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CrashStats

Slough road accidents in 1999: crash map and statistics

Police recorded 488 road traffic collisions in Slough in 1999, and 651 people were killed or injured in them. Of those collisions, 5 were fatal and 48 were serious.

Collisions were down 6% on 1998 (520), and casualties fell from 652.

Across all years from 1979 to 2025, police recorded 20,313 collisions in Slough.

Collisions in 1999
488
Down 6% on 1998
Casualties in 1999
651
Level with 1998
Fatal collisions
5
1% of collisions
Serious collisions
48
9.8% of collisions

Crash severity in Slough in 1999

1% of collisions in Slough in 1999 were fatal and 9.8% serious, against 1.1% and 13% in Slough from 1979 to 2025.

Collisions by worst injury

  • Fatal51%
  • Serious489.8%
  • Slight43589%

People hurt, by injury

  • Fatal50.8%
  • Serious568.6%
  • Slight59091%

Slough road accidents by year

Collisions and casualties in Slough, 1979 to 2025

Collisions peaked at 567 in 1984. 1999 is highlighted, with 488, down 6% on 1998.

  • Collisions
  • Collisions in 1999
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025229276
2024209235
2023237279
2022235290
2021219260
2020200249
2019275331
2018285366
2017353473
2016416549
2015465627
2014433615
2013398578
2012414580
2011433596
2010452619
2009421572
2008459602
2007457602
2006451627
2005476594
2004441552
2003503668
2002537671
2001529702
2000513654
1999488651
1998520652
1997504673
1996489618
1995489629
1994452564
1993422531
1992411518
1991437544
1990449607
1989501632
1988514655
1987542666
1986525650
1985494609
1984567709
1983558685
1982488611
1981479586
1980445557
1979499666

When and where crashes happen in Slough in 1999

Collisions by day of the week

  • Monday75 (15%)
  • Tuesday55 (11%)
  • Wednesday74 (15%)
  • Thursday78 (16%)
  • Friday86 (18%)
  • Saturday67 (14%)
  • Sunday53 (11%)

Collisions by time of day

  • 00:00 to 02:5914 (2.9%)
  • 03:00 to 05:5910 (2%)
  • 06:00 to 08:5947 (9.6%)
  • 09:00 to 11:5962 (13%)
  • 12:00 to 14:5985 (17%)
  • 15:00 to 17:59122 (25%)
  • 18:00 to 20:59104 (21%)
  • 21:00 to 23:5944 (9%)

Collisions by month

  • January41 (8.4%)
  • February42 (8.6%)
  • March31 (6.4%)
  • April38 (7.8%)
  • May44 (9%)
  • June41 (8.4%)
  • July35 (7.2%)
  • August31 (6.4%)
  • September43 (8.8%)
  • October59 (12%)
  • November45 (9.2%)
  • December38 (7.8%)

Light conditions

  • Daylight349 (72%)
  • Dark, street lights lit134 (27%)
  • Dark, lighting unknown2 (0.4%)
  • Dark, street lights unlit2 (0.4%)
  • Dark, no street lighting1 (0.2%)

Weather at the time

  • Fine, no high winds367 (75%)
  • Raining, no high winds71 (15%)
  • Fine with high winds9 (1.8%)
  • Raining with high winds8 (1.6%)
  • Fog or mist3 (0.6%)
  • Snowing with high winds1 (0.2%)
  • Snowing, no high winds1 (0.2%)
  • Other18 (3.7%)
  • Not recorded10 (2%)

Road surface

  • Dry329 (67%)
  • Wet or damp142 (29%)
  • Frost or ice5 (1%)
  • Flood over 3cm deep1 (0.2%)
  • Snow1 (0.2%)
  • Not recorded10 (2%)

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph311 (64%)
  • 40 mph72 (15%)
  • 50 mph2 (0.4%)
  • 60 mph25 (5.1%)
  • 70 mph77 (16%)

Type of road

  • Single carriageway293 (60%)
  • Dual carriageway144 (30%)
  • Roundabout40 (8.2%)
  • One way street or slip road11 (2.3%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Slough in 1999

Casualties by road user

  • Car occupant412 (63%)
  • Pedestrian79 (12%)
  • Cyclist51 (7.8%)
  • Motorcyclist51 (7.8%)
  • Bus or coach occupant20 (3.1%)
  • Van occupant15 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)11 (1.7%)
  • Taxi or private hire car occupant9 (1.4%)
  • Agricultural vehicle occupant1 (0.2%)
  • Minibus occupant1 (0.2%)
  • Other1 (0.2%)

Casualties by age

  • 0 to 516 (2.5%)
  • 6 to 1033 (5.1%)
  • 11 to 1530 (4.6%)
  • 16 to 2078 (12%)
  • 21 to 2569 (11%)
  • 26 to 35176 (27%)
  • 36 to 4591 (14%)
  • 46 to 5553 (8.1%)
  • 56 to 6534 (5.2%)
  • 66 to 7525 (3.8%)
  • Over 7513 (2%)
  • Not recorded33 (5.1%)

Drivers, passengers and pedestrians

  • Driver or rider414 (64%)
  • Passenger158 (24%)
  • Pedestrian79 (12%)

Vehicles involved

  • Car792 (79%)
  • Motorcycle53 (5.3%)
  • Pedal cycle51 (5.1%)
  • Goods vehicle over 3.5 tonnes41 (4.1%)
  • Van or goods vehicle up to 3.5 tonnes25 (2.5%)
  • Taxi or private hire car14 (1.4%)
  • Bus or coach13 (1.3%)
  • Other vehicle8 (0.8%)
  • Minibus3 (0.3%)
  • Agricultural vehicle1 (0.1%)
  • Not recorded5 (0.5%)

Source: Department for Transport, STATS19 road safety data

Crash map for Slough in 1999

Map of the last 24 crashes of 1999 in Slough

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

  • 24 crashes
  • Serious
  • Slight

How Slough ranked among 351 areas in 1999

Of the 351 areas in England, Scotland and Wales, Slough had the 171st most road collisions in 1999.

Collisions
171st
highest of 351 areas
Casualties
183rd
of 351 areas, highest first
Fatal collisions
234th
of 351 areas, highest first
Serious collisions
268th
of 351 areas, highest first

Roads in Slough with the most crashes in 1999

The A4 had the most collisions in Slough in 1999: 101, including 2 fatal and 10 serious.

Roads ranked by collisions in Slough, 1999
RankRoadCollisionsCasualtiesFatalSerious
1stA4101133210
2ndM46711314
3rdA355557104
4thA412111101
5thB41691302
6thA3326700
7thB30276902
8thB4706600
9thA3222200
10thM252200
11thB3761100

Towns in Slough: crashes in 1999

Slough itself had the most collisions of any town in the area in 1999: 350.

Postcode districts in Slough: crashes in 1999

SL1 had the most collisions of any postcode district in Slough in 1999: 257.

Latest crashes in Slough in 1999

Of the last 24 crashes in Slough in 1999, none were fatal and 3 were serious. The last was on 30 December 1999.

Severity

Slough road accidents in other years