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CrashStats

B3020 accidents: crash map and statistics

Police recorded 133 collisions on the B3020 from 1979 to 2025, with 174 casualties. Of those crashes, 1 was fatal and 23 serious, and 1 person was killed.

In 2025 there was 1 collision on the B3020, up from none in 2024, with 1 casualty.

Collisions since 1979
133
3,734th highest of 4,923 roads
Casualties
174
1.31 per collision
Fatal collisions
1
1 person killed
Serious collisions
23
25 seriously injured
Collisions in 2025
1
Up from none in 2024
Casualties in 2025
1
Up from none in 2024

Crash severity on the B3020

On the B3020, 0.8% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal10.8%
  • Serious2317%
  • Slight10982%

Where the B3020 ranks among 4,923 roads

Most collisions
3,734th
Most casualties
3,778th
Most fatal collisions
3,933rd
Most serious collisions
3,899th

B3020 accidents by year

Collisions on the B3020 peaked at 7 in 1981 and were down to 1 in 2025.

Collisions and casualties on the B3020, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202400
202324
202211
202113
202012
201924
201825
201734
201611
201511
201412
201323
201200
201134
201033
200935
200811
200700
200622
200568
200445
200357
200244
200134
200057
199944
199857
199711
199635
199557
199455
199345
199234
199123
199034
198911
198822
198734
198634
198555
198433
198345
198269
198177
198033
197945

When crashes happen on the B3020

Friday has the most collisions on the B3020 (24), and 3pm to 6pm is the busiest time of day (25).

Collisions by day of the week

  • Monday15 (11%)
  • Tuesday23 (17%)
  • Wednesday18 (14%)
  • Thursday20 (15%)
  • Friday24 (18%)
  • Saturday20 (15%)
  • Sunday13 (9.8%)

Collisions by time of day

  • Midnight to 3am6 (4.5%)
  • 3am to 6am1 (0.8%)
  • 6am to 9am22 (17%)
  • 9am to noon15 (11%)
  • Noon to 3pm22 (17%)
  • 3pm to 6pm25 (19%)
  • 6pm to 9pm18 (14%)
  • 9pm to midnight24 (18%)

Collisions by month

  • January10 (7.5%)
  • February7 (5.3%)
  • March12 (9%)
  • April12 (9%)
  • May10 (7.5%)
  • June6 (4.5%)
  • July17 (13%)
  • August8 (6%)
  • September16 (12%)
  • October7 (5.3%)
  • November16 (12%)
  • December12 (9%)

Light conditions at the time

  • Daylight84 (63%)
  • Dark, street lights lit30 (23%)
  • Dark, no street lighting14 (11%)
  • Dark, lighting unknown3 (2.3%)
  • Dark, street lights unlit1 (0.8%)
  • Not recorded1 (0.8%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3020 crashes

On the B3020, 49% of collisions happened where the speed limit was 30 mph and 68% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (2.3%)
  • 30 mph65 (49%)
  • 40 mph27 (20%)
  • 60 mph37 (28%)
  • 70 mph1 (0.8%)

Weather at the time

  • Fine, no high winds110 (83%)
  • Raining, no high winds14 (11%)
  • Raining with high winds2 (1.5%)
  • Fog or mist1 (0.8%)
  • Other4 (3%)
  • Not recorded2 (1.5%)

Road surface

  • Dry90 (68%)
  • Wet or damp40 (30%)
  • Frost or ice3 (2.3%)

Type of road

  • Single carriageway129 (97%)
  • Dual carriageway4 (3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3020 crashes

Car occupants make up 60% of the people killed or injured on the B3020, followed by motorcyclists (15%).

Casualties by road user

  • Car occupant105 (60%)
  • Motorcyclist26 (15%)
  • Pedestrian26 (15%)
  • Cyclist9 (5.2%)
  • Van occupant6 (3.4%)
  • Other vehicle occupant1 (0.6%)
  • Taxi or private hire car occupant1 (0.6%)

Vehicles involved

  • Car188 (77%)
  • Motorcycle28 (12%)
  • Pedal cycle9 (3.7%)
  • Van or goods vehicle up to 3.5 tonnes9 (3.7%)
  • Goods vehicle over 3.5 tonnes5 (2.1%)
  • Other vehicle2 (0.8%)
  • Bus or coach1 (0.4%)
  • Taxi or private hire car1 (0.4%)

Casualties by age

  • 0 to 54 (2.3%)
  • 6 to 103 (1.7%)
  • 11 to 1510 (5.7%)
  • 16 to 2036 (21%)
  • 21 to 2518 (10%)
  • 26 to 3520 (11%)
  • 36 to 4531 (18%)
  • 46 to 5520 (11%)
  • 56 to 659 (5.2%)
  • 66 to 758 (4.6%)
  • Over 756 (3.4%)
  • Not recorded9 (5.2%)

Drivers, passengers and pedestrians

  • Driver or rider119 (68%)
  • Passenger29 (17%)
  • Pedestrian26 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3020

Map of the 25 most recent crashes on the B3020

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

  • 25 crashes
  • Serious
  • Slight

B3020 crashes by council area

Collisions on the B3020 were recorded in 4 council areas. Windsor and Maidenhead has the most, with 76, followed by Bracknell Forest (24) and Surrey Heath (22).

Collisions on the B3020 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWindsor and Maidenhead7696112
2ndBracknell Forest243202
3rdSurrey Heath223207
4thIsle of Wight8900

B3020 crashes by town

Of the 133 collisions on the B3020, 119 were in the built-up area of Ascot.

Recent crashes on the B3020

These are the 25 most recent collisions on the B3020, from 25 November 2009 to 10 January 2025.

Severity