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CrashStats

B3421 accidents: crash map and statistics

Police recorded 228 collisions on the B3421 from 1979 to 2025, with 279 casualties. Of those crashes, 1 was fatal and 38 serious, and 1 person was killed.

In 2025 there was 1 collision on the B3421, up from none in 2024, with 1 casualty.

Collisions since 1979
228
3,071st highest of 4,923 roads
Casualties
279
1.22 per collision
Fatal collisions
1
1 person killed
Serious collisions
38
41 seriously injured
Collisions in 2025
1
Up from none in 2024
Casualties in 2025
1
Up from none in 2024

Crash severity on the B3421

On the B3421, 0.4% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal10.4%
  • Serious3817%
  • Slight18983%

Where the B3421 ranks among 4,923 roads

Most collisions
3,071st
Most casualties
3,212th
Most fatal collisions
3,933rd
Most serious collisions
3,345th

B3421 accidents by year

Collisions on the B3421 peaked at 17 in 1990 and were down to 1 in 2025.

Collisions and casualties on the B3421, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202400
202322
202211
202133
202011
201923
201800
201700
201644
201522
201468
201356
201269
201156
201011
200955
200823
200756
200644
200512
200435
200346
200277
200144
200077
19991214
1998711
1997910
199655
19951116
199489
199378
1992716
199155
19901719
198944
19881010
1987710
1986912
198546
198467
198345
198200
198166
198022
197978

When crashes happen on the B3421

Thursday has the most collisions on the B3421 (42), and 3pm to 6pm is the busiest time of day (72).

Collisions by day of the week

  • Monday40 (18%)
  • Tuesday32 (14%)
  • Wednesday38 (17%)
  • Thursday42 (18%)
  • Friday38 (17%)
  • Saturday25 (11%)
  • Sunday13 (5.7%)

Collisions by time of day

  • Midnight to 3am11 (4.8%)
  • 3am to 6am2 (0.9%)
  • 6am to 9am32 (14%)
  • 9am to noon19 (8.3%)
  • Noon to 3pm40 (18%)
  • 3pm to 6pm72 (32%)
  • 6pm to 9pm34 (15%)
  • 9pm to midnight18 (7.9%)

Collisions by month

  • January19 (8.3%)
  • February19 (8.3%)
  • March20 (8.8%)
  • April17 (7.5%)
  • May12 (5.3%)
  • June15 (6.6%)
  • July31 (14%)
  • August21 (9.2%)
  • September21 (9.2%)
  • October16 (7%)
  • November27 (12%)
  • December10 (4.4%)

Light conditions at the time

  • Daylight173 (76%)
  • Dark, street lights lit47 (21%)
  • Dark, no street lighting5 (2.2%)
  • Dark, lighting unknown3 (1.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3421 crashes

On the B3421, 62% of collisions happened where the speed limit was 30 mph and 71% on a dry road surface.

Speed limit at the scene

  • 30 mph142 (62%)
  • 40 mph80 (35%)
  • 60 mph6 (2.6%)

Weather at the time

  • Fine, no high winds185 (81%)
  • Raining, no high winds24 (11%)
  • Raining with high winds4 (1.8%)
  • Fine with high winds2 (0.9%)
  • Other9 (3.9%)
  • Not recorded4 (1.8%)

Road surface

  • Dry161 (71%)
  • Wet or damp58 (25%)
  • Frost or ice6 (2.6%)
  • Snow2 (0.9%)
  • Not recorded1 (0.4%)

Type of road

  • Single carriageway164 (72%)
  • Roundabout31 (14%)
  • One way street or slip road25 (11%)
  • Dual carriageway8 (3.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3421 crashes

Car occupants make up 52% of the people killed or injured on the B3421, followed by motorcyclists (18%).

Casualties by road user

  • Car occupant146 (52%)
  • Motorcyclist49 (18%)
  • Cyclist46 (16%)
  • Pedestrian24 (8.6%)
  • Van occupant7 (2.5%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (1.1%)
  • Other3 (1.1%)
  • Not recorded1 (0.4%)

Vehicles involved

  • Car297 (67%)
  • Motorcycle50 (11%)
  • Pedal cycle46 (10%)
  • Van or goods vehicle up to 3.5 tonnes28 (6.3%)
  • Goods vehicle over 3.5 tonnes14 (3.2%)
  • Taxi or private hire car4 (0.9%)
  • Other3 (0.7%)
  • Not recorded1 (0.2%)

Casualties by age

  • 0 to 53 (1.1%)
  • 6 to 105 (1.8%)
  • 11 to 156 (2.2%)
  • 16 to 2070 (25%)
  • 21 to 2543 (15%)
  • 26 to 3550 (18%)
  • 36 to 4537 (13%)
  • 46 to 5530 (11%)
  • 56 to 6512 (4.3%)
  • 66 to 756 (2.2%)
  • Over 752 (0.7%)
  • Not recorded15 (5.4%)

Drivers, passengers and pedestrians

  • Driver or rider206 (74%)
  • Passenger49 (18%)
  • Pedestrian24 (8.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3421

Map of the 25 most recent crashes on the B3421

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B3421 crashes by council area

Of the 228 collisions on the B3421, 227 were in West Berkshire.

Collisions on the B3421 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWest Berkshire227278138

B3421 crashes by town

Of the 228 collisions on the B3421, 201 were in the built-up area of Newbury.

Recent crashes on the B3421

These are the 25 most recent collisions on the B3421, from 21 January 2013 to 12 April 2025.

Severity