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CrashStats

RH4 road accidents: crash map and statistics

Police recorded 2,496 road traffic collisions in the RH4 postcode district, Mole Valley, from 1979 to 2025, and 3,138 people were killed or injured in them. Of those collisions, 37 were fatal and 418 were serious.

In 2025 police recorded 30 collisions, up 3% on 2024 (29).

Collisions since 1979
2,496
1,514th of 2,813 postcode districts, highest first
Casualties
3,138
1.26 per collision
Fatal collisions
37
44 people killed
Serious collisions
418
470 seriously injured
Collisions in 2025
30
Up 3% on 2024
Casualties in 2025
34
Level with 2024

Road collision statistics for RH4

Collisions by severity, 1979 to 2025

  • Fatal371.5%
  • Serious41817%
  • Slight2,04182%

What the data shows

  • RH4 had 334 collisions from 2016 to 2025, 23% fewer than the 432 from 2006 to 2015.
  • 18% of collisions in RH4 were fatal or serious, against 20% across Great Britain.
  • 344 children under 16 were killed or injured in RH4, 11% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in RH4.

Where RH4 ranks among 2,813 postcode districts

Most collisions
1,514th
Most casualties
1,612th
Most fatal collisions
1,608th
Most serious collisions
1,710th

Collisions by day of the week

  • Monday348 (14%)
  • Tuesday344 (14%)
  • Wednesday354 (14%)
  • Thursday371 (15%)
  • Friday449 (18%)
  • Saturday315 (13%)
  • Sunday315 (13%)

Light conditions

  • Daylight1,851 (74%)
  • Dark, street lights lit409 (16%)
  • Dark, no street lighting152 (6.1%)
  • Dark, lighting unknown72 (2.9%)
  • Dark, street lights unlit11 (0.4%)
  • Not recorded1 (under 0.1%)

Type of road

  • Single carriageway1,782 (71%)
  • Dual carriageway305 (12%)
  • One way street or slip road191 (7.7%)
  • Roundabout169 (6.8%)
  • Not recorded49 (2%)

Speed limit at the scene

  • 10 mph2 (0.1%)
  • 20 mph10 (0.4%)
  • 30 mph1,523 (61%)
  • 40 mph535 (21%)
  • 50 mph137 (5.5%)
  • 60 mph249 (10%)
  • 70 mph39 (1.6%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds1,875 (75%)
  • Raining, no high winds310 (12%)
  • Fine with high winds33 (1.3%)
  • Raining with high winds25 (1%)
  • Fog or mist14 (0.6%)
  • Snowing, no high winds10 (0.4%)
  • Snowing with high winds2 (0.1%)
  • Other92 (3.7%)
  • Not recorded135 (5.4%)

Who was hurt

  • Car occupant1,632 (52%)
  • Pedestrian553 (18%)
  • Motorcyclist476 (15%)
  • Cyclist362 (12%)
  • Van occupant41 (1.3%)
  • Goods vehicle occupant (over 3.5 tonnes)25 (0.8%)
  • Bus or coach occupant22 (0.7%)
  • Other vehicle occupant16 (0.5%)
  • Minibus occupant5 (0.2%)
  • Taxi or private hire car occupant3 (0.1%)
  • Other3 (0.1%)

Source: Department for Transport, STATS19 road safety data

RH4 road accidents by year

Collisions and casualties in RH4, 1979 to 2025

Collisions in RH4 peaked at 89 in 1990; 2025 had 30.

  • Collisions
  • Collisions in 2025: 30
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253034
20242934
20233034
20224045
20213037
20203642
20193443
20183243
20173237
20164146
20153542
20144156
20135666
20125665
20113744
20104257
20093743
20084858
20073852
20064257
20055667
20044352
20034358
20025079
20014249
20005471
19994764
19985565
19975880
19966077
199582107
19946275
19935781
19926784
19916578
199089112
198989115
19887389
19876296
19865972
19857289
198485106
19836875
198288110
198180100
19805263
19797289

Map of recent crashes in RH4

Map of the 24 most recent crashes in RH4

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in RH4

The 24 most recent collisions in RH4 happened between 27 March and 23 December 2025.

Severity

Crashes by road in RH4

The A25 has the most collisions in RH4, 1,075 of 2,496 (43%), followed by the A24 (516).

Collisions in RH4 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA251,0751,37018169
2ndA2451668713101
3rdA2003376460463
4thB2038263203

Council areas covering RH4

Collisions in RH4 were recorded in 2 council areas. Mole Valley has 2,490 of 2,496 (99.8%).

Collisions in RH4 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stMole Valley2,4903,13037416
2ndTandridge3301

Towns in RH4

Collisions in RH4 were recorded in 2 towns, led by Dorking (1,798) and Westcott, Mole Valley (166).