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CrashStats

B4099 accidents: crash map and statistics

Police recorded 713 collisions on the B4099 from 1979 to 2025, with 900 casualties. Of those crashes, 5 were fatal and 128 serious, and 6 people were killed.

In 2025 there were 9 collisions on the B4099, up 200% from 3 in 2024, with 11 casualties.

Collisions since 1979
713
1,479th highest of 4,923 roads
Casualties
900
1.26 per collision
Fatal collisions
5
6 people killed
Serious collisions
128
143 seriously injured
Collisions in 2025
9
Up 200% on 2024
Casualties in 2025
11
Up 267% on 2024

Crash severity on the B4099

On the B4099, 0.7% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal50.7%
  • Serious12818%
  • Slight58081%

Where the B4099 ranks among 4,923 roads

Most collisions
1,479th
Most casualties
1,555th
Most fatal collisions
2,545th
Most serious collisions
1,574th

B4099 accidents by year

Collisions on the B4099 peaked at 29 in 2002 and were down to 9 in 2025.

Collisions and casualties on the B4099, 1979 to 2025

  • Collisions
  • Collisions in 2025: 9
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025911
202433
202345
202211
202179
202046
201978
201889
2017710
20161112
201557
20141015
2013911
201236
201177
201078
20091318
20081821
20071214
20061318
20051315
20041414
20031316
20022933
20012150
20001516
19992224
19981923
19972641
19961922
19952125
19941417
19932933
19922126
19912528
19902025
19892128
19882527
19871921
19862628
19851822
19842123
19832025
19821728
19812330
19802330
19792131

When crashes happen on the B4099

Friday has the most collisions on the B4099 (134), and 3pm to 6pm is the busiest time of day (186).

Collisions by day of the week

  • Monday94 (13%)
  • Tuesday112 (16%)
  • Wednesday117 (16%)
  • Thursday96 (13%)
  • Friday134 (19%)
  • Saturday90 (13%)
  • Sunday70 (9.8%)

Collisions by time of day

  • Midnight to 3am18 (2.5%)
  • 3am to 6am8 (1.1%)
  • 6am to 9am63 (8.8%)
  • 9am to noon115 (16%)
  • Noon to 3pm149 (21%)
  • 3pm to 6pm186 (26%)
  • 6pm to 9pm94 (13%)
  • 9pm to midnight80 (11%)

Collisions by month

  • January63 (8.8%)
  • February44 (6.2%)
  • March40 (5.6%)
  • April48 (6.7%)
  • May61 (8.6%)
  • June51 (7.2%)
  • July64 (9%)
  • August66 (9.3%)
  • September60 (8.4%)
  • October82 (12%)
  • November77 (11%)
  • December57 (8%)

Light conditions at the time

  • Daylight515 (72%)
  • Dark, street lights lit191 (27%)
  • Dark, street lights unlit3 (0.4%)
  • Dark, lighting unknown2 (0.3%)
  • Dark, no street lighting2 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4099 crashes

On the B4099, 88% of collisions happened where the speed limit was 30 mph and 69% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.4%)
  • 30 mph625 (88%)
  • 40 mph85 (12%)

Weather at the time

  • Fine, no high winds592 (83%)
  • Raining, no high winds94 (13%)
  • Fine with high winds7 (1%)
  • Raining with high winds3 (0.4%)
  • Other15 (2.1%)
  • Not recorded2 (0.3%)

Road surface

  • Dry494 (69%)
  • Wet or damp212 (30%)
  • Frost or ice4 (0.6%)
  • Snow2 (0.3%)
  • Flood over 3cm deep1 (0.1%)

Type of road

  • Single carriageway680 (95%)
  • Roundabout26 (3.6%)
  • One way street or slip road4 (0.6%)
  • Dual carriageway2 (0.3%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4099 crashes

Car occupants make up 50% of the people killed or injured on the B4099, followed by cyclists (16%).

Casualties by road user

  • Car occupant446 (50%)
  • Cyclist140 (16%)
  • Pedestrian139 (15%)
  • Motorcyclist130 (14%)
  • Bus or coach occupant25 (2.8%)
  • Van occupant10 (1.1%)
  • Taxi or private hire car occupant9 (1%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.1%)

Vehicles involved

  • Car1,001 (74%)
  • Pedal cycle145 (11%)
  • Motorcycle133 (9.8%)
  • Van or goods vehicle up to 3.5 tonnes33 (2.4%)
  • Goods vehicle over 3.5 tonnes16 (1.2%)
  • Taxi or private hire car15 (1.1%)
  • Bus or coach8 (0.6%)
  • Other vehicle6 (0.4%)

Casualties by age

  • 0 to 513 (1.4%)
  • 6 to 1019 (2.1%)
  • 11 to 1567 (7.4%)
  • 16 to 20178 (20%)
  • 21 to 25113 (13%)
  • 26 to 35157 (17%)
  • 36 to 45107 (12%)
  • 46 to 5572 (8%)
  • 56 to 6569 (7.7%)
  • 66 to 7540 (4.4%)
  • Over 7542 (4.7%)
  • Not recorded23 (2.6%)

Drivers, passengers and pedestrians

  • Driver or rider565 (63%)
  • Passenger196 (22%)
  • Pedestrian139 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4099

Map of the 25 most recent crashes on the B4099

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

  • 25 crashes
  • Serious
  • Slight

B4099 crashes by council area

All 713 collisions on the B4099 were in Warwick.

Collisions on the B4099 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWarwick7139005128

B4099 crashes by town

Of the 713 collisions on the B4099, 639 were in the built-up area of Royal Leamington Spa.

Recent crashes on the B4099

These are the 25 most recent collisions on the B4099, from 8 December 2020 to 28 October 2025.

Severity