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CrashStats

B1047 accidents: crash map and statistics

Police recorded 282 collisions on the B1047 from 1979 to 2025, with 351 casualties. Of those crashes, 6 were fatal and 52 serious, and 6 people were killed.

In 2025 there were 4 collisions on the B1047, up 300% from 1 in 2024, with 6 casualties.

Collisions since 1979
282
2,793rd highest of 4,923 roads
Casualties
351
1.24 per collision
Fatal collisions
6
6 people killed
Serious collisions
52
60 seriously injured
Collisions in 2025
4
Up 300% on 2024
Casualties in 2025
6
Up 500% on 2024

Crash severity on the B1047

On the B1047, 2.1% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal62.1%
  • Serious5218%
  • Slight22479%

Where the B1047 ranks among 4,923 roads

Most collisions
2,793rd
Most casualties
2,909th
Most fatal collisions
2,299th
Most serious collisions
2,914th

B1047 accidents by year

Collisions on the B1047 peaked at 14 in 1990 and were down to 4 in 2025.

Collisions and casualties on the B1047, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202546
202411
202322
202248
202124
202034
201946
201811
201711
201646
201523
201433
201333
201244
201100
201066
2009913
200844
20071111
2006812
200556
200469
2003910
200288
20011319
20001112
199967
1998910
19971115
199688
199578
1994710
1993913
1992912
19911014
19901420
198999
1988910
198779
198645
19851012
198455
198335
198255
198155
198044
197933

When crashes happen on the B1047

Friday has the most collisions on the B1047 (57), and 3pm to 6pm is the busiest time of day (73).

Collisions by day of the week

  • Monday37 (13%)
  • Tuesday40 (14%)
  • Wednesday41 (15%)
  • Thursday42 (15%)
  • Friday57 (20%)
  • Saturday33 (12%)
  • Sunday32 (11%)

Collisions by time of day

  • Midnight to 3am8 (2.8%)
  • 3am to 6am2 (0.7%)
  • 6am to 9am47 (17%)
  • 9am to noon35 (12%)
  • Noon to 3pm49 (17%)
  • 3pm to 6pm73 (26%)
  • 6pm to 9pm43 (15%)
  • 9pm to midnight25 (8.9%)

Collisions by month

  • January29 (10%)
  • February24 (8.5%)
  • March18 (6.4%)
  • April14 (5%)
  • May24 (8.5%)
  • June17 (6%)
  • July28 (9.9%)
  • August20 (7.1%)
  • September20 (7.1%)
  • October37 (13%)
  • November27 (9.6%)
  • December24 (8.5%)

Light conditions at the time

  • Daylight214 (76%)
  • Dark, street lights lit45 (16%)
  • Dark, no street lighting15 (5.3%)
  • Dark, lighting unknown5 (1.8%)
  • Dark, street lights unlit3 (1.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B1047 crashes

On the B1047, 74% of collisions happened where the speed limit was 30 mph and 66% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.4%)
  • 30 mph208 (74%)
  • 40 mph3 (1.1%)
  • 50 mph2 (0.7%)
  • 60 mph68 (24%)

Weather at the time

  • Fine, no high winds217 (77%)
  • Raining, no high winds32 (11%)
  • Fine with high winds9 (3.2%)
  • Fog or mist4 (1.4%)
  • Other13 (4.6%)
  • Not recorded7 (2.5%)

Road surface

  • Dry187 (66%)
  • Wet or damp91 (32%)
  • Frost or ice4 (1.4%)

Type of road

  • Single carriageway279 (99%)
  • Dual carriageway1 (0.4%)
  • One way street or slip road1 (0.4%)
  • Not recorded1 (0.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B1047 crashes

Car occupants make up 60% of the people killed or injured on the B1047, followed by cyclists (15%).

Casualties by road user

  • Car occupant212 (60%)
  • Cyclist51 (15%)
  • Motorcyclist44 (13%)
  • Pedestrian29 (8.3%)
  • Van occupant10 (2.8%)
  • Taxi or private hire car occupant3 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.6%)

Vehicles involved

  • Car404 (72%)
  • Pedal cycle52 (9.3%)
  • Motorcycle43 (7.7%)
  • Van or goods vehicle up to 3.5 tonnes30 (5.4%)
  • Goods vehicle over 3.5 tonnes15 (2.7%)
  • Bus or coach6 (1.1%)
  • Taxi or private hire car5 (0.9%)
  • Other3 (0.5%)

Casualties by age

  • 0 to 55 (1.4%)
  • 6 to 1017 (4.8%)
  • 11 to 1521 (6%)
  • 16 to 2056 (16%)
  • 21 to 2551 (15%)
  • 26 to 3572 (21%)
  • 36 to 4547 (13%)
  • 46 to 5531 (8.8%)
  • 56 to 6523 (6.6%)
  • 66 to 7515 (4.3%)
  • Over 759 (2.6%)
  • Not recorded4 (1.1%)

Drivers, passengers and pedestrians

  • Driver or rider246 (70%)
  • Passenger76 (22%)
  • Pedestrian29 (8.3%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B1047

Map of the 25 most recent crashes on the B1047

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

  • 25 crashes
  • Serious
  • Slight

B1047 crashes by council area

Collisions on the B1047 were recorded in 2 council areas. South Cambridgeshire has the most, with 169, followed by Cambridge (111).

Collisions on the B1047 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouth Cambridgeshire169219524
2ndCambridge111130126

B1047 crashes by town

Of the 282 collisions on the B1047, 84 were in the built-up area of Cambridge, Cambridge.

Recent crashes on the B1047

These are the 25 most recent collisions on the B1047, from 30 June 2016 to 22 December 2025.

Severity