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CrashStats

B4005 accidents: crash map and statistics

Police recorded 411 collisions on the B4005 from 1979 to 2025, with 586 casualties. Of those crashes, 7 were fatal and 79 serious, and 8 people were killed.

In 2025 there were 5 collisions on the B4005, level with 2024, with 6 casualties.

Collisions since 1979
411
2,262nd highest of 4,923 roads
Casualties
586
1.43 per collision
Fatal collisions
7
8 people killed
Serious collisions
79
93 seriously injured
Collisions in 2025
5
Level with 2024
Casualties in 2025
6
Level with 2024

Crash severity on the B4005

On the B4005, 1.7% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal71.7%
  • Serious7919%
  • Slight32579%

Where the B4005 ranks among 4,923 roads

Most collisions
2,262nd
Most casualties
2,182nd
Most fatal collisions
2,103rd
Most serious collisions
2,301st

B4005 accidents by year

Collisions on the B4005 peaked at 23 in 2002 and were down to 5 in 2025.

Collisions and casualties on the B4005, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202556
202456
202369
202233
202144
202022
201959
2018611
2017811
201644
201567
20141214
201323
201235
2011611
201044
2009910
2008914
20071012
20061418
2005911
20041017
20031015
20022326
20011423
20001421
1999710
1998715
19971520
19961525
1995814
19941217
19931831
1992911
1991714
19901622
19891119
198867
19871417
19861115
19851619
19841118
198335
1982711
1981911
198012
197957

When crashes happen on the B4005

Friday has the most collisions on the B4005 (73), and 3pm to 6pm is the busiest time of day (94).

Collisions by day of the week

  • Monday43 (10%)
  • Tuesday59 (14%)
  • Wednesday52 (13%)
  • Thursday72 (18%)
  • Friday73 (18%)
  • Saturday65 (16%)
  • Sunday47 (11%)

Collisions by time of day

  • Midnight to 3am16 (3.9%)
  • 3am to 6am4 (1%)
  • 6am to 9am57 (14%)
  • 9am to noon54 (13%)
  • Noon to 3pm70 (17%)
  • 3pm to 6pm94 (23%)
  • 6pm to 9pm74 (18%)
  • 9pm to midnight42 (10%)

Collisions by month

  • January27 (6.6%)
  • February35 (8.5%)
  • March25 (6.1%)
  • April35 (8.5%)
  • May32 (7.8%)
  • June35 (8.5%)
  • July33 (8%)
  • August25 (6.1%)
  • September42 (10%)
  • October34 (8.3%)
  • November51 (12%)
  • December37 (9%)

Light conditions at the time

  • Daylight293 (71%)
  • Dark, no street lighting87 (21%)
  • Dark, street lights lit28 (6.8%)
  • Dark, street lights unlit3 (0.7%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4005 crashes

On the B4005, 55% of collisions happened where the speed limit was 60 mph and 62% on a dry road surface.

Speed limit at the scene

  • 30 mph131 (32%)
  • 40 mph13 (3.2%)
  • 50 mph35 (8.5%)
  • 60 mph227 (55%)
  • 70 mph5 (1.2%)

Weather at the time

  • Fine, no high winds320 (78%)
  • Raining, no high winds45 (11%)
  • Fine with high winds16 (3.9%)
  • Raining with high winds14 (3.4%)
  • Other14 (3.4%)
  • Not recorded2 (0.5%)

Road surface

  • Dry253 (62%)
  • Wet or damp143 (35%)
  • Frost or ice12 (2.9%)
  • Snow3 (0.7%)

Type of road

  • Single carriageway391 (95%)
  • Roundabout13 (3.2%)
  • One way street or slip road3 (0.7%)
  • Dual carriageway2 (0.5%)
  • Not recorded2 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4005 crashes

Car occupants make up 72% of the people killed or injured on the B4005, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant420 (72%)
  • Motorcyclist70 (12%)
  • Pedestrian33 (5.6%)
  • Cyclist28 (4.8%)
  • Van occupant18 (3.1%)
  • Bus or coach occupant7 (1.2%)
  • Other vehicle occupant4 (0.7%)
  • Other6 (1%)

Vehicles involved

  • Car555 (76%)
  • Motorcycle64 (8.7%)
  • Van or goods vehicle up to 3.5 tonnes43 (5.9%)
  • Pedal cycle28 (3.8%)
  • Goods vehicle over 3.5 tonnes15 (2%)
  • Bus or coach9 (1.2%)
  • Other19 (2.6%)
  • Not recorded2 (0.3%)

Casualties by age

  • 0 to 59 (1.5%)
  • 6 to 1013 (2.2%)
  • 11 to 1528 (4.8%)
  • 16 to 20114 (19%)
  • 21 to 2569 (12%)
  • 26 to 35124 (21%)
  • 36 to 4584 (14%)
  • 46 to 5559 (10%)
  • 56 to 6549 (8.4%)
  • 66 to 7529 (4.9%)
  • Over 758 (1.4%)

Drivers, passengers and pedestrians

  • Driver or rider399 (68%)
  • Passenger154 (26%)
  • Pedestrian33 (5.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4005

Map of the 25 most recent crashes on the B4005

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

  • 25 crashes
  • Serious
  • Slight

B4005 crashes by council area

Collisions on the B4005 were recorded in 2 council areas. Swindon has the most, with 368, followed by Wiltshire (41).

Collisions on the B4005 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSwindon368533772
2ndWiltshire415107

B4005 crashes by town

Collisions on the B4005 were recorded in 2 towns and built-up areas, led by Wroughton (82) and Chiseldon (33).

Recent crashes on the B4005

These are the 25 most recent collisions on the B4005, from 10 October 2020 to 2 December 2025.

Severity