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CrashStats

B3173 accidents: crash map and statistics

Police recorded 48 collisions on the B3173 from 1980 to 2025, with 56 casualties. Of those crashes, none were fatal and 10 were serious.

In 2025 there were 3 collisions on the B3173, up from none in 2024, with 4 casualties.

Collisions since 1980
48
4,628th highest of 4,923 roads
Casualties
56
1.17 per collision
Fatal collisions
0
No one killed
Serious collisions
10
10 seriously injured
Collisions in 2025
3
Up from none in 2024
Casualties in 2025
4
Up from none in 2024

Crash severity on the B3173

None of the 48 collisions on the B3173 were fatal, and 21% were serious (18% across Great Britain).

Collisions by severity, 1980 to 2025

  • Fatal00%
  • Serious1021%
  • Slight3879%

Where the B3173 ranks among 4,923 roads

Most collisions
4,628th
Most casualties
4,723rd
Most fatal collisions
4,444th
Most serious collisions
4,617th

B3173 accidents by year

Collisions on the B3173 peaked at 4 in 1986 and were down to 3 in 2025.

Collisions and casualties on the B3173, 1980 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202534
202400
202300
202211
202111
202000
201900
201825
201722
201622
201500
201400
201311
201200
201111
201011
200900
200800
200722
200634
200511
200411
200300
200200
200100
200000
199911
199800
199700
199600
199511
199400
199300
199200
199100
199000
198900
198811
198713
198644
198544
198444
198322
198222
198144
198034

When crashes happen on the B3173

Friday has the most collisions on the B3173 (11), and 3pm to 6pm is the busiest time of day (16).

Collisions by day of the week

  • Monday9 (19%)
  • Tuesday7 (15%)
  • Wednesday10 (21%)
  • Thursday7 (15%)
  • Friday11 (23%)
  • Saturday2 (4.2%)
  • Sunday2 (4.2%)

Collisions by time of day

  • Midnight to 3am2 (4.2%)
  • 3am to 6am1 (2.1%)
  • 6am to 9am5 (10%)
  • 9am to noon4 (8.3%)
  • Noon to 3pm5 (10%)
  • 3pm to 6pm16 (33%)
  • 6pm to 9pm10 (21%)
  • 9pm to midnight5 (10%)

Collisions by month

  • January4 (8.3%)
  • February4 (8.3%)
  • March3 (6.3%)
  • April4 (8.3%)
  • May4 (8.3%)
  • June4 (8.3%)
  • July1 (2.1%)
  • August2 (4.2%)
  • September7 (15%)
  • October6 (13%)
  • November4 (8.3%)
  • December5 (10%)

Light conditions at the time

  • Daylight30 (63%)
  • Dark, street lights lit17 (35%)
  • Dark, no street lighting1 (2.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B3173 crashes

On the B3173, 83% of collisions happened where the speed limit was 30 mph and 73% on a dry road surface.

Speed limit at the scene

  • 30 mph40 (83%)
  • 40 mph6 (13%)
  • 60 mph2 (4.2%)

Weather at the time

  • Fine, no high winds42 (88%)
  • Raining, no high winds5 (10%)
  • Fine with high winds1 (2.1%)

Road surface

  • Dry35 (73%)
  • Wet or damp12 (25%)
  • Mud1 (2.1%)

Type of road

  • Single carriageway46 (96%)
  • One way street or slip road1 (2.1%)
  • Roundabout1 (2.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B3173 crashes

Car occupants make up 55% of the people killed or injured on the B3173, followed by pedestrians (20%).

Casualties by road user

  • Car occupant31 (55%)
  • Pedestrian11 (20%)
  • Motorcyclist9 (16%)
  • Cyclist3 (5.4%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (1.8%)
  • Taxi or private hire car occupant1 (1.8%)

Vehicles involved

  • Car65 (76%)
  • Motorcycle11 (13%)
  • Pedal cycle3 (3.5%)
  • Van or goods vehicle up to 3.5 tonnes3 (3.5%)
  • Goods vehicle over 3.5 tonnes2 (2.3%)
  • Taxi or private hire car2 (2.3%)

Casualties by age

  • 0 to 51 (1.8%)
  • 6 to 102 (3.6%)
  • 11 to 155 (8.9%)
  • 16 to 207 (13%)
  • 21 to 254 (7.1%)
  • 26 to 3510 (18%)
  • 36 to 458 (14%)
  • 46 to 557 (13%)
  • 56 to 654 (7.1%)
  • 66 to 752 (3.6%)
  • Over 754 (7.1%)
  • Not recorded2 (3.6%)

Drivers, passengers and pedestrians

  • Driver or rider37 (66%)
  • Pedestrian11 (20%)
  • Passenger8 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B3173

Map of the 25 most recent crashes on the B3173

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

  • 25 crashes
  • Serious
  • Slight

B3173 crashes by council area

Of the 48 collisions on the B3173, 44 were in Windsor and Maidenhead.

Collisions on the B3173 in each area, 1980 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWindsor and Maidenhead445108

B3173 crashes by town

Of the 48 collisions on the B3173, 44 were in the built-up area of Windsor.

Recent crashes on the B3173

These are the 25 most recent collisions on the B3173, from 29 September 1987 to 17 September 2025.

Severity