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CrashStats

B311 accidents: crash map and statistics

Police recorded 687 collisions on the B311 from 1979 to 2025, with 969 casualties. Of those crashes, 12 were fatal and 134 serious, and 14 people were killed.

In 2025 there were 5 collisions on the B311, down 17% from 6 in 2024, with 5 casualties.

Collisions since 1979
687
1,526th highest of 4,923 roads
Casualties
969
1.41 per collision
Fatal collisions
12
14 people killed
Serious collisions
134
163 seriously injured
Collisions in 2025
5
Down 17% on 2024
Casualties in 2025
5
Down 44% on 2024

Crash severity on the B311

On the B311, 1.7% of collisions were fatal and 20% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal121.7%
  • Serious13420%
  • Slight54179%

Where the B311 ranks among 4,923 roads

Most collisions
1,526th
Most casualties
1,467th
Most fatal collisions
1,505th
Most serious collisions
1,507th

B311 accidents by year

Collisions on the B311 peaked at 29 in 1990 and were down to 5 in 2025.

Collisions and casualties on the B311, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202555
202469
202399
202249
2021814
202066
2019912
201868
20171219
20161522
20151926
2014917
20131618
20121219
201168
20102024
20091518
20081116
20071321
20061627
20051519
20041737
20031518
2002918
20011119
200078
19991620
19981824
19972231
19961723
19951517
19941322
19931416
19921620
19911623
19902938
19892127
19882944
19871320
19862229
19852332
19842034
19831620
19821825
19811823
19801924
19792131

When crashes happen on the B311

Wednesday has the most collisions on the B311 (123), and 3pm to 6pm is the busiest time of day (162).

Collisions by day of the week

  • Monday106 (15%)
  • Tuesday94 (14%)
  • Wednesday123 (18%)
  • Thursday97 (14%)
  • Friday113 (16%)
  • Saturday81 (12%)
  • Sunday73 (11%)

Collisions by time of day

  • Midnight to 3am33 (4.8%)
  • 3am to 6am8 (1.2%)
  • 6am to 9am140 (20%)
  • 9am to noon78 (11%)
  • Noon to 3pm83 (12%)
  • 3pm to 6pm162 (24%)
  • 6pm to 9pm103 (15%)
  • 9pm to midnight80 (12%)

Collisions by month

  • January61 (8.9%)
  • February44 (6.4%)
  • March60 (8.7%)
  • April56 (8.2%)
  • May57 (8.3%)
  • June50 (7.3%)
  • July63 (9.2%)
  • August43 (6.3%)
  • September53 (7.7%)
  • October66 (9.6%)
  • November85 (12%)
  • December49 (7.1%)

Light conditions at the time

  • Daylight466 (68%)
  • Dark, street lights lit111 (16%)
  • Dark, no street lighting85 (12%)
  • Dark, lighting unknown20 (2.9%)
  • Dark, street lights unlit5 (0.7%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B311 crashes

On the B311, 43% of collisions happened where the speed limit was 30 mph and 55% on a dry road surface.

Speed limit at the scene

  • 30 mph293 (43%)
  • 40 mph92 (13%)
  • 50 mph53 (7.7%)
  • 60 mph248 (36%)
  • 70 mph1 (0.1%)

Weather at the time

  • Fine, no high winds509 (74%)
  • Raining, no high winds98 (14%)
  • Raining with high winds10 (1.5%)
  • Fine with high winds8 (1.2%)
  • Other48 (7%)
  • Not recorded14 (2%)

Road surface

  • Dry379 (55%)
  • Wet or damp281 (41%)
  • Frost or ice22 (3.2%)
  • Snow2 (0.3%)
  • Flood over 3cm deep1 (0.1%)
  • Not recorded2 (0.3%)

Type of road

  • Single carriageway615 (90%)
  • Roundabout54 (7.9%)
  • Dual carriageway7 (1%)
  • One way street or slip road2 (0.3%)
  • Not recorded9 (1.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B311 crashes

Car occupants make up 70% of the people killed or injured on the B311, followed by motorcyclists (15%).

Casualties by road user

  • Car occupant679 (70%)
  • Motorcyclist150 (15%)
  • Cyclist68 (7%)
  • Pedestrian55 (5.7%)
  • Van occupant8 (0.8%)
  • Other vehicle occupant4 (0.4%)
  • Bus or coach occupant2 (0.2%)
  • Other3 (0.3%)

Vehicles involved

  • Car953 (77%)
  • Motorcycle150 (12%)
  • Pedal cycle69 (5.6%)
  • Van or goods vehicle up to 3.5 tonnes33 (2.7%)
  • Goods vehicle over 3.5 tonnes12 (1%)
  • Other vehicle9 (0.7%)
  • Minibus6 (0.5%)
  • Other10 (0.8%)

Casualties by age

  • 0 to 519 (2%)
  • 6 to 1023 (2.4%)
  • 11 to 1557 (5.9%)
  • 16 to 20244 (25%)
  • 21 to 25144 (15%)
  • 26 to 35148 (15%)
  • 36 to 45133 (14%)
  • 46 to 5586 (8.9%)
  • 56 to 6550 (5.2%)
  • 66 to 7525 (2.6%)
  • Over 7522 (2.3%)
  • Not recorded18 (1.9%)

Drivers, passengers and pedestrians

  • Driver or rider701 (72%)
  • Passenger213 (22%)
  • Pedestrian55 (5.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B311

Map of the 25 most recent crashes on the B311

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B311 crashes by council area

Of the 687 collisions on the B311, 683 were in Surrey Heath.

Collisions on the B311 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSurrey Heath68396512134

B311 crashes by town

Collisions on the B311 were recorded in 3 towns and built-up areas, led by Camberley (217) and Frimley (152).

Recent crashes on the B311

These are the 25 most recent collisions on the B311, from 29 December 2021 to 24 October 2025.

Severity