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CrashStats

B1 accidents: crash map and statistics

Police recorded 195 collisions on the B1 from 1979 to 2025, with 245 casualties. Of those crashes, none were fatal and 55 were serious.

In 2025 there was 1 collision on the B1, up from none in 2024, with 1 casualty.

Collisions since 1979
195
3,271st highest of 4,923 roads
Casualties
245
1.26 per collision
Fatal collisions
0
No one killed
Serious collisions
55
63 seriously injured
Collisions in 2025
1
Up from none in 2024
Casualties in 2025
1
Up from none in 2024

Crash severity on the B1

None of the 195 collisions on the B1 were fatal, and 28% were serious (18% across Great Britain).

Collisions by severity, 1979 to 2025

  • Fatal00%
  • Serious5528%
  • Slight14072%

Where the B1 ranks among 4,923 roads

Most collisions
3,271st
Most casualties
3,379th
Most fatal collisions
4,444th
Most serious collisions
2,827th

B1 accidents by year

Collisions on the B1 peaked at 73 in 2020 and were down to 1 in 2025.

Collisions and casualties on the B1, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202400
202300
202200
20216980
20207396
201911
201822
201755
20161922
201500
201411
201300
201200
201100
201013
200939
200833
200722
200623
200547
200400
200300
200200
200100
200000
199900
199800
199711
199611
199500
199400
199300
199200
199100
199000
198900
198800
198700
198600
198500
198400
198300
198222
198111
198000
197945

When crashes happen on the B1

Friday has the most collisions on the B1 (36), and 3pm to 6pm is the busiest time of day (45).

Collisions by day of the week

  • Monday27 (14%)
  • Tuesday30 (15%)
  • Wednesday30 (15%)
  • Thursday21 (11%)
  • Friday36 (18%)
  • Saturday30 (15%)
  • Sunday21 (11%)

Collisions by time of day

  • Midnight to 3am13 (6.7%)
  • 3am to 6am8 (4.1%)
  • 6am to 9am24 (12%)
  • 9am to noon34 (17%)
  • Noon to 3pm20 (10%)
  • 3pm to 6pm45 (23%)
  • 6pm to 9pm34 (17%)
  • 9pm to midnight17 (8.7%)

Collisions by month

  • January19 (9.7%)
  • February11 (5.6%)
  • March11 (5.6%)
  • April13 (6.7%)
  • May13 (6.7%)
  • June15 (7.7%)
  • July18 (9.2%)
  • August17 (8.7%)
  • September10 (5.1%)
  • October29 (15%)
  • November18 (9.2%)
  • December21 (11%)

Light conditions at the time

  • Daylight119 (61%)
  • Dark, street lights lit52 (27%)
  • Dark, no street lighting16 (8.2%)
  • Dark, lighting unknown4 (2.1%)
  • Dark, street lights unlit4 (2.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B1 crashes

On the B1, 71% of collisions happened where the speed limit was 30 mph and 60% on a dry road surface.

Speed limit at the scene

  • 20 mph7 (3.6%)
  • 30 mph138 (71%)
  • 40 mph26 (13%)
  • 50 mph2 (1%)
  • 60 mph21 (11%)
  • 70 mph1 (0.5%)

Weather at the time

  • Fine, no high winds144 (74%)
  • Raining, no high winds27 (14%)
  • Fog or mist3 (1.5%)
  • Raining with high winds3 (1.5%)
  • Other16 (8.2%)
  • Not recorded2 (1%)

Road surface

  • Dry117 (60%)
  • Wet or damp70 (36%)
  • Frost or ice6 (3.1%)
  • Snow2 (1%)

Type of road

  • Single carriageway166 (85%)
  • Roundabout10 (5.1%)
  • Dual carriageway8 (4.1%)
  • One way street or slip road5 (2.6%)
  • Not recorded6 (3.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B1 crashes

Car occupants make up 53% of the people killed or injured on the B1, followed by pedestrians (15%).

Casualties by road user

  • Car occupant131 (53%)
  • Pedestrian37 (15%)
  • Motorcyclist36 (15%)
  • Cyclist26 (11%)
  • Van occupant7 (2.9%)
  • Bus or coach occupant4 (1.6%)
  • Mobility scooter rider2 (0.8%)
  • Other2 (0.8%)

Vehicles involved

  • Car235 (71%)
  • Motorcycle34 (10%)
  • Pedal cycle29 (8.8%)
  • Van or goods vehicle up to 3.5 tonnes14 (4.3%)
  • Goods vehicle over 3.5 tonnes7 (2.1%)
  • Bus or coach3 (0.9%)
  • Goods vehicle, weight unknown2 (0.6%)
  • Other5 (1.5%)

Casualties by age

  • 0 to 56 (2.4%)
  • 6 to 108 (3.3%)
  • 11 to 1515 (6.1%)
  • 16 to 2038 (16%)
  • 21 to 2532 (13%)
  • 26 to 3541 (17%)
  • 36 to 4535 (14%)
  • 46 to 5531 (13%)
  • 56 to 6523 (9.4%)
  • 66 to 7510 (4.1%)
  • Over 755 (2%)
  • Not recorded1 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider152 (62%)
  • Passenger56 (23%)
  • Pedestrian37 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B1

Map of the 25 most recent crashes on the B1

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

  • 25 crashes
  • Serious
  • Slight

B1 crashes by council area

Collisions on the B1 were recorded in 22 council areas. Guildford has the most, with 12, followed by Spelthorne (12) and Elmbridge (9).

Collisions on the B1 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stGuildford121205
2ndSpelthorne121401
3rdElmbridge91005
4thSheffield8803
5thDoncaster7803
6thEpsom and Ewell7901
7thBlackburn with Darwen6700
8thWarrington6600
9thGlasgow City5504
10thReigate and Banstead5502
11thBrighton and Hove4500
12thCheltenham4400
13thCheshire East4400
14thCheshire West and Chester4702
15thNorth Yorkshire4500
16thTandridge4502
17thWakefield4601
18thEpping Forest3400
19thGloucester3301
20thMole Valley3401
21stRibble Valley3303
22ndRotherham3300

B1 crashes by town

Collisions on the B1 were recorded in 12 towns and built-up areas, led by Sheffield (7) and Blackburn, Blackburn with Darwen (6).

Recent crashes on the B1

These are the 25 most recent collisions on the B1, from 25 July 2021 to 1 November 2025.

Severity