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CrashStats

RG4 road accidents: crash map and statistics

Police recorded 3,432 road traffic collisions in the RG4 postcode district, Reading, from 1979 to 2025, and 4,479 people were killed or injured in them. Of those collisions, 67 were fatal and 608 were serious.

In 2025 police recorded 29 collisions, level with 2024.

Collisions since 1979
3,432
1,115th highest of 2,813 postcode districts
Casualties
4,479
1.31 per collision
Fatal collisions
67
71 people killed
Serious collisions
608
713 seriously injured
Collisions in 2025
29
Level with 2024
Casualties in 2025
42
Up 31% on 2024

Road collision statistics for RG4

Collisions by severity, 1979 to 2025

  • Fatal672%
  • Serious60818%
  • Slight2,75780%

What the data shows

  • RG4 had 359 collisions from 2016 to 2025, 33% fewer than the 535 from 2006 to 2015.
  • 20% of collisions in RG4 were fatal or serious, against 20% across Great Britain.
  • 490 children under 16 were killed or injured in RG4, 11% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in RG4.

Where RG4 ranks among 2,813 postcode districts

Most collisions
1,115th
Most casualties
1,161st
Most fatal collisions
757th
Most serious collisions
1,183rd

Collisions by day of the week

  • Monday463 (13%)
  • Tuesday470 (14%)
  • Wednesday491 (14%)
  • Thursday535 (16%)
  • Friday583 (17%)
  • Saturday508 (15%)
  • Sunday382 (11%)

Light conditions

  • Daylight2,394 (70%)
  • Dark, street lights lit666 (19%)
  • Dark, no street lighting336 (9.8%)
  • Dark, lighting unknown21 (0.6%)
  • Dark, street lights unlit10 (0.3%)
  • Not recorded5 (0.1%)

Type of road

  • Single carriageway3,168 (92%)
  • Roundabout147 (4.3%)
  • Dual carriageway80 (2.3%)
  • One way street or slip road34 (1%)
  • Not recorded3 (0.1%)

Speed limit at the scene

  • 20 mph30 (0.9%)
  • 30 mph2,346 (68%)
  • 40 mph224 (6.5%)
  • 50 mph212 (6.2%)
  • 60 mph603 (18%)
  • 70 mph17 (0.5%)

Weather at the time

  • Fine, no high winds2,740 (80%)
  • Raining, no high winds425 (12%)
  • Fine with high winds45 (1.3%)
  • Raining with high winds37 (1.1%)
  • Fog or mist24 (0.7%)
  • Snowing, no high winds10 (0.3%)
  • Snowing with high winds1 (under 0.1%)
  • Other126 (3.7%)
  • Not recorded24 (0.7%)

Who was hurt

  • Car occupant2,539 (57%)
  • Motorcyclist658 (15%)
  • Pedestrian597 (13%)
  • Cyclist491 (11%)
  • Van occupant86 (1.9%)
  • Bus or coach occupant46 (1%)
  • Taxi or private hire car occupant29 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)17 (0.4%)
  • Other vehicle occupant9 (0.2%)
  • Minibus occupant6 (0.1%)
  • Other1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

RG4 road accidents by year

Collisions and casualties in RG4, 1979 to 2025

Collisions in RG4 peaked at 124 in 1986; 2025 had 29.

  • Collisions
  • Collisions in 2025: 29
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252942
20242932
20233543
20224450
20212830
20203137
20194047
20183943
20173137
20165375
20154354
20144967
20134045
20124050
20116689
20104864
20094462
20085055
20077797
20067897
20057089
200477102
20037399
200281103
200181106
20008295
199991126
199884106
1997102130
199681111
199591110
199474102
199372101
199293135
199181112
1990104142
198985107
1988105134
198794130
1986124168
1985122159
1984115145
1983117160
1982101134
1981112150
1980112161
1979114146

Map of recent crashes in RG4

Map of the 24 most recent crashes in RG4

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 RG4

The 24 most recent collisions in RG4 happened between 3 February and 15 December 2025.

Severity

Crashes by road in RG4

The A4155 has the most collisions in RG4, 702 of 3,432 (20%), followed by the A4074 (475).

Collisions in RG4 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA415570289811116
2ndA407447568122100
3rdB481399573681
4thB3345219264032
5thB478168216229
6thA4161215431
7thA3297800

Council areas covering RG4

Collisions in RG4 were recorded in 3 council areas. Reading has 2,082 of 3,432 (61%).

Collisions in RG4 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stReading2,0822,57426337
2ndSouth Oxfordshire1,0341,49734213
3rdWokingham314403758

Towns in RG4

Collisions in RG4 were recorded in 4 towns, led by Caversham (1,920) and Sonning (255).