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CrashStats

B5166 accidents: crash map and statistics

Police recorded 2,121 collisions on the B5166 from 1979 to 2025, with 2,837 casualties. Of those crashes, 23 were fatal and 297 serious, and 23 people were killed.

In 2025 there were 10 collisions on the B5166, down 17% from 12 in 2024, with 13 casualties.

Collisions since 1979
2,121
550th highest of 4,923 roads
Casualties
2,837
1.34 per collision
Fatal collisions
23
23 people killed
Serious collisions
297
333 seriously injured
Collisions in 2025
10
Down 17% on 2024
Casualties in 2025
13
Level with 2024

Crash severity on the B5166

On the B5166, 1.1% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal231.1%
  • Serious29714%
  • Slight1,80185%

Where the B5166 ranks among 4,923 roads

Most collisions
550th
Most casualties
557th
Most fatal collisions
870th
Most serious collisions
715th

B5166 accidents by year

Collisions on the B5166 peaked at 90 in 1989 and were down to 10 in 2025.

Collisions and casualties on the B5166, 1979 to 2025

  • Collisions
  • Collisions in 2025: 10
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251013
20241213
20231214
2022810
20211012
20201112
20191820
20182025
20171418
20161521
20151822
20142026
20132632
20122534
20112936
20102741
20093146
20083758
20075073
20064154
20055786
20044258
20035882
20024660
20015270
20006379
19996799
19984960
199770104
19965675
19956688
199479116
19935775
19926783
19915977
19907895
198990138
19886990
19877592
19866091
198578101
19845977
19836175
19826579
19814764
19805767
19796076

When crashes happen on the B5166

Friday has the most collisions on the B5166 (340), and 3pm to 6pm is the busiest time of day (536).

Collisions by day of the week

  • Monday316 (15%)
  • Tuesday334 (16%)
  • Wednesday283 (13%)
  • Thursday328 (15%)
  • Friday340 (16%)
  • Saturday298 (14%)
  • Sunday222 (10%)

Collisions by time of day

  • Midnight to 3am86 (4.1%)
  • 3am to 6am29 (1.4%)
  • 6am to 9am254 (12%)
  • 9am to noon280 (13%)
  • Noon to 3pm397 (19%)
  • 3pm to 6pm536 (25%)
  • 6pm to 9pm340 (16%)
  • 9pm to midnight199 (9.4%)

Collisions by month

  • January171 (8.1%)
  • February139 (6.6%)
  • March177 (8.3%)
  • April158 (7.4%)
  • May182 (8.6%)
  • June168 (7.9%)
  • July194 (9.1%)
  • August171 (8.1%)
  • September189 (8.9%)
  • October212 (10%)
  • November184 (8.7%)
  • December176 (8.3%)

Light conditions at the time

  • Daylight1,521 (72%)
  • Dark, street lights lit553 (26%)
  • Dark, lighting unknown19 (0.9%)
  • Dark, street lights unlit15 (0.7%)
  • Dark, no street lighting13 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B5166 crashes

On the B5166, 87% of collisions happened where the speed limit was 30 mph and 60% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (0.1%)
  • 30 mph1,850 (87%)
  • 40 mph160 (7.5%)
  • 50 mph3 (0.1%)
  • 60 mph96 (4.5%)
  • 70 mph10 (0.5%)

Weather at the time

  • Fine, no high winds1,628 (77%)
  • Raining, no high winds356 (17%)
  • Raining with high winds36 (1.7%)
  • Fine with high winds28 (1.3%)
  • Other50 (2.4%)
  • Not recorded23 (1.1%)

Road surface

  • Dry1,277 (60%)
  • Wet or damp809 (38%)
  • Frost or ice25 (1.2%)
  • Flood over 3cm deep4 (0.2%)
  • Snow4 (0.2%)
  • Not recorded2 (0.1%)

Type of road

  • Single carriageway1,831 (86%)
  • Dual carriageway151 (7.1%)
  • One way street or slip road100 (4.7%)
  • Roundabout7 (0.3%)
  • Not recorded32 (1.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B5166 crashes

Car occupants make up 56% of the people killed or injured on the B5166, followed by pedestrians (15%).

Casualties by road user

  • Car occupant1,581 (56%)
  • Pedestrian438 (15%)
  • Cyclist354 (12%)
  • Motorcyclist228 (8%)
  • Bus or coach occupant94 (3.3%)
  • Taxi or private hire car occupant54 (1.9%)
  • Van occupant45 (1.6%)
  • Other43 (1.5%)

Vehicles involved

  • Car2,790 (73%)
  • Pedal cycle362 (9.5%)
  • Motorcycle239 (6.3%)
  • Van or goods vehicle up to 3.5 tonnes142 (3.7%)
  • Bus or coach121 (3.2%)
  • Goods vehicle over 3.5 tonnes61 (1.6%)
  • Taxi or private hire car60 (1.6%)
  • Other41 (1.1%)

Casualties by age

  • 0 to 560 (2.1%)
  • 6 to 10111 (3.9%)
  • 11 to 15193 (6.8%)
  • 16 to 20474 (17%)
  • 21 to 25396 (14%)
  • 26 to 35532 (19%)
  • 36 to 45365 (13%)
  • 46 to 55272 (9.6%)
  • 56 to 65215 (7.6%)
  • 66 to 75121 (4.3%)
  • Over 7593 (3.3%)
  • Not recorded5 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider1,663 (59%)
  • Passenger736 (26%)
  • Pedestrian438 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B5166

Map of the 25 most recent crashes on the B5166

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

  • 25 crashes
  • Serious
  • Slight

B5166 crashes by council area

Collisions on the B5166 were recorded in 4 council areas. Manchester has the most, with 921, followed by Trafford (714) and Cheshire East (297).

Collisions on the B5166 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stManchester9211,21510122
2ndTrafford714894387
3rdCheshire East297438856
4thStockport189290232

B5166 crashes by town

Collisions on the B5166 were recorded in 6 towns and built-up areas, led by Wythenshawe (760) and Sale (707).

Recent crashes on the B5166

These are the 25 most recent collisions on the B5166, from 10 September 2023 to 25 November 2025.

Severity