60 mph2 (0.3%)

Weather at the time

  • Fine, no high winds573 (80%)
  • Raining, no high winds89 (13%)
  • Fine with high winds14 (2%)
  • Raining with high winds11 (1.5%)
  • Other11 (1.5%)
  • Not recorded14 (2%)

Road surface

  • Dry525 (74%)
  • Wet or damp180 (25%)
  • Frost or ice6 (0.8%)
  • Snow1 (0.1%)

Type of road

  • Single carriageway617 (87%)
  • Roundabout47 (6.6%)
  • Dual carriageway42 (5.9%)
  • One way street or slip road3 (0.4%)
  • Not recorded3 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A2023 crashes

Car occupants make up 42% of the people killed or injured on the A2023, followed by pedestrians (20%).

Casualties by road user

  • Car occupant354 (42%)
  • Pedestrian173 (20%)
  • Cyclist114 (13%)
  • Motorcyclist108 (13%)
  • Bus or coach occupant73 (8.6%)
  • Van occupant14 (1.6%)
  • Taxi or private hire car occupant10 (1.2%)
  • Other5 (0.6%)

Vehicles involved

  • Car858 (69%)
  • Pedal cycle118 (9.5%)
  • Motorcycle113 (9.1%)
  • Bus or coach65 (5.2%)
  • Van or goods vehicle up to 3.5 tonnes57 (4.6%)
  • Goods vehicle over 3.5 tonnes14 (1.1%)
  • Taxi or private hire car12 (1%)
  • Other11 (0.9%)

Casualties by age

  • 0 to 519 (2.2%)
  • 6 to 1015 (1.8%)
  • 11 to 1571 (8.3%)
  • 16 to 20131 (15%)
  • 21 to 2595 (11%)
  • 26 to 35128 (15%)
  • 36 to 45118 (14%)
  • 46 to 5581 (9.5%)
  • 56 to 6559 (6.9%)
  • 66 to 7555 (6.5%)
  • Over 7562 (7.3%)
  • Not recorded17 (2%)

Drivers, passengers and pedestrians

  • Driver or rider466 (55%)
  • Passenger212 (25%)
  • Pedestrian173 (20%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A2023

Map of the 25 most recent crashes on the A2023

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

  • 25 crashes
  • Serious
  • Slight

A2023 crashes by council area

Collisions on the A2023 were recorded in 2 council areas. Brighton and Hove has the most, with 698, followed by Havant (10).

Collisions on the A2023 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBrighton and Hove6988354104
2ndHavant101202

A2023 crashes by town

Collisions on the A2023 were recorded in 3 towns and built-up areas, led by Brighton and Hove (674) and South Hayling (4).

Recent crashes on the A2023

These are the 25 most recent collisions on the A2023, from 26 October 2022 to 28 November 2025.

Severity