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CrashStats

BL4 road accidents: crash map and statistics

Police recorded 5,591 road traffic collisions in the BL4 postcode district, Bolton, from 1979 to 2025, and 7,486 people were killed or injured in them. Of those collisions, 71 were fatal and 742 were serious.

In 2025 police recorded 45 collisions, down 15% on 2024 (53).

Collisions since 1979
5,591
404th highest of 2,813 postcode districts
Casualties
7,486
1.34 per collision
Fatal collisions
71
79 people killed
Serious collisions
742
819 seriously injured
Collisions in 2025
45
Down 15% on 2024
Casualties in 2025
57
Down 16% on 2024

Road collision statistics for BL4

Collisions by severity, 1979 to 2025

  • Fatal711.3%
  • Serious74213%
  • Slight4,77885%

What the data shows

  • BL4 had 516 collisions from 2016 to 2025, 37% fewer than the 819 from 2006 to 2015.
  • 15% of collisions in BL4 were fatal or serious, against 20% across Great Britain.
  • 1,597 children under 16 were killed or injured in BL4, 21% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 37% of collisions in BL4.

Where BL4 ranks among 2,813 postcode districts

Most collisions
404th
Most casualties
393rd
Most fatal collisions
656th
Most serious collisions
864th

Collisions by day of the week

  • Monday821 (15%)
  • Tuesday848 (15%)
  • Wednesday763 (14%)
  • Thursday851 (15%)
  • Friday981 (18%)
  • Saturday752 (13%)
  • Sunday575 (10%)

Light conditions

  • Daylight4,048 (72%)
  • Dark, street lights lit1,421 (25%)
  • Dark, no street lighting59 (1.1%)
  • Dark, lighting unknown45 (0.8%)
  • Dark, street lights unlit18 (0.3%)

Type of road

  • Single carriageway4,436 (79%)
  • Dual carriageway788 (14%)
  • One way street or slip road162 (2.9%)
  • Roundabout125 (2.2%)
  • Not recorded80 (1.4%)

Speed limit at the scene

  • 10 mph1 (under 0.1%)
  • 15 mph2 (under 0.1%)
  • 20 mph51 (0.9%)
  • 30 mph4,820 (86%)
  • 40 mph3 (0.1%)
  • 50 mph47 (0.8%)
  • 60 mph15 (0.3%)
  • 70 mph652 (12%)

Weather at the time

  • Fine, no high winds4,359 (78%)
  • Raining, no high winds870 (16%)
  • Raining with high winds100 (1.8%)
  • Fine with high winds82 (1.5%)
  • Fog or mist34 (0.6%)
  • Snowing, no high winds27 (0.5%)
  • Snowing with high winds11 (0.2%)
  • Other39 (0.7%)
  • Not recorded69 (1.2%)

Who was hurt

  • Car occupant4,061 (54%)
  • Pedestrian1,644 (22%)
  • Motorcyclist615 (8.2%)
  • Cyclist578 (7.7%)
  • Van occupant222 (3%)
  • Bus or coach occupant175 (2.3%)
  • Taxi or private hire car occupant60 (0.8%)
  • Goods vehicle occupant (over 3.5 tonnes)49 (0.7%)
  • Other vehicle occupant49 (0.7%)
  • Minibus occupant30 (0.4%)
  • Other2 (under 0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

BL4 road accidents by year

Collisions and casualties in BL4, 1979 to 2025

Collisions in BL4 peaked at 190 in 1998; 2025 had 45.

  • Collisions
  • Collisions in 2025: 45
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254557
20245368
20234467
20224864
20214862
20203552
20196182
20185171
201774106
20165782
20154459
20146696
20135380
20126177
20116690
20106794
2009102147
2008113170
2007120177
2006127153
2005138187
2004139198
2003163245
2002145189
2001166218
2000180264
1999186265
1998190244
1997175244
1996165224
1995178228
1994174217
1993161196
1992174223
1991172231
1990171233
1989175219
1988182228
1987122167
1986136168
1985130159
1984156199
1983138171
1982144179
1981119144
1980151196
1979126196

Map of recent crashes in BL4

Map of the 24 most recent crashes in BL4

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in BL4

The 24 most recent collisions in BL4 happened between 16 July and 30 December 2025.

Severity

Crashes by road in BL4

The A666 has the most collisions in BL4, 756 of 5,591 (14%), followed by the A575 (629).

Collisions in BL4 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA6667561,0521990
2ndA575629838487
3rdA6053629831889
4thM615318751039
5thB6199530738784
6thA5082272361344
7thA667485517
8thB6536202402
9thA6766701
10thA5725801
11thB60535700
12thM625500
13thA64601
14thA5733300

Council areas covering BL4

Collisions in BL4 were recorded in 4 council areas. Bolton has 5,393 of 5,591 (96%).

Collisions in BL4 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stBolton5,3937,13767721
2ndSalford190335421
3rdBury3300
4thOldham3900

Towns in BL4

Collisions in BL4 were recorded in 5 towns, led by Farnworth (3,877) and Kearsley (586).