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CrashStats

A505 accidents: crash map and statistics

Police recorded 9,317 collisions on the A505 from 1979 to 2025, with 12,925 casualties. Of those crashes, 239 were fatal and 1,651 serious, and 257 people were killed.

In 2025 there were 111 collisions on the A505, up 4% from 107 in 2024, with 159 casualties.

Collisions since 1979
9,317
88th highest of 4,923 roads
Casualties
12,925
1.39 per collision
Fatal collisions
239
257 people killed
Serious collisions
1,651
2,031 seriously injured
Collisions in 2025
111
Up 4% on 2024
Casualties in 2025
159
Up 10% on 2024

Crash severity on the A505

On the A505, 2.6% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal2392.6%
  • Serious1,65118%
  • Slight7,42780%

Where the A505 ranks among 4,923 roads

Most collisions
88th
Most casualties
92nd
Most fatal collisions
71st
Most serious collisions
94th

A505 accidents by year

Collisions on the A505 peaked at 282 in 1998 and were down to 111 in 2025.

Collisions and casualties on the A505, 1979 to 2025

  • Collisions
  • Collisions in 2025: 111
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025111159
2024107145
2023141201
2022123181
2021100148
2020140221
2019145197
2018122171
2017123178
2016147207
2015178248
2014169235
2013143191
2012161232
2011136190
2010166232
2009185258
2008146213
2007187267
2006193273
2005209284
2004195270
2003185277
2002229322
2001214287
2000232325
1999224316
1998282409
1997248356
1996261359
1995255336
1994227327
1993246313
1992225313
1991217298
1990264357
1989224317
1988238325
1987244352
1986257350
1985225293
1984249325
1983241311
1982234309
1981254355
1980248342
1979267350

When crashes happen on the A505

Friday has the most collisions on the A505 (1,585), and 3pm to 6pm is the busiest time of day (2,201).

Collisions by day of the week

  • Monday1,249 (13%)
  • Tuesday1,356 (15%)
  • Wednesday1,437 (15%)
  • Thursday1,402 (15%)
  • Friday1,585 (17%)
  • Saturday1,263 (14%)
  • Sunday1,025 (11%)

Collisions by time of day

  • Midnight to 3am330 (3.5%)
  • 3am to 6am194 (2.1%)
  • 6am to 9am1,314 (14%)
  • 9am to noon1,224 (13%)
  • Noon to 3pm1,692 (18%)
  • 3pm to 6pm2,201 (24%)
  • 6pm to 9pm1,437 (15%)
  • 9pm to midnight925 (9.9%)

Collisions by month

  • January801 (8.6%)
  • February703 (7.5%)
  • March729 (7.8%)
  • April652 (7%)
  • May713 (7.7%)
  • June750 (8%)
  • July786 (8.4%)
  • August739 (7.9%)
  • September808 (8.7%)
  • October930 (10%)
  • November900 (9.7%)
  • December806 (8.7%)

Light conditions at the time

  • Daylight6,461 (69%)
  • Dark, street lights lit2,091 (22%)
  • Dark, no street lighting630 (6.8%)
  • Dark, lighting unknown74 (0.8%)
  • Dark, street lights unlit60 (0.6%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A505 crashes

On the A505, 57% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 20 mph72 (0.8%)
  • 30 mph5,272 (57%)
  • 40 mph1,131 (12%)
  • 50 mph204 (2.2%)
  • 60 mph1,391 (15%)
  • 70 mph1,247 (13%)

Weather at the time

  • Fine, no high winds7,329 (79%)
  • Raining, no high winds1,233 (13%)
  • Fine with high winds175 (1.9%)
  • Fog or mist138 (1.5%)
  • Other376 (4%)
  • Not recorded66 (0.7%)

Road surface

  • Dry5,959 (64%)
  • Wet or damp3,110 (33%)
  • Frost or ice145 (1.6%)
  • Snow49 (0.5%)
  • Other17 (0.2%)
  • Not recorded37 (0.4%)

Type of road

  • Single carriageway4,628 (50%)
  • Dual carriageway3,244 (35%)
  • Roundabout1,191 (13%)
  • One way street or slip road241 (2.6%)
  • Not recorded13 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A505 crashes

Car occupants make up 64% of the people killed or injured on the A505, followed by pedestrians (12%).

Casualties by road user

  • Car occupant8,305 (64%)
  • Pedestrian1,534 (12%)
  • Motorcyclist1,336 (10%)
  • Cyclist789 (6.1%)
  • Van occupant395 (3.1%)
  • Bus or coach occupant201 (1.6%)
  • Other359 (2.8%)
  • Not recorded6 (under 0.1%)

Vehicles involved

  • Car13,055 (74%)
  • Motorcycle1,359 (7.7%)
  • Van or goods vehicle up to 3.5 tonnes976 (5.5%)
  • Pedal cycle805 (4.6%)
  • Goods vehicle over 3.5 tonnes756 (4.3%)
  • Bus or coach313 (1.8%)
  • Other397 (2.2%)
  • Not recorded10 (0.1%)

Casualties by age

  • 0 to 5235 (1.8%)
  • 6 to 10374 (2.9%)
  • 11 to 15562 (4.3%)
  • 16 to 201,977 (15%)
  • 21 to 251,827 (14%)
  • 26 to 352,746 (21%)
  • 36 to 451,884 (15%)
  • 46 to 551,421 (11%)
  • 56 to 65922 (7.1%)
  • 66 to 75521 (4%)
  • Over 75366 (2.8%)
  • Not recorded90 (0.7%)

Drivers, passengers and pedestrians

  • Driver or rider8,076 (62%)
  • Passenger3,315 (26%)
  • Pedestrian1,534 (12%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A505

Map of the 25 most recent crashes on the A505

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

  • 25 crashes
  • Serious
  • Slight

A505 crashes by council area

Collisions on the A505 were recorded in 4 council areas. Luton has the most, with 3,624, followed by North Hertfordshire (3,184) and Central Bedfordshire (1,372).

Collisions on the A505 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stLuton3,6244,73163539
2ndNorth Hertfordshire3,1844,49882653
3rdCentral Bedfordshire1,3721,84536189
4thSouth Cambridgeshire1,1201,82958265

A505 crashes by town

Collisions on the A505 were recorded in 8 towns and built-up areas, led by Luton (4,157) and Hitchin (930).

Recent crashes on the A505

These are the 25 most recent collisions on the A505, from 23 September to 22 December 2025.

Severity