Skip to main content
CrashStats

A203 accidents: crash map and statistics

Police recorded 2,889 collisions on the A203 from 1979 to 2025, with 3,345 casualties. Of those crashes, 18 were fatal and 493 serious, and 19 people were killed.

In 2025 there were 28 collisions on the A203, down 35% from 43 in 2024, with 32 casualties.

Collisions since 1979
2,889
402nd highest of 4,923 roads
Casualties
3,345
1.16 per collision
Fatal collisions
18
19 people killed
Serious collisions
493
530 seriously injured
Collisions in 2025
28
Down 35% on 2024
Casualties in 2025
32
Down 46% on 2024

Crash severity on the A203

On the A203, 0.6% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal180.6%
  • Serious49317%
  • Slight2,37882%

Where the A203 ranks among 4,923 roads

Most collisions
402nd
Most casualties
480th
Most fatal collisions
1,081st
Most serious collisions
433rd

A203 accidents by year

Collisions on the A203 peaked at 94 in 1984 and were down to 28 in 2025.

Collisions and casualties on the A203, 1979 to 2025

  • Collisions
  • Collisions in 2025: 28
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252832
20244359
20234243
20223942
20214857
20204551
20194346
20185256
20174651
20163543
20155561
20145968
20134956
20124650
20114755
20105266
20094150
20084966
20074046
20064554
20055461
20044244
20036272
20025659
20016369
20006779
19997181
199883100
199792105
19968898
19956683
19946983
19938395
199292106
19916469
19907991
19898395
198883101
198791108
198689106
198583102
198494102
19837787
19826368
19816278
19807080
19795971

When crashes happen on the A203

Friday has the most collisions on the A203 (486), and 3pm to 6pm is the busiest time of day (574).

Collisions by day of the week

  • Monday418 (14%)
  • Tuesday406 (14%)
  • Wednesday418 (14%)
  • Thursday449 (16%)
  • Friday486 (17%)
  • Saturday379 (13%)
  • Sunday333 (12%)

Collisions by time of day

  • Midnight to 3am174 (6%)
  • 3am to 6am90 (3.1%)
  • 6am to 9am408 (14%)
  • 9am to noon402 (14%)
  • Noon to 3pm401 (14%)
  • 3pm to 6pm574 (20%)
  • 6pm to 9pm486 (17%)
  • 9pm to midnight354 (12%)

Collisions by month

  • January203 (7%)
  • February207 (7.2%)
  • March224 (7.8%)
  • April222 (7.7%)
  • May260 (9%)
  • June232 (8%)
  • July280 (9.7%)
  • August262 (9.1%)
  • September251 (8.7%)
  • October286 (9.9%)
  • November242 (8.4%)
  • December220 (7.6%)

Light conditions at the time

  • Daylight1,923 (67%)
  • Dark, street lights lit917 (32%)
  • Dark, lighting unknown42 (1.5%)
  • Dark, street lights unlit5 (0.2%)
  • Dark, no street lighting2 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A203 crashes

On the A203, 94% of collisions happened where the speed limit was 30 mph and 79% on a dry road surface.

Speed limit at the scene

  • 20 mph165 (5.7%)
  • 30 mph2,718 (94%)
  • 40 mph3 (0.1%)
  • 50 mph1 (under 0.1%)
  • 60 mph1 (under 0.1%)
  • 70 mph1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,238 (77%)
  • Raining, no high winds337 (12%)
  • Fine with high winds17 (0.6%)
  • Raining with high winds14 (0.5%)
  • Other205 (7.1%)
  • Not recorded78 (2.7%)

Road surface

  • Dry2,292 (79%)
  • Wet or damp564 (20%)
  • Frost or ice11 (0.4%)
  • Snow5 (0.2%)
  • Not recorded17 (0.6%)

Type of road

  • Single carriageway2,233 (77%)
  • One way street or slip road318 (11%)
  • Dual carriageway193 (6.7%)
  • Roundabout29 (1%)
  • Not recorded116 (4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A203 crashes

Car occupants make up 26% of the people killed or injured on the A203, followed by pedestrians (25%).

Casualties by road user

  • Car occupant880 (26%)
  • Pedestrian840 (25%)
  • Motorcyclist770 (23%)
  • Cyclist510 (15%)
  • Bus or coach occupant230 (6.9%)
  • Van occupant47 (1.4%)
  • Other61 (1.8%)
  • Not recorded7 (0.2%)

Vehicles involved

  • Car2,766 (56%)
  • Motorcycle871 (18%)
  • Pedal cycle528 (11%)
  • Bus or coach275 (5.6%)
  • Van or goods vehicle up to 3.5 tonnes272 (5.5%)
  • Taxi or private hire car103 (2.1%)
  • Other93 (1.9%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 552 (1.6%)
  • 6 to 1087 (2.6%)
  • 11 to 15122 (3.6%)
  • 16 to 20281 (8.4%)
  • 21 to 25551 (16%)
  • 26 to 35928 (28%)
  • 36 to 45513 (15%)
  • 46 to 55311 (9.3%)
  • 56 to 65182 (5.4%)
  • 66 to 7573 (2.2%)
  • Over 7549 (1.5%)
  • Not recorded196 (5.9%)

Drivers, passengers and pedestrians

  • Driver or rider1,882 (56%)
  • Pedestrian840 (25%)
  • Passenger623 (19%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A203

Map of the 25 most recent crashes on the A203

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

  • 25 crashes
  • Serious
  • Slight

A203 crashes by council area

Collisions on the A203 were recorded in 2 council areas. Lambeth has the most, with 2,874, followed by Worthing (3).

Collisions on the A203 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stLambeth2,8743,32318489
2ndWorthing3300

A203 crashes by town

Collisions on the A203 were recorded in 2 towns and built-up areas, led by Lambeth (2,622) and Worthing (3).

Recent crashes on the A203

These are the 25 most recent collisions on the A203, from 16 February to 28 December 2025.

Severity