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CrashStats

Three Rivers road accidents in 2011: crash map and statistics

Police recorded 229 road traffic collisions in Three Rivers in 2011, and 330 people were killed or injured in them. Of those collisions, 6 were fatal and 20 were serious.

Collisions were up 5% on 2010 (218), and casualties rose from 299.

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

Collisions in 2011
229
Up 5% on 2010
Casualties in 2011
330
Up 10% on 2010
Fatal collisions
6
2.6% of collisions
Serious collisions
20
8.7% of collisions

Crash severity in Three Rivers in 2011

2.6% of collisions in Three Rivers in 2011 were fatal and 8.7% serious, against 1.3% and 19% in Three Rivers from 1979 to 2025.

Collisions by worst injury

  • Fatal62.6%
  • Serious208.7%
  • Slight20389%

People hurt, by injury

  • Fatal61.8%
  • Serious226.7%
  • Slight30292%

Three Rivers road accidents by year

Collisions and casualties in Three Rivers, 1979 to 2025

Collisions peaked at 484 in 1997. 2011 is highlighted, with 229, up 5% on 2010.

  • Collisions
  • Collisions in 2011
  • 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 2011

Collisions by day of the week

  • Monday33 (14%)
  • Tuesday32 (14%)
  • Wednesday29 (13%)
  • Thursday47 (21%)
  • Friday38 (17%)
  • Saturday27 (12%)
  • Sunday23 (10%)

Collisions by time of day

  • 00:00 to 02:593 (1.3%)
  • 03:00 to 05:599 (3.9%)
  • 06:00 to 08:5933 (14%)
  • 09:00 to 11:5936 (16%)
  • 12:00 to 14:5943 (19%)
  • 15:00 to 17:5954 (24%)
  • 18:00 to 20:5934 (15%)
  • 21:00 to 23:5917 (7.4%)

Collisions by month

  • January17 (7.4%)
  • February19 (8.3%)
  • March21 (9.2%)
  • April17 (7.4%)
  • May22 (9.6%)
  • June17 (7.4%)
  • July16 (7%)
  • August24 (10%)
  • September18 (7.9%)
  • October22 (9.6%)
  • November16 (7%)
  • December20 (8.7%)

Light conditions

  • Daylight162 (71%)
  • Dark, street lights lit61 (27%)
  • Dark, no street lighting6 (2.6%)

Weather at the time

  • Fine, no high winds191 (83%)
  • Raining, no high winds26 (11%)
  • Raining with high winds2 (0.9%)
  • Fine with high winds1 (0.4%)
  • Fog or mist1 (0.4%)
  • Other7 (3.1%)
  • Not recorded1 (0.4%)

Road surface

  • Dry169 (74%)
  • Wet or damp56 (24%)
  • Frost or ice4 (1.7%)

Speed limit at the scene

  • 30 mph101 (44%)
  • 40 mph26 (11%)
  • 50 mph17 (7.4%)
  • 60 mph22 (9.6%)
  • 70 mph63 (28%)

Type of road

  • Single carriageway128 (56%)
  • Dual carriageway73 (32%)
  • Roundabout17 (7.4%)
  • One way street or slip road11 (4.8%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Three Rivers in 2011

Casualties by road user

  • Car occupant237 (72%)
  • Motorcyclist42 (13%)
  • Pedestrian18 (5.5%)
  • Cyclist15 (4.5%)
  • Van occupant8 (2.4%)
  • Taxi or private hire car occupant6 (1.8%)
  • Bus or coach occupant2 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.6%)

Casualties by age

  • 0 to 57 (2.1%)
  • 6 to 107 (2.1%)
  • 11 to 1512 (3.6%)
  • 16 to 2049 (15%)
  • 21 to 2531 (9.4%)
  • 26 to 3581 (25%)
  • 36 to 4542 (13%)
  • 46 to 5546 (14%)
  • 56 to 6527 (8.2%)
  • 66 to 7510 (3%)
  • Over 7518 (5.5%)

Drivers, passengers and pedestrians

  • Driver or rider237 (72%)
  • Passenger75 (23%)
  • Pedestrian18 (5.5%)

Vehicles involved

  • Car322 (75%)
  • Motorcycle42 (9.7%)
  • Goods vehicle over 3.5 tonnes22 (5.1%)
  • Van or goods vehicle up to 3.5 tonnes20 (4.6%)
  • Pedal cycle16 (3.7%)
  • Taxi or private hire car5 (1.2%)
  • Bus or coach4 (0.9%)

Source: Department for Transport, STATS19 road safety data

Crash map for Three Rivers in 2011

Map of the last 24 crashes of 2011 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
  • Serious
  • Slight

Accident hotspots (10)

How Three Rivers ranked among 351 areas in 2011

Of the 351 areas in England, Scotland and Wales, Three Rivers had fewer road collisions than 269 of them in 2011.

Collisions
270th
of 351 areas, highest first
Casualties
264th
of 351 areas, highest first
Fatal collisions
93rd
highest of 351 areas
Serious collisions
319th
of 351 areas, highest first

Accident hotspots in Three Rivers in 2011

Kings Langley, Dacorum, WD4 8QJ area was the busiest accident hotspot in Three Rivers in 2011, with 14 collisions, 1 of them serious.

Roads in Three Rivers with the most crashes in 2011

The M25 had the most collisions in Three Rivers in 2011: 51, including 4 serious.

Roads ranked by collisions in Three Rivers, 2011
RankRoadCollisionsCasualtiesFatalSerious
1stM25517604
2ndA412283323
3rdA404172703
4thA405122300
5thB4542101400
6thA4181310
7thM16811
8thA412551001
9thA40084600
10thA41453800
11thA4111200

Towns in Three Rivers: crashes in 2011

Rickmansworth and Watford, Watford had the most collisions of any town in Three Rivers in 2011, with 28 each.

Postcode districts in Three Rivers: crashes in 2011

WD3 had the most collisions of any postcode district in Three Rivers in 2011: 119.

Latest crashes in Three Rivers in 2011

Of the last 24 crashes in Three Rivers in 2011, none were fatal and 3 were serious. The last was on 29 December 2011.

Severity

Three Rivers road accidents in other years