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CrashStats

Longfield, New Ash Green and Hartley road accidents: crash map and statistics

Police recorded 1,119 road traffic collisions in Longfield, New Ash Green and Hartley, Sevenoaks, from 1979 to 2025, and 1,471 people were killed or injured in them. Of those collisions, 12 were fatal and 205 were serious.

In 2025 police recorded 17 collisions, up from 9 in 2024.

Collisions since 1979
1,119
699th highest of 2,851 towns
Casualties
1,471
1.31 per collision
Fatal collisions
12
12 people killed
Serious collisions
205
227 seriously injured
Collisions in 2025
17
9 in 2024
Casualties in 2025
23
12 in 2024

Road collision statistics for Longfield, New Ash Green and Hartley

Collisions by severity, 1979 to 2025

  • Fatal121.1%
  • Serious20518%
  • Slight90281%

What the data shows

  • Longfield, New Ash Green and Hartley had 151 collisions from 2016 to 2025, 23% fewer than the 195 from 2006 to 2015.
  • 19% of collisions in Longfield, New Ash Green and Hartley were fatal or serious, against 20% across Great Britain.
  • 231 children under 16 were killed or injured in Longfield, New Ash Green and Hartley, 16% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 37% of collisions in Longfield, New Ash Green and Hartley.

Where Longfield, New Ash Green and Hartley ranks among 2,851 towns

Most collisions
699th
Most casualties
680th
Most fatal collisions
744th
Most serious collisions
698th

Collisions by day of the week

  • Monday148 (13%)
  • Tuesday151 (13%)
  • Wednesday154 (14%)
  • Thursday172 (15%)
  • Friday184 (16%)
  • Saturday174 (16%)
  • Sunday136 (12%)

Light conditions

  • Daylight795 (71%)
  • Dark, street lights lit143 (13%)
  • Dark, no street lighting140 (13%)
  • Dark, street lights unlit22 (2%)
  • Dark, lighting unknown19 (1.7%)

Type of road

  • Single carriageway1,044 (93%)
  • Roundabout43 (3.8%)
  • Dual carriageway22 (2%)
  • One way street or slip road7 (0.6%)
  • Not recorded3 (0.3%)

Speed limit at the scene

  • 20 mph4 (0.4%)
  • 30 mph911 (81%)
  • 40 mph95 (8.5%)
  • 50 mph4 (0.4%)
  • 60 mph103 (9.2%)
  • 70 mph2 (0.2%)

Weather at the time

  • Fine, no high winds853 (76%)
  • Raining, no high winds171 (15%)
  • Snowing, no high winds13 (1.2%)
  • Raining with high winds12 (1.1%)
  • Fine with high winds10 (0.9%)
  • Fog or mist6 (0.5%)
  • Snowing with high winds2 (0.2%)
  • Other30 (2.7%)
  • Not recorded22 (2%)

Who was hurt

  • Car occupant945 (64%)
  • Pedestrian194 (13%)
  • Motorcyclist178 (12%)
  • Cyclist93 (6.3%)
  • Van occupant22 (1.5%)
  • Bus or coach occupant19 (1.3%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.4%)
  • Other vehicle occupant6 (0.4%)
  • Taxi or private hire car occupant4 (0.3%)
  • Minibus occupant2 (0.1%)
  • Not recorded2 (0.1%)

Source: Department for Transport, STATS19 road safety data

Longfield, New Ash Green and Hartley road accidents by year

Collisions and casualties in Longfield, New Ash Green and Hartley, 1979 to 2025

Collisions in Longfield, New Ash Green and Hartley peaked at 38 in 1984; 2025 had 17.

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251723
2024912
20231929
20221313
20211216
20201213
20191621
20181419
20171726
20162234
20151822
20142026
20132130
20121926
20112027
20102430
20091726
20082232
20071926
20061522
20051925
20042637
20033153
20022430
20012946
20003136
19993039
19983239
19972535
19962735
19952632
19943646
19933444
19923442
19913446
19902838
19892733
19882228
19872325
19861618
19852431
19843843
19832834
19822837
19813340
19803344
19793542

Map of recent crashes in Longfield, New Ash Green and Hartley

Map of the 24 most recent crashes in Longfield, New Ash Green and Hartley

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in Longfield, New Ash Green and Hartley

The 24 most recent collisions in Longfield, New Ash Green and Hartley happened between 29 March 2024 and 9 December 2025.

Severity

Crashes by road in Longfield, New Ash Green and Hartley

The B260 has the most collisions in Longfield, New Ash Green and Hartley, 262 of 1,119 (23%), followed by the B255 (5).

Collisions in Longfield, New Ash Green and Hartley on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB260262342133
2ndB2555600

Council areas covering Longfield, New Ash Green and Hartley

Collisions in Longfield, New Ash Green and Hartley were recorded in 3 council areas. Sevenoaks has 715 of 1,119 (64%).

Collisions in Longfield, New Ash Green and Hartley by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSevenoaks7159298156
2ndDartford400538348
3rdGravesham3311

Postcode districts in Longfield, New Ash Green and Hartley

Collisions in Longfield, New Ash Green and Hartley were recorded in 2 postcode districts, led by DA3 (1,094) and TN15 (25).