Skip to main content
CrashStats

A4011 accidents: crash map and statistics

Police recorded 170 collisions on the A4011 from 1979 to 1996, with 255 casualties. Of those crashes, 11 were fatal and 36 serious, and 13 people were killed.

The last recorded collision on the A4011 was on 28 October 1996.

Collisions since 1979
170
3,444th highest of 4,923 roads
Casualties
255
1.50 per collision
Fatal collisions
11
13 people killed
Serious collisions
36
48 seriously injured
Last recorded collision
28 Oct 1996
Busiest year
1979
21 collisions

Crash severity on the A4011

On the A4011, 6.5% of collisions were fatal and 21% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 1996

  • Fatal116.5%
  • Serious3621%
  • Slight12372%

Where the A4011 ranks among 4,923 roads

Most collisions
3,444th
Most casualties
3,324th
Most fatal collisions
1,595th
Most serious collisions
3,408th

A4011 accidents by year

Collisions on the A4011 peaked at 21 in 1979, and none have been recorded since 1996.

Collisions and casualties on the A4011, 1979 to 1996

  • Collisions
  • Collisions in 1996
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
19961423
199534
1994610
199345
1992915
1991912
19901013
19891216
1988815
1987814
19861013
19851217
1984813
19831017
19821014
1981913
1980710
19792131

When crashes happen on the A4011

Friday has the most collisions on the A4011 (32), and 9pm to midnight is the busiest time of day (38).

Collisions by day of the week

  • Monday24 (14%)
  • Tuesday21 (12%)
  • Wednesday25 (15%)
  • Thursday24 (14%)
  • Friday32 (19%)
  • Saturday21 (12%)
  • Sunday23 (14%)

Collisions by time of day

  • Midnight to 3am7 (4.1%)
  • 3am to 6am3 (1.8%)
  • 6am to 9am25 (15%)
  • 9am to noon13 (7.6%)
  • Noon to 3pm25 (15%)
  • 3pm to 6pm37 (22%)
  • 6pm to 9pm22 (13%)
  • 9pm to midnight38 (22%)

Collisions by month

  • January11 (6.5%)
  • February10 (5.9%)
  • March14 (8.2%)
  • April11 (6.5%)
  • May15 (8.8%)
  • June9 (5.3%)
  • July12 (7.1%)
  • August23 (14%)
  • September15 (8.8%)
  • October15 (8.8%)
  • November24 (14%)
  • December11 (6.5%)

Light conditions at the time

  • Daylight98 (58%)
  • Dark, street lights lit52 (31%)
  • Dark, no street lighting17 (10%)
  • Dark, lighting unknown1 (0.6%)
  • Not recorded2 (1.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4011 crashes

On the A4011, 38% of collisions happened where the speed limit was 60 mph and 58% on a dry road surface.

Speed limit at the scene

  • 30 mph54 (32%)
  • 40 mph51 (30%)
  • 60 mph65 (38%)

Weather at the time

  • Fine, no high winds134 (79%)
  • Raining, no high winds20 (12%)
  • Raining with high winds4 (2.4%)
  • Fine with high winds3 (1.8%)
  • Other7 (4.1%)
  • Not recorded2 (1.2%)

Road surface

  • Dry99 (58%)
  • Wet or damp67 (39%)
  • Frost or ice2 (1.2%)
  • Not recorded2 (1.2%)

Type of road

  • Single carriageway168 (99%)
  • Dual carriageway2 (1.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4011 crashes

Car occupants make up 64% of the people killed or injured on the A4011, followed by motorcyclists (18%).

Casualties by road user

  • Car occupant162 (64%)
  • Motorcyclist45 (18%)
  • Pedestrian31 (12%)
  • Cyclist10 (3.9%)
  • Van occupant6 (2.4%)
  • Other vehicle occupant1 (0.4%)

Vehicles involved

  • Car239 (72%)
  • Motorcycle40 (12%)
  • Van or goods vehicle up to 3.5 tonnes15 (4.5%)
  • Goods vehicle over 3.5 tonnes11 (3.3%)
  • Pedal cycle10 (3%)
  • Other vehicle6 (1.8%)
  • Other6 (1.8%)
  • Not recorded7 (2.1%)

Casualties by age

  • 0 to 54 (1.6%)
  • 6 to 104 (1.6%)
  • 11 to 1517 (6.7%)
  • 16 to 2067 (26%)
  • 21 to 2539 (15%)
  • 26 to 3543 (17%)
  • 36 to 4531 (12%)
  • 46 to 5516 (6.3%)
  • 56 to 6510 (3.9%)
  • 66 to 7514 (5.5%)
  • Over 755 (2%)
  • Not recorded5 (2%)

Drivers, passengers and pedestrians

  • Driver or rider146 (57%)
  • Passenger78 (31%)
  • Pedestrian31 (12%)

Source: Department for Transport, STATS19 road safety data

Map of the latest recorded crashes on the A4011

Map of the 25 latest recorded crashes on the A4011

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A4011 crashes by council area

All 170 collisions on the A4011 were in Buckinghamshire.

Collisions on the A4011 in each area, 1979 to 1996
RankAreaCollisionsCasualtiesFatalSerious
1stBuckinghamshire1702551136

A4011 crashes by town

Of the 170 collisions on the A4011, 90 were in the built-up area of Wendover.

Latest recorded crashes on the A4011

These are the 25 latest recorded collisions on the A4011, from 16 November 1993 to 28 October 1996.

Severity