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CrashStats

B4442 accidents: crash map and statistics

Police recorded 190 collisions on the B4442 from 1979 to 2024, with 263 casualties. Of those crashes, 4 were fatal and 33 serious, and 4 people were killed.

No collisions were recorded on the B4442 in 2025, after 1 in 2024.

Collisions since 1979
190
3,297th highest of 4,923 roads
Casualties
263
1.38 per collision
Fatal collisions
4
4 people killed
Serious collisions
33
38 seriously injured
Collisions in 2025
0
1 in 2024
Casualties in 2025
0
2 in 2024

Crash severity on the B4442

On the B4442, 2.1% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2024

  • Fatal42.1%
  • Serious3317%
  • Slight15381%

Where the B4442 ranks among 4,923 roads

Most collisions
3,297th
Most casualties
3,288th
Most fatal collisions
2,815th
Most serious collisions
3,510th

B4442 accidents by year

Collisions on the B4442 peaked at 9 in 2012; none were recorded in 2025.

Collisions and casualties on the B4442, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202500
202412
202300
202211
202100
202023
201911
201822
201733
201623
201522
201456
201322
2012916
201144
201000
200944
2008613
200734
200646
200534
200458
200312
200278
200156
200057
199933
1998812
199755
199666
199588
1994710
199345
1992611
1991713
199069
198968
198857
198758
1986811
198578
198446
198345
198257
198167
198024
197913

When crashes happen on the B4442

Monday has the most collisions on the B4442 (34), and 3pm to 6pm is the busiest time of day (42).

Collisions by day of the week

  • Monday34 (18%)
  • Tuesday31 (16%)
  • Wednesday25 (13%)
  • Thursday27 (14%)
  • Friday34 (18%)
  • Saturday22 (12%)
  • Sunday17 (8.9%)

Collisions by time of day

  • Midnight to 3am9 (4.7%)
  • 3am to 6am2 (1.1%)
  • 6am to 9am36 (19%)
  • 9am to noon32 (17%)
  • Noon to 3pm22 (12%)
  • 3pm to 6pm42 (22%)
  • 6pm to 9pm33 (17%)
  • 9pm to midnight14 (7.4%)

Collisions by month

  • January13 (6.8%)
  • February11 (5.8%)
  • March18 (9.5%)
  • April14 (7.4%)
  • May12 (6.3%)
  • June18 (9.5%)
  • July20 (11%)
  • August13 (6.8%)
  • September17 (8.9%)
  • October17 (8.9%)
  • November22 (12%)
  • December15 (7.9%)

Light conditions at the time

  • Daylight137 (72%)
  • Dark, no street lighting35 (18%)
  • Dark, street lights lit13 (6.8%)
  • Dark, lighting unknown5 (2.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4442 crashes

On the B4442, 64% of collisions happened where the speed limit was 60 mph and 60% on a dry road surface.

Speed limit at the scene

  • 30 mph37 (19%)
  • 40 mph32 (17%)
  • 60 mph121 (64%)

Weather at the time

  • Fine, no high winds160 (84%)
  • Raining, no high winds20 (11%)
  • Fog or mist2 (1.1%)
  • Raining with high winds2 (1.1%)
  • Other4 (2.1%)
  • Not recorded2 (1.1%)

Road surface

  • Dry114 (60%)
  • Wet or damp65 (34%)
  • Frost or ice9 (4.7%)
  • Snow1 (0.5%)
  • Not recorded1 (0.5%)

Type of road

  • Single carriageway189 (99%)
  • One way street or slip road1 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4442 crashes

Car occupants make up 76% of the people killed or injured on the B4442, followed by motorcyclists (10%).

Casualties by road user

  • Car occupant201 (76%)
  • Motorcyclist27 (10%)
  • Cyclist12 (4.6%)
  • Pedestrian8 (3%)
  • Van occupant6 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)5 (1.9%)
  • Other vehicle occupant2 (0.8%)
  • Taxi or private hire car occupant2 (0.8%)

Vehicles involved

  • Car278 (78%)
  • Motorcycle25 (7%)
  • Van or goods vehicle up to 3.5 tonnes17 (4.8%)
  • Goods vehicle over 3.5 tonnes12 (3.4%)
  • Pedal cycle12 (3.4%)
  • Other vehicle4 (1.1%)
  • Other5 (1.4%)
  • Not recorded2 (0.6%)

Casualties by age

  • 0 to 53 (1.1%)
  • 6 to 104 (1.5%)
  • 11 to 159 (3.4%)
  • 16 to 2060 (23%)
  • 21 to 2550 (19%)
  • 26 to 3553 (20%)
  • 36 to 4526 (9.9%)
  • 46 to 5528 (11%)
  • 56 to 6511 (4.2%)
  • 66 to 7512 (4.6%)
  • Over 756 (2.3%)
  • Not recorded1 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider191 (73%)
  • Passenger64 (24%)
  • Pedestrian8 (3%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4442

Map of the 25 most recent crashes on the B4442

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4442 crashes by council area

All 190 collisions on the B4442 were in Buckinghamshire.

Collisions on the B4442 in each area, 1979 to 2024
RankAreaCollisionsCasualtiesFatalSerious
1stBuckinghamshire190263433

B4442 crashes by town

Collisions on the B4442 were recorded in 2 towns and built-up areas, led by Little Chalfont (117) and Chalfont St Giles (29).

Recent crashes on the B4442

These are the 25 most recent collisions on the B4442, from 2 September 2012 to 26 November 2024.

Severity