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CrashStats

B4440 accidents: crash map and statistics

Police recorded 81 collisions on the B4440 from 1980 to 2024, with 114 casualties. Of those crashes, 1 was fatal and 14 serious, and 1 person was killed.

No collisions were recorded on the B4440 in 2025, after 1 in 2024.

Collisions since 1980
81
4,225th highest of 4,923 roads
Casualties
114
1.41 per collision
Fatal collisions
1
1 person killed
Serious collisions
14
22 seriously injured
Collisions in 2025
0
1 in 2024
Casualties in 2025
0
1 in 2024

Crash severity on the B4440

On the B4440, 1.2% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1980 to 2024

  • Fatal11.2%
  • Serious1417%
  • Slight6681%

Where the B4440 ranks among 4,923 roads

Most collisions
4,225th
Most casualties
4,196th
Most fatal collisions
3,933rd
Most serious collisions
4,361st

B4440 accidents by year

Collisions on the B4440 peaked at 6 in 1998; none were recorded in 2025.

Collisions and casualties on the B4440, 1980 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202500
202411
202344
202211
202100
202000
201900
201800
201711
201600
201524
201412
201300
201211
201122
201000
200900
200811
200735
200623
200523
200428
200311
200211
200146
200022
199911
199869
199734
199633
199500
199400
199333
199222
199146
199045
198934
198800
198745
198626
198511
198446
198324
198233
198122
198034

When crashes happen on the B4440

Thursday has the most collisions on the B4440 (16), and 3pm to 6pm is the busiest time of day (21).

Collisions by day of the week

  • Monday12 (15%)
  • Tuesday5 (6.2%)
  • Wednesday9 (11%)
  • Thursday16 (20%)
  • Friday12 (15%)
  • Saturday14 (17%)
  • Sunday13 (16%)

Collisions by time of day

  • Midnight to 3am2 (2.5%)
  • 3am to 6am0 (0%)
  • 6am to 9am6 (7.4%)
  • 9am to noon14 (17%)
  • Noon to 3pm12 (15%)
  • 3pm to 6pm21 (26%)
  • 6pm to 9pm12 (15%)
  • 9pm to midnight14 (17%)

Collisions by month

  • January6 (7.4%)
  • February3 (3.7%)
  • March9 (11%)
  • April9 (11%)
  • May7 (8.6%)
  • June4 (4.9%)
  • July8 (9.9%)
  • August5 (6.2%)
  • September8 (9.9%)
  • October8 (9.9%)
  • November5 (6.2%)
  • December9 (11%)

Light conditions at the time

  • Daylight51 (63%)
  • Dark, street lights lit23 (28%)
  • Dark, no street lighting4 (4.9%)
  • Dark, lighting unknown3 (3.7%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4440 crashes

On the B4440, 37% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 30 mph30 (37%)
  • 40 mph24 (30%)
  • 50 mph3 (3.7%)
  • 60 mph24 (30%)

Weather at the time

  • Fine, no high winds65 (80%)
  • Raining, no high winds10 (12%)
  • Fine with high winds1 (1.2%)
  • Other4 (4.9%)
  • Not recorded1 (1.2%)

Road surface

  • Dry52 (64%)
  • Wet or damp23 (28%)
  • Frost or ice6 (7.4%)

Type of road

  • Single carriageway78 (96%)
  • Dual carriageway2 (2.5%)
  • One way street or slip road1 (1.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4440 crashes

Car occupants make up 71% of the people killed or injured on the B4440, followed by motorcyclists (11%).

Casualties by road user

  • Car occupant81 (71%)
  • Motorcyclist12 (11%)
  • Cyclist9 (7.9%)
  • Pedestrian9 (7.9%)
  • Van occupant3 (2.6%)

Vehicles involved

  • Car129 (80%)
  • Motorcycle13 (8%)
  • Pedal cycle9 (5.6%)
  • Van or goods vehicle up to 3.5 tonnes5 (3.1%)
  • Goods vehicle over 3.5 tonnes4 (2.5%)
  • Other vehicle1 (0.6%)
  • Taxi or private hire car1 (0.6%)

Casualties by age

  • 0 to 55 (4.4%)
  • 6 to 105 (4.4%)
  • 11 to 153 (2.6%)
  • 16 to 2021 (18%)
  • 21 to 2515 (13%)
  • 26 to 3531 (27%)
  • 36 to 459 (7.9%)
  • 46 to 559 (7.9%)
  • 56 to 654 (3.5%)
  • 66 to 753 (2.6%)
  • Over 754 (3.5%)
  • Not recorded5 (4.4%)

Drivers, passengers and pedestrians

  • Driver or rider71 (62%)
  • Passenger34 (30%)
  • Pedestrian9 (7.9%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4440

Map of the 25 most recent crashes on the B4440

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4440 crashes by council area

All 81 collisions on the B4440 were in Buckinghamshire.

Collisions on the B4440 in each area, 1980 to 2024
RankAreaCollisionsCasualtiesFatalSerious
1stBuckinghamshire81114114

B4440 crashes by town

Of the 81 collisions on the B4440, 38 were in the built-up area of Bourne End and Flackwell Heath.

Recent crashes on the B4440

These are the 25 most recent collisions on the B4440, from 19 December 2002 to 23 May 2024.

Severity