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CrashStats

B488 accidents: crash map and statistics

Police recorded 578 collisions on the B488 from 1979 to 2025, with 881 casualties. Of those crashes, 8 were fatal and 131 serious, and 8 people were killed.

In 2025 there were 7 collisions on the B488, up 75% from 4 in 2024, with 12 casualties.

Collisions since 1979
578
1,746th highest of 4,923 roads
Casualties
881
1.52 per collision
Fatal collisions
8
8 people killed
Serious collisions
131
168 seriously injured
Collisions in 2025
7
Up 75% on 2024
Casualties in 2025
12
Up 200% on 2024

Crash severity on the B488

On the B488, 1.4% of collisions were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal81.4%
  • Serious13123%
  • Slight43976%

Where the B488 ranks among 4,923 roads

Most collisions
1,746th
Most casualties
1,587th
Most fatal collisions
1,937th
Most serious collisions
1,543rd

B488 accidents by year

Collisions on the B488 peaked at 23 in 2004 and were down to 7 in 2025.

Collisions and casualties on the B488, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025712
202444
202346
202222
202144
202023
2019813
2018815
201726
2016713
20151316
20141016
2013917
2012916
201168
20101015
2009915
20082029
20071725
20061629
200568
20042332
20031219
20021314
20011628
20001735
19991415
19981725
19972131
19961318
19951928
19941318
19931322
19921824
19911116
19901213
19891524
19881733
19871724
19861523
19851116
19842338
19831219
19822228
19811528
19801423
19791215

When crashes happen on the B488

Friday has the most collisions on the B488 (100), and 3pm to 6pm is the busiest time of day (119).

Collisions by day of the week

  • Monday72 (12%)
  • Tuesday78 (13%)
  • Wednesday93 (16%)
  • Thursday75 (13%)
  • Friday100 (17%)
  • Saturday83 (14%)
  • Sunday77 (13%)

Collisions by time of day

  • Midnight to 3am34 (5.9%)
  • 3am to 6am9 (1.6%)
  • 6am to 9am88 (15%)
  • 9am to noon67 (12%)
  • Noon to 3pm113 (20%)
  • 3pm to 6pm119 (21%)
  • 6pm to 9pm94 (16%)
  • 9pm to midnight54 (9.3%)

Collisions by month

  • January57 (9.9%)
  • February48 (8.3%)
  • March46 (8%)
  • April44 (7.6%)
  • May43 (7.4%)
  • June44 (7.6%)
  • July49 (8.5%)
  • August59 (10%)
  • September52 (9%)
  • October48 (8.3%)
  • November42 (7.3%)
  • December46 (8%)

Light conditions at the time

  • Daylight405 (70%)
  • Dark, no street lighting109 (19%)
  • Dark, street lights lit57 (9.9%)
  • Dark, street lights unlit4 (0.7%)
  • Dark, lighting unknown3 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B488 crashes

On the B488, 60% of collisions happened where the speed limit was 60 mph and 58% on a dry road surface.

Speed limit at the scene

  • 30 mph158 (27%)
  • 40 mph76 (13%)
  • 60 mph344 (60%)

Weather at the time

  • Fine, no high winds441 (76%)
  • Raining, no high winds93 (16%)
  • Fine with high winds7 (1.2%)
  • Raining with high winds7 (1.2%)
  • Other27 (4.7%)
  • Not recorded3 (0.5%)

Road surface

  • Dry336 (58%)
  • Wet or damp207 (36%)
  • Frost or ice28 (4.8%)
  • Snow3 (0.5%)
  • Other3 (0.5%)
  • Not recorded1 (0.2%)

Type of road

  • Single carriageway565 (98%)
  • Roundabout8 (1.4%)
  • Dual carriageway3 (0.5%)
  • One way street or slip road2 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B488 crashes

Car occupants make up 76% of the people killed or injured on the B488, followed by motorcyclists (8.9%).

Casualties by road user

  • Car occupant673 (76%)
  • Motorcyclist78 (8.9%)
  • Pedestrian40 (4.5%)
  • Cyclist34 (3.9%)
  • Van occupant28 (3.2%)
  • Bus or coach occupant11 (1.2%)
  • Goods vehicle occupant (over 3.5 tonnes)10 (1.1%)
  • Other7 (0.8%)

Vehicles involved

  • Car855 (78%)
  • Motorcycle78 (7.1%)
  • Van or goods vehicle up to 3.5 tonnes53 (4.8%)
  • Goods vehicle over 3.5 tonnes49 (4.4%)
  • Pedal cycle38 (3.4%)
  • Bus or coach10 (0.9%)
  • Other18 (1.6%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 514 (1.6%)
  • 6 to 1027 (3.1%)
  • 11 to 1547 (5.3%)
  • 16 to 20140 (16%)
  • 21 to 25127 (14%)
  • 26 to 35178 (20%)
  • 36 to 45145 (16%)
  • 46 to 5592 (10%)
  • 56 to 6560 (6.8%)
  • 66 to 7528 (3.2%)
  • Over 7516 (1.8%)
  • Not recorded7 (0.8%)

Drivers, passengers and pedestrians

  • Driver or rider595 (68%)
  • Passenger246 (28%)
  • Pedestrian40 (4.5%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B488

Map of the 25 most recent crashes on the B488

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B488 crashes by council area

Collisions on the B488 were recorded in 3 council areas. Buckinghamshire has the most, with 326, followed by Dacorum (203) and Central Bedfordshire (48).

Collisions on the B488 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBuckinghamshire326491669
2ndDacorum203324150
3rdCentral Bedfordshire4865112

B488 crashes by town

Collisions on the B488 were recorded in 2 towns and built-up areas, led by Tring (100) and Leighton Buzzard (39).

Recent crashes on the B488

These are the 25 most recent collisions on the B488, from 20 September 2019 to 23 December 2025.

Severity