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CrashStats

A644 accidents: crash map and statistics

Police recorded 3,268 collisions on the A644 from 1979 to 2025, with 4,617 casualties. Of those crashes, 56 were fatal and 587 serious, and 58 people were killed.

In 2025 there were 33 collisions on the A644, up 14% from 29 in 2024, with 40 casualties.

Collisions since 1979
3,268
345th highest of 4,923 roads
Casualties
4,617
1.41 per collision
Fatal collisions
56
58 people killed
Serious collisions
587
688 seriously injured
Collisions in 2025
33
Up 14% on 2024
Casualties in 2025
40
Up 11% on 2024

Crash severity on the A644

On the A644, 1.7% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal561.7%
  • Serious58718%
  • Slight2,62580%

Where the A644 ranks among 4,923 roads

Most collisions
345th
Most casualties
329th
Most fatal collisions
378th
Most serious collisions
350th

A644 accidents by year

Collisions on the A644 peaked at 104 in 1998 and were down to 33 in 2025.

Collisions and casualties on the A644, 1979 to 2025

  • Collisions
  • Collisions in 2025: 33
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253340
20242936
20232936
20223235
20213752
20201922
20192938
20183958
20172536
20165167
20154169
20145176
20134248
20125890
20115382
20104880
20095180
20085787
20076299
200676108
200574114
200488135
200394156
200283133
200180121
2000103160
1999101152
1998104159
199778107
1996100149
199589125
19947597
199388121
199275107
19917597
199099137
198988125
198888122
198787106
198694123
198581115
198491111
198389114
1982101132
198192121
1980101130
197988109

When crashes happen on the A644

Friday has the most collisions on the A644 (540), and 3pm to 6pm is the busiest time of day (761).

Collisions by day of the week

  • Monday469 (14%)
  • Tuesday463 (14%)
  • Wednesday482 (15%)
  • Thursday478 (15%)
  • Friday540 (17%)
  • Saturday490 (15%)
  • Sunday346 (11%)

Collisions by time of day

  • Midnight to 3am125 (3.8%)
  • 3am to 6am64 (2%)
  • 6am to 9am393 (12%)
  • 9am to noon460 (14%)
  • Noon to 3pm585 (18%)
  • 3pm to 6pm761 (23%)
  • 6pm to 9pm517 (16%)
  • 9pm to midnight363 (11%)

Collisions by month

  • January301 (9.2%)
  • February266 (8.1%)
  • March262 (8%)
  • April254 (7.8%)
  • May293 (9%)
  • June272 (8.3%)
  • July255 (7.8%)
  • August222 (6.8%)
  • September252 (7.7%)
  • October299 (9.1%)
  • November316 (9.7%)
  • December276 (8.4%)

Light conditions at the time

  • Daylight2,221 (68%)
  • Dark, street lights lit983 (30%)
  • Dark, lighting unknown48 (1.5%)
  • Dark, street lights unlit11 (0.3%)
  • Dark, no street lighting5 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A644 crashes

On the A644, 70% of collisions happened where the speed limit was 30 mph and 58% on a dry road surface.

Speed limit at the scene

  • 30 mph2,284 (70%)
  • 40 mph360 (11%)
  • 50 mph157 (4.8%)
  • 60 mph409 (13%)
  • 70 mph58 (1.8%)

Weather at the time

  • Fine, no high winds2,553 (78%)
  • Raining, no high winds476 (15%)
  • Raining with high winds64 (2%)
  • Fine with high winds47 (1.4%)
  • Other106 (3.2%)
  • Not recorded22 (0.7%)

Road surface

  • Dry1,898 (58%)
  • Wet or damp1,252 (38%)
  • Frost or ice68 (2.1%)
  • Snow43 (1.3%)
  • Flood over 3cm deep4 (0.1%)
  • Other3 (0.1%)

Type of road

  • Single carriageway2,731 (84%)
  • Dual carriageway323 (9.9%)
  • Roundabout193 (5.9%)
  • One way street or slip road16 (0.5%)
  • Not recorded5 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A644 crashes

Car occupants make up 65% of the people killed or injured on the A644, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant2,980 (65%)
  • Motorcyclist539 (12%)
  • Pedestrian495 (11%)
  • Cyclist268 (5.8%)
  • Bus or coach occupant131 (2.8%)
  • Van occupant93 (2%)
  • Goods vehicle occupant (over 3.5 tonnes)63 (1.4%)
  • Other48 (1%)

Vehicles involved

  • Car4,435 (73%)
  • Motorcycle532 (8.8%)
  • Goods vehicle over 3.5 tonnes304 (5%)
  • Van or goods vehicle up to 3.5 tonnes283 (4.7%)
  • Pedal cycle280 (4.6%)
  • Bus or coach139 (2.3%)
  • Taxi or private hire car43 (0.7%)
  • Other49 (0.8%)

Casualties by age

  • 0 to 576 (1.6%)
  • 6 to 10120 (2.6%)
  • 11 to 15210 (4.5%)
  • 16 to 20845 (18%)
  • 21 to 25670 (15%)
  • 26 to 35967 (21%)
  • 36 to 45688 (15%)
  • 46 to 55464 (10%)
  • 56 to 65293 (6.3%)
  • 66 to 75168 (3.6%)
  • Over 75116 (2.5%)

Drivers, passengers and pedestrians

  • Driver or rider2,823 (61%)
  • Passenger1,299 (28%)
  • Pedestrian495 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A644

Map of the 25 most recent crashes on the A644

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A644 crashes by council area

Collisions on the A644 were recorded in 5 council areas. Kirklees has the most, with 1,649, followed by Calderdale (1,150) and Bradford (452).

Collisions on the A644 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stKirklees1,6492,30327309
2ndCalderdale1,1501,61817193
3rdBradford4526771283
4thRochdale101100
5thManchester5601

A644 crashes by town

Collisions on the A644 were recorded in 11 towns and built-up areas, led by Dewsbury (1,054) and Brighouse (540).

Recent crashes on the A644

These are the 25 most recent collisions on the A644, from 30 March to 25 November 2025.

Severity