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CrashStats

A270 accidents: crash map and statistics

Police recorded 3,229 collisions on the A270 from 1979 to 2025, with 3,996 casualties. Of those crashes, 27 were fatal and 561 serious, and 27 people were killed.

In 2025 there were 54 collisions on the A270, down 27% from 74 in 2024, with 60 casualties.

Collisions since 1979
3,229
350th highest of 4,923 roads
Casualties
3,996
1.24 per collision
Fatal collisions
27
27 people killed
Serious collisions
561
597 seriously injured
Collisions in 2025
54
Down 27% on 2024
Casualties in 2025
60
Down 29% on 2024

Crash severity on the A270

On the A270, 0.8% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal270.8%
  • Serious56117%
  • Slight2,64182%

Where the A270 ranks among 4,923 roads

Most collisions
350th
Most casualties
385th
Most fatal collisions
739th
Most serious collisions
364th

A270 accidents by year

Collisions on the A270 peaked at 134 in 2000 and were down to 54 in 2025.

Collisions and casualties on the A270, 1979 to 2025

  • Collisions
  • Collisions in 2025: 54
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20255460
20247484
20237384
20227898
20216774
20207183
20197990
20186777
201794112
201693118
20158697
201489111
2013100125
2012103122
201197120
2010103137
2009103130
2008114146
2007107129
200696118
2005122160
200499131
200399118
2002115150
2001131168
2000134178
1999104128
199894111
1997106121
1996123170
199595121
1994107137
1993103128
19924856
199100
199000
198900
198800
198700
198600
198500
198400
198300
198200
198100
198000
197914

When crashes happen on the A270

Friday has the most collisions on the A270 (552), and 3pm to 6pm is the busiest time of day (831).

Collisions by day of the week

  • Monday464 (14%)
  • Tuesday546 (17%)
  • Wednesday523 (16%)
  • Thursday494 (15%)
  • Friday552 (17%)
  • Saturday363 (11%)
  • Sunday287 (8.9%)

Collisions by time of day

  • Midnight to 3am85 (2.6%)
  • 3am to 6am43 (1.3%)
  • 6am to 9am352 (11%)
  • 9am to noon520 (16%)
  • Noon to 3pm604 (19%)
  • 3pm to 6pm831 (26%)
  • 6pm to 9pm517 (16%)
  • 9pm to midnight277 (8.6%)

Collisions by month

  • January279 (8.6%)
  • February252 (7.8%)
  • March279 (8.6%)
  • April242 (7.5%)
  • May239 (7.4%)
  • June249 (7.7%)
  • July235 (7.3%)
  • August220 (6.8%)
  • September273 (8.5%)
  • October322 (10%)
  • November350 (11%)
  • December289 (9%)

Light conditions at the time

  • Daylight2,306 (71%)
  • Dark, street lights lit839 (26%)
  • Dark, lighting unknown66 (2%)
  • Dark, street lights unlit13 (0.4%)
  • Dark, no street lighting5 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A270 crashes

On the A270, 66% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph324 (10%)
  • 30 mph2,137 (66%)
  • 40 mph736 (23%)
  • 50 mph4 (0.1%)
  • 60 mph11 (0.3%)
  • 70 mph17 (0.5%)

Weather at the time

  • Fine, no high winds2,638 (82%)
  • Raining, no high winds345 (11%)
  • Raining with high winds71 (2.2%)
  • Fine with high winds45 (1.4%)
  • Other66 (2%)
  • Not recorded64 (2%)

Road surface

  • Dry2,375 (74%)
  • Wet or damp807 (25%)
  • Frost or ice32 (1%)
  • Flood over 3cm deep7 (0.2%)
  • Snow4 (0.1%)
  • Not recorded4 (0.1%)

Type of road

  • Single carriageway1,689 (52%)
  • Dual carriageway1,345 (42%)
  • One way street or slip road105 (3.3%)
  • Roundabout71 (2.2%)
  • Not recorded19 (0.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A270 crashes

Car occupants make up 46% of the people killed or injured on the A270, followed by cyclists (18%).

Casualties by road user

  • Car occupant1,823 (46%)
  • Cyclist719 (18%)
  • Pedestrian578 (14%)
  • Motorcyclist496 (12%)
  • Bus or coach occupant192 (4.8%)
  • Van occupant79 (2%)
  • Other96 (2.4%)
  • Not recorded13 (0.3%)

Vehicles involved

  • Car3,945 (65%)
  • Pedal cycle741 (12%)
  • Motorcycle533 (8.8%)
  • Van or goods vehicle up to 3.5 tonnes344 (5.7%)
  • Bus or coach249 (4.1%)
  • Taxi or private hire car127 (2.1%)
  • Goods vehicle over 3.5 tonnes83 (1.4%)
  • Other61 (1%)

Casualties by age

  • 0 to 556 (1.4%)
  • 6 to 1082 (2.1%)
  • 11 to 15183 (4.6%)
  • 16 to 20546 (14%)
  • 21 to 25604 (15%)
  • 26 to 35838 (21%)
  • 36 to 45607 (15%)
  • 46 to 55446 (11%)
  • 56 to 65281 (7%)
  • 66 to 75162 (4.1%)
  • Over 75112 (2.8%)
  • Not recorded79 (2%)

Drivers, passengers and pedestrians

  • Driver or rider2,558 (64%)
  • Passenger860 (22%)
  • Pedestrian578 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A270

Map of the 25 most recent crashes on the A270

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

  • 25 crashes
  • Serious
  • Slight

A270 crashes by council area

Collisions on the A270 were recorded in 3 council areas. Brighton and Hove has the most, with 2,944, followed by Adur (271) and Worthing (6).

Collisions on the A270 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBrighton and Hove2,9443,64224515
2ndAdur271334244
3rdWorthing6702

A270 crashes by town

Collisions on the A270 were recorded in 4 towns and built-up areas, led by Brighton and Hove (2,806) and Southwick, Adur (151).

Recent crashes on the A270

These are the 25 most recent collisions on the A270, from 17 August to 17 December 2025.

Severity