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CrashStats

B284 accidents: crash map and statistics

Police recorded 1,362 collisions on the B284 from 1979 to 2025, with 1,671 casualties. Of those crashes, 19 were fatal and 246 serious, and 19 people were killed.

In 2025 there were 17 collisions on the B284, up 21% from 14 in 2024, with 19 casualties.

Collisions since 1979
1,362
816th highest of 4,923 roads
Casualties
1,671
1.23 per collision
Fatal collisions
19
19 people killed
Serious collisions
246
265 seriously injured
Collisions in 2025
17
Up 21% on 2024
Casualties in 2025
19
Up 19% on 2024

Crash severity on the B284

On the B284, 1.4% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal191.4%
  • Serious24618%
  • Slight1,09781%

Where the B284 ranks among 4,923 roads

Most collisions
816th
Most casualties
885th
Most fatal collisions
1,031st
Most serious collisions
873rd

B284 accidents by year

Collisions on the B284 peaked at 68 in 1984 and were down to 17 in 2025.

Collisions and casualties on the B284, 1979 to 2025

  • Collisions
  • Collisions in 2025: 17
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251719
20241416
20231822
20221317
20211718
20201515
20191314
20181720
20171414
20161922
20151921
20142228
20132126
20122223
20112227
20102332
20092328
20081423
20072631
20062130
20052738
20042440
20032732
20022530
20013043
20003952
19993140
19983539
19971821
19963031
19951723
19943138
19933640
19922328
19913544
19905155
19894049
19885365
19874159
19864462
19853643
19846886
19834655
19824452
19813843
19804450
19795967

When crashes happen on the B284

Thursday has the most collisions on the B284 (230), and 3pm to 6pm is the busiest time of day (342).

Collisions by day of the week

  • Monday187 (14%)
  • Tuesday211 (15%)
  • Wednesday195 (14%)
  • Thursday230 (17%)
  • Friday220 (16%)
  • Saturday170 (12%)
  • Sunday149 (11%)

Collisions by time of day

  • Midnight to 3am49 (3.6%)
  • 3am to 6am10 (0.7%)
  • 6am to 9am217 (16%)
  • 9am to noon190 (14%)
  • Noon to 3pm206 (15%)
  • 3pm to 6pm342 (25%)
  • 6pm to 9pm226 (17%)
  • 9pm to midnight122 (9%)

Collisions by month

  • January126 (9.3%)
  • February106 (7.8%)
  • March91 (6.7%)
  • April97 (7.1%)
  • May102 (7.5%)
  • June118 (8.7%)
  • July121 (8.9%)
  • August109 (8%)
  • September103 (7.6%)
  • October110 (8.1%)
  • November155 (11%)
  • December124 (9.1%)

Light conditions at the time

  • Daylight946 (69%)
  • Dark, street lights lit380 (28%)
  • Dark, lighting unknown17 (1.2%)
  • Dark, street lights unlit10 (0.7%)
  • Dark, no street lighting9 (0.7%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B284 crashes

On the B284, 89% of collisions happened where the speed limit was 30 mph and 70% on a dry road surface.

Speed limit at the scene

  • 20 mph6 (0.4%)
  • 30 mph1,208 (89%)
  • 40 mph136 (10%)
  • 50 mph1 (0.1%)
  • 60 mph10 (0.7%)
  • 70 mph1 (0.1%)

Weather at the time

  • Fine, no high winds973 (71%)
  • Raining, no high winds175 (13%)
  • Fine with high winds15 (1.1%)
  • Raining with high winds14 (1%)
  • Other155 (11%)
  • Not recorded30 (2.2%)

Road surface

  • Dry957 (70%)
  • Wet or damp364 (27%)
  • Frost or ice22 (1.6%)
  • Snow17 (1.2%)
  • Not recorded2 (0.1%)

Type of road

  • Single carriageway1,033 (76%)
  • Dual carriageway120 (8.8%)
  • Roundabout94 (6.9%)
  • One way street or slip road9 (0.7%)
  • Not recorded106 (7.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B284 crashes

Car occupants make up 53% of the people killed or injured on the B284, followed by motorcyclists (17%).

Casualties by road user

  • Car occupant878 (53%)
  • Motorcyclist292 (17%)
  • Cyclist217 (13%)
  • Pedestrian211 (13%)
  • Van occupant38 (2.3%)
  • Bus or coach occupant17 (1%)
  • Other vehicle occupant11 (0.7%)
  • Other7 (0.4%)

Vehicles involved

  • Car1,678 (70%)
  • Motorcycle309 (13%)
  • Pedal cycle219 (9.2%)
  • Van or goods vehicle up to 3.5 tonnes100 (4.2%)
  • Goods vehicle over 3.5 tonnes27 (1.1%)
  • Other vehicle24 (1%)
  • Bus or coach21 (0.9%)
  • Other12 (0.5%)

Casualties by age

  • 0 to 526 (1.6%)
  • 6 to 1042 (2.5%)
  • 11 to 1595 (5.7%)
  • 16 to 20330 (20%)
  • 21 to 25223 (13%)
  • 26 to 35260 (16%)
  • 36 to 45230 (14%)
  • 46 to 55166 (9.9%)
  • 56 to 6597 (5.8%)
  • 66 to 7566 (3.9%)
  • Over 7546 (2.8%)
  • Not recorded90 (5.4%)

Drivers, passengers and pedestrians

  • Driver or rider1,159 (69%)
  • Passenger301 (18%)
  • Pedestrian211 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B284

Map of the 25 most recent crashes on the B284

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

  • 25 crashes
  • Serious
  • Slight

B284 crashes by council area

Collisions on the B284 were recorded in 3 council areas. Epsom and Ewell has the most, with 1,238, followed by Kingston upon Thames (92) and Reigate and Banstead (30).

Collisions on the B284 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stEpsom and Ewell1,2381,50717218
2ndKingston upon Thames92125122
3rdReigate and Banstead303714

B284 crashes by town

Collisions on the B284 were recorded in 5 towns and built-up areas, led by Epsom (482) and Ewell (365).

Recent crashes on the B284

These are the 25 most recent collisions on the B284, from 15 May 2024 to 19 December 2025.

Severity