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CrashStats

B474 accidents: crash map and statistics

Police recorded 650 collisions on the B474 from 1979 to 2025, with 863 casualties. Of those crashes, 7 were fatal and 124 serious, and 7 people were killed.

In 2025 there were 7 collisions on the B474, up 133% from 3 in 2024, with 7 casualties.

Collisions since 1979
650
1,593rd highest of 4,923 roads
Casualties
863
1.33 per collision
Fatal collisions
7
7 people killed
Serious collisions
124
149 seriously injured
Collisions in 2025
7
Up 133% on 2024
Casualties in 2025
7
Up 75% on 2024

Crash severity on the B474

On the B474, 1.1% of collisions were fatal and 19% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal71.1%
  • Serious12419%
  • Slight51980%

Where the B474 ranks among 4,923 roads

Most collisions
1,593rd
Most casualties
1,617th
Most fatal collisions
2,103rd
Most serious collisions
1,614th

B474 accidents by year

Collisions on the B474 peaked at 35 in 1984 and were down to 7 in 2025.

Collisions and casualties on the B474, 1979 to 2025

  • Collisions
  • Collisions in 2025: 7
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202577
202434
2023710
202244
202169
202055
201955
201888
201745
201655
201536
20141015
2013913
20121010
20111219
20101111
2009611
2008911
200757
20061325
2005912
20041119
20031421
20021518
20012430
20001318
19991821
19982023
19971725
19962429
19951523
19942126
19931418
19922429
19911314
19901015
19892941
19882233
19871116
19862630
19852529
19843549
19831825
19822334
19811623
19801621
19792531

When crashes happen on the B474

Friday has the most collisions on the B474 (115), and 3pm to 6pm is the busiest time of day (144).

Collisions by day of the week

  • Monday108 (17%)
  • Tuesday85 (13%)
  • Wednesday92 (14%)
  • Thursday105 (16%)
  • Friday115 (18%)
  • Saturday80 (12%)
  • Sunday65 (10%)

Collisions by time of day

  • Midnight to 3am32 (4.9%)
  • 3am to 6am12 (1.8%)
  • 6am to 9am84 (13%)
  • 9am to noon111 (17%)
  • Noon to 3pm109 (17%)
  • 3pm to 6pm144 (22%)
  • 6pm to 9pm81 (12%)
  • 9pm to midnight77 (12%)

Collisions by month

  • January41 (6.3%)
  • February45 (6.9%)
  • March51 (7.8%)
  • April41 (6.3%)
  • May78 (12%)
  • June45 (6.9%)
  • July62 (9.5%)
  • August46 (7.1%)
  • September59 (9.1%)
  • October64 (9.8%)
  • November61 (9.4%)
  • December57 (8.8%)

Light conditions at the time

  • Daylight445 (68%)
  • Dark, street lights lit111 (17%)
  • Dark, no street lighting67 (10%)
  • Dark, lighting unknown23 (3.5%)
  • Dark, street lights unlit4 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B474 crashes

On the B474, 65% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 30 mph425 (65%)
  • 40 mph200 (31%)
  • 50 mph3 (0.5%)
  • 60 mph22 (3.4%)

Weather at the time

  • Fine, no high winds508 (78%)
  • Raining, no high winds82 (13%)
  • Fine with high winds12 (1.8%)
  • Fog or mist6 (0.9%)
  • Other33 (5.1%)
  • Not recorded9 (1.4%)

Road surface

  • Dry415 (64%)
  • Wet or damp220 (34%)
  • Frost or ice9 (1.4%)
  • Snow2 (0.3%)
  • Flood over 3cm deep1 (0.2%)
  • Not recorded3 (0.5%)

Type of road

  • Single carriageway596 (92%)
  • Roundabout45 (6.9%)
  • Dual carriageway5 (0.8%)
  • Not recorded4 (0.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B474 crashes

Car occupants make up 62% of the people killed or injured on the B474, followed by pedestrians (15%).

Casualties by road user

  • Car occupant538 (62%)
  • Pedestrian127 (15%)
  • Motorcyclist96 (11%)
  • Cyclist77 (8.9%)
  • Van occupant9 (1%)
  • Bus or coach occupant7 (0.8%)
  • Taxi or private hire car occupant5 (0.6%)
  • Other4 (0.5%)

Vehicles involved

  • Car920 (77%)
  • Motorcycle99 (8.3%)
  • Pedal cycle77 (6.5%)
  • Van or goods vehicle up to 3.5 tonnes45 (3.8%)
  • Goods vehicle over 3.5 tonnes30 (2.5%)
  • Bus or coach9 (0.8%)
  • Other9 (0.8%)
  • Not recorded3 (0.3%)

Casualties by age

  • 0 to 514 (1.6%)
  • 6 to 1024 (2.8%)
  • 11 to 1559 (6.8%)
  • 16 to 20209 (24%)
  • 21 to 25106 (12%)
  • 26 to 35126 (15%)
  • 36 to 4590 (10%)
  • 46 to 5583 (9.6%)
  • 56 to 6569 (8%)
  • 66 to 7536 (4.2%)
  • Over 7534 (3.9%)
  • Not recorded13 (1.5%)

Drivers, passengers and pedestrians

  • Driver or rider543 (63%)
  • Passenger193 (22%)
  • Pedestrian127 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B474

Map of the 25 most recent crashes on the B474

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

  • 25 crashes
  • Serious
  • Slight

B474 crashes by council area

All 650 collisions on the B474 were in Buckinghamshire.

Collisions on the B474 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBuckinghamshire6508637124

B474 crashes by town

Collisions on the B474 were recorded in 2 towns and built-up areas, led by Beaconsfield (359) and Hazlemere (245).

Recent crashes on the B474

These are the 25 most recent collisions on the B474, from 2 September 2021 to 5 December 2025.

Severity