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CrashStats

Three Rivers road accidents in 2009: crash map and statistics

Police recorded 229 road traffic collisions in Three Rivers in 2009, and 320 people were killed or injured in them. Of those collisions, 4 were fatal and 27 were serious.

Collisions were down 15% on 2008 (268), and casualties fell from 400.

Across all years from 1979 to 2025, police recorded 13,304 collisions in Three Rivers.

Collisions in 2009
229
Down 15% on 2008
Casualties in 2009
320
Down 20% on 2008
Fatal collisions
4
1.7% of collisions
Serious collisions
27
12% of collisions

Crash severity in Three Rivers in 2009

1.7% of collisions in Three Rivers in 2009 were fatal and 12% serious, against 1.3% and 19% in Three Rivers from 1979 to 2025.

Collisions by worst injury

  • Fatal41.7%
  • Serious2712%
  • Slight19886%

People hurt, by injury

  • Fatal41.3%
  • Serious3411%
  • Slight28288%

Three Rivers road accidents by year

Collisions and casualties in Three Rivers, 1979 to 2025

Collisions peaked at 484 in 1997. 2009 is highlighted, with 229, down 15% on 2008.

  • Collisions
  • Collisions in 2009
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025114168
2024104139
2023135179
2022140187
202199128
202095119
2019132195
2018175251
2017202271
2016185275
2015190281
2014199294
2013168235
2012161216
2011229330
2010218299
2009229320
2008268400
2007288435
2006276384
2005327490
2004307466
2003348497
2002355518
2001388550
2000387553
1999418624
1998439653
1997484670
1996445678
1995443699
1994336524
1993361525
1992311452
1991282407
1990332469
1989347461
1988341487
1987319449
1986359472
1985376509
1984369511
1983315416
1982346475
1981328451
1980284382
1979350469

When and where crashes happen in Three Rivers in 2009

Collisions by day of the week

  • Monday27 (12%)
  • Tuesday33 (14%)
  • Wednesday38 (17%)
  • Thursday29 (13%)
  • Friday39 (17%)
  • Saturday38 (17%)
  • Sunday25 (11%)

Collisions by time of day

  • 00:00 to 02:5910 (4.4%)
  • 03:00 to 05:596 (2.6%)
  • 06:00 to 08:5942 (18%)
  • 09:00 to 11:5934 (15%)
  • 12:00 to 14:5941 (18%)
  • 15:00 to 17:5948 (21%)
  • 18:00 to 20:5929 (13%)
  • 21:00 to 23:5919 (8.3%)

Collisions by month

  • January18 (7.9%)
  • February24 (10%)
  • March14 (6.1%)
  • April17 (7.4%)
  • May13 (5.7%)
  • June24 (10%)
  • July27 (12%)
  • August19 (8.3%)
  • September12 (5.2%)
  • October17 (7.4%)
  • November26 (11%)
  • December18 (7.9%)

Light conditions

  • Daylight170 (74%)
  • Dark, street lights lit46 (20%)
  • Dark, no street lighting12 (5.2%)
  • Dark, street lights unlit1 (0.4%)

Weather at the time

  • Fine, no high winds176 (77%)
  • Raining, no high winds23 (10%)
  • Snowing, no high winds5 (2.2%)
  • Raining with high winds4 (1.7%)
  • Fine with high winds1 (0.4%)
  • Fog or mist1 (0.4%)
  • Snowing with high winds1 (0.4%)
  • Other18 (7.9%)

Road surface

  • Dry147 (64%)
  • Wet or damp70 (31%)
  • Snow6 (2.6%)
  • Frost or ice5 (2.2%)
  • Flood over 3cm deep1 (0.4%)

Speed limit at the scene

  • 20 mph4 (1.7%)
  • 30 mph96 (42%)
  • 40 mph27 (12%)
  • 50 mph11 (4.8%)
  • 60 mph12 (5.2%)
  • 70 mph79 (34%)

Type of road

  • Single carriageway124 (54%)
  • Dual carriageway89 (39%)
  • One way street or slip road8 (3.5%)
  • Roundabout8 (3.5%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Three Rivers in 2009

Casualties by road user

  • Car occupant237 (74%)
  • Motorcyclist28 (8.8%)
  • Pedestrian22 (6.9%)
  • Cyclist18 (5.6%)
  • Van occupant6 (1.9%)
  • Bus or coach occupant3 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (0.9%)
  • Other vehicle occupant2 (0.6%)
  • Taxi or private hire car occupant1 (0.3%)

Casualties by age

  • 0 to 58 (2.5%)
  • 6 to 1012 (3.8%)
  • 11 to 1515 (4.7%)
  • 16 to 2038 (12%)
  • 21 to 2548 (15%)
  • 26 to 3582 (26%)
  • 36 to 4543 (13%)
  • 46 to 5538 (12%)
  • 56 to 6516 (5%)
  • 66 to 759 (2.8%)
  • Over 759 (2.8%)
  • Not recorded2 (0.6%)

Drivers, passengers and pedestrians

  • Driver or rider218 (68%)
  • Passenger80 (25%)
  • Pedestrian22 (6.9%)

Vehicles involved

  • Car350 (77%)
  • Motorcycle28 (6.1%)
  • Goods vehicle over 3.5 tonnes23 (5%)
  • Van or goods vehicle up to 3.5 tonnes20 (4.4%)
  • Pedal cycle18 (3.9%)
  • Other vehicle8 (1.8%)
  • Bus or coach5 (1.1%)
  • Taxi or private hire car4 (0.9%)

Source: Department for Transport, STATS19 road safety data

Crash map for Three Rivers in 2009

Map of the last 24 crashes of 2009 and the 10 busiest accident hotspots in Three Rivers

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Accident hotspots (10)

How Three Rivers ranked among 351 areas in 2009

Of the 351 areas in England, Scotland and Wales, Three Rivers had fewer road collisions than 287 of them in 2009.

Collisions
288th
of 351 areas, highest first
Casualties
285th
of 351 areas, highest first
Fatal collisions
178th
of 351 areas, highest first
Serious collisions
301st
of 351 areas, highest first

Accident hotspots in Three Rivers in 2009

Chorleywood South & Maple Cross, Three Rivers, WD3 5DP area and South Oxhey, Three Rivers, WD19 7SD area were among the busiest accident hotspots in Three Rivers in 2009, with 15 collisions each.

Roads in Three Rivers with the most crashes in 2009

The M25 had the most collisions in Three Rivers in 2009: 67, including 1 fatal and 3 serious.

Roads ranked by collisions in Three Rivers, 2009
RankRoadCollisionsCasualtiesFatalSerious
1stM25679913
2ndA412233524
3rdA404172000
4thB454281202
5thM18901
6thA40571000
7thA412561201
8thA415800
9thA40084601
10thA41452200

Towns in Three Rivers: crashes in 2009

Watford, Watford had the most collisions of any town in Three Rivers in 2009: 36.

Postcode districts in Three Rivers: crashes in 2009

WD3 had the most collisions of any postcode district in Three Rivers in 2009: 124.

Latest crashes in Three Rivers in 2009

Of the last 24 crashes in Three Rivers in 2009, 1 was fatal and 4 were serious. The last was on 28 December 2009.

Severity

Three Rivers road accidents in other years