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CrashStats

DN21 road accidents: crash map and statistics

Collisions since 1979
5,439
443rd highest of 2,813 postcode districts
Casualties
7,902
1.45 per collision
Fatal collisions
174
190 people killed
Serious collisions
1,162
1,506 seriously injured
Collisions in 2025
76
Up 15% on 2024
Casualties in 2025
97
Up 15% on 2024

Road collision statistics for DN21

Collisions by severity, 1979 to 2025

  • Fatal1743.2%
  • Serious1,16221%
  • Slight4,10375%

What the data shows

  • DN21 had 757 collisions from 2016 to 2025, 32% fewer than the 1,106 from 2006 to 2015.
  • 25% of collisions in DN21 were fatal or serious, against 20% across Great Britain.
  • 993 children under 16 were killed or injured in DN21, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in DN21.

Where DN21 ranks among 2,813 postcode districts

Most collisions
443rd
Most casualties
324th
Most fatal collisions
36th
Most serious collisions
231st

Collisions by day of the week

  • Monday796 (15%)
  • Tuesday741 (14%)
  • Wednesday783 (14%)
  • Thursday811 (15%)
  • Friday887 (16%)
  • Saturday734 (13%)
  • Sunday687 (13%)

Light conditions

  • Daylight4,045 (74%)
  • Dark, no street lighting719 (13%)
  • Dark, street lights lit588 (11%)
  • Dark, lighting unknown58 (1.1%)
  • Dark, street lights unlit20 (0.4%)
  • Not recorded9 (0.2%)

Type of road

  • Single carriageway5,056 (93%)
  • Dual carriageway202 (3.7%)
  • One way street or slip road80 (1.5%)
  • Roundabout48 (0.9%)
  • Not recorded53 (1%)

Speed limit at the scene

  • 15 mph1 (under 0.1%)
  • 20 mph6 (0.1%)
  • 30 mph2,391 (44%)
  • 40 mph191 (3.5%)
  • 50 mph55 (1%)
  • 60 mph2,618 (48%)
  • 70 mph171 (3.1%)
  • Not recorded6 (0.1%)

Weather at the time

  • Fine, no high winds4,228 (78%)
  • Raining, no high winds631 (12%)
  • Fine with high winds139 (2.6%)
  • Fog or mist90 (1.7%)
  • Raining with high winds70 (1.3%)
  • Snowing, no high winds44 (0.8%)
  • Snowing with high winds8 (0.1%)
  • Other151 (2.8%)
  • Not recorded78 (1.4%)

Who was hurt

  • Car occupant5,144 (65%)
  • Motorcyclist987 (12%)
  • Pedestrian697 (8.8%)
  • Cyclist518 (6.6%)
  • Van occupant232 (2.9%)
  • Goods vehicle occupant (over 3.5 tonnes)147 (1.9%)
  • Other vehicle occupant50 (0.6%)
  • Minibus occupant45 (0.6%)
  • Bus or coach occupant44 (0.6%)
  • Taxi or private hire car occupant24 (0.3%)
  • Other14 (0.2%)

Source: Department for Transport, STATS19 road safety data

DN21 road accidents by year

Collisions and casualties in DN21, 1979 to 2025

Collisions in DN21 peaked at 175 in 1988; 2025 had 76.

  • Collisions
  • Collisions in 2025: 76
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20257697
20246684
202365100
20224658
20215880
20206374
201994140
2018107149
201792146
201690133
2015106158
201486118
201398116
201296135
2011111172
2010128176
2009116170
2008129189
2007108167
2006128207
2005134211
2004127177
2003118183
2002129205
2001113164
2000129182
1999138206
1998148227
1997124195
1996112169
1995128196
1994112162
1993143204
1992137206
1991116173
1990162243
1989152222
1988175273
1987136197
1986114152
1985136186
1984147199
1983123164
1982123163
1981126196
1980141196
1979133182

Map of recent crashes in DN21

Map of the 24 most recent crashes in DN21

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in DN21

The 24 most recent collisions in DN21 happened between 6 September and 18 December 2025.

Severity

Crashes by road in DN21

The A159 has the most collisions in DN21, 834 of 5,439 (15%), followed by the A631 (786).

Collisions in DN21 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA1598341,16621148
2ndA6317861,41239194
3rdA15652572216106
4thB139846670820133
5thA153486232287
6thB1205159250541
7thB1400107157225
8thB1433106140411
9thB124189123424
10thB12065884218
11thA1500121401
12thA15891101
13thA171213
14thA1634601

Council areas covering DN21

Collisions in DN21 were recorded in 6 council areas. West Lindsey has 4,634 of 5,439 (85%).

Collisions in DN21 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stWest Lindsey4,6346,640149944
2ndNorth Lincolnshire64998819167
3rdBassetlaw135247549
4thEast Riding of Yorkshire91102
5thLincoln61010
6thSouth Kesteven3300

Towns in DN21

Collisions in DN21 were recorded in 3 towns, led by Gainsborough (1,834) and Kirton in Lindsey (147).