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CrashStats

RG9 road accidents: crash map and statistics

Police recorded 3,412 road traffic collisions in the RG9 postcode district, South Oxfordshire, from 1979 to 2025, and 4,677 people were killed or injured in them. Of those collisions, 97 were fatal and 661 were serious.

In 2025 police recorded 22 collisions, up from 17 in 2024.

Collisions since 1979
3,412
1,125th highest of 2,813 postcode districts
Casualties
4,677
1.37 per collision
Fatal collisions
97
108 people killed
Serious collisions
661
793 seriously injured
Collisions in 2025
22
17 in 2024
Casualties in 2025
31
Up 55% on 2024

Road collision statistics for RG9

Collisions by severity, 1979 to 2025

  • Fatal972.8%
  • Serious66119%
  • Slight2,65478%

What the data shows

  • RG9 had 282 collisions from 2016 to 2025, 51% fewer than the 574 from 2006 to 2015.
  • 22% of collisions in RG9 were fatal or serious, against 20% across Great Britain.
  • 338 children under 16 were killed or injured in RG9, 7.4% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in RG9.

Where RG9 ranks among 2,813 postcode districts

Most collisions
1,125th
Most casualties
1,092nd
Most fatal collisions
299th
Most serious collisions
1,043rd

Collisions by day of the week

  • Monday469 (14%)
  • Tuesday466 (14%)
  • Wednesday496 (15%)
  • Thursday489 (14%)
  • Friday575 (17%)
  • Saturday494 (14%)
  • Sunday423 (12%)

Light conditions

  • Daylight2,477 (73%)
  • Dark, no street lighting658 (19%)
  • Dark, street lights lit253 (7.4%)
  • Dark, lighting unknown15 (0.4%)
  • Dark, street lights unlit4 (0.1%)
  • Not recorded5 (0.1%)

Type of road

  • Single carriageway3,145 (92%)
  • Dual carriageway130 (3.8%)
  • One way street or slip road73 (2.1%)
  • Roundabout59 (1.7%)
  • Not recorded5 (0.1%)

Speed limit at the scene

  • 20 mph40 (1.2%)
  • 30 mph1,332 (39%)
  • 40 mph169 (5%)
  • 50 mph186 (5.5%)
  • 60 mph1,611 (47%)
  • 70 mph71 (2.1%)
  • Not recorded3 (0.1%)

Weather at the time

  • Fine, no high winds2,640 (77%)
  • Raining, no high winds443 (13%)
  • Fog or mist39 (1.1%)
  • Fine with high winds37 (1.1%)
  • Raining with high winds37 (1.1%)
  • Snowing, no high winds17 (0.5%)
  • Snowing with high winds7 (0.2%)
  • Other165 (4.8%)
  • Not recorded27 (0.8%)

Who was hurt

  • Car occupant3,202 (68%)
  • Motorcyclist548 (12%)
  • Pedestrian413 (8.8%)
  • Cyclist299 (6.4%)
  • Van occupant99 (2.1%)
  • Goods vehicle occupant (over 3.5 tonnes)36 (0.8%)
  • Bus or coach occupant23 (0.5%)
  • Taxi or private hire car occupant20 (0.4%)
  • Minibus occupant17 (0.4%)
  • Other vehicle occupant17 (0.4%)
  • Other2 (under 0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

RG9 road accidents by year

Collisions and casualties in RG9, 1979 to 2025

Collisions in RG9 peaked at 116 in 1991; 2025 had 22.

  • Collisions
  • Collisions in 2025: 22
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252231
20241720
20232228
20221819
20213746
20202328
20193341
20182734
20173753
20164664
20155363
20144755
20134567
20126279
20115978
20105478
20096487
20086278
20075572
20067397
200576109
200474102
200381115
20027299
200178108
200068100
199998137
199899140
199795129
1996101156
199575109
199495135
1993101140
1992105160
1991116168
1990111152
198996137
1988109156
198787120
1986115160
1985102135
198493116
198398136
1982111148
1981114156
198083101
1979103135

Map of recent crashes in RG9

Map of the 24 most recent crashes in RG9

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in RG9

The 24 most recent collisions in RG9 happened between 11 October 2024 and 8 December 2025.

Severity

Crashes by road in RG9

The A4155 has the most collisions in RG9, 736 of 3,412 (22%), followed by the A4130 (541).

Collisions in RG9 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA41557361,03519131
2ndA41305417903094
3rdA4233655242298
4thB481267371551
5thA321145205230
6thB4805470413

Council areas covering RG9

Collisions in RG9 were recorded in 4 council areas. South Oxfordshire has 2,662 of 3,412 (78%).

Collisions in RG9 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSouth Oxfordshire2,6623,59185512
2ndWokingham416615686
3rdBuckinghamshire308422455
4thWindsor and Maidenhead254728

Towns in RG9

Collisions in RG9 were recorded in 2 towns, led by Henley-on-Thames (1,032) and Sonning Common (121).