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CrashStats

NN1 road accidents: crash map and statistics

Police recorded 7,201 road traffic collisions in the NN1 postcode district, West Northamptonshire, from 1979 to 2025, and 8,865 people were killed or injured in them. Of those collisions, 68 were fatal and 1,317 were serious.

In 2025 police recorded 106 collisions, down 13% on 2024 (122).

Collisions since 1979
7,201
168th highest of 2,813 postcode districts
Casualties
8,865
1.23 per collision
Fatal collisions
68
68 people killed
Serious collisions
1,317
1,434 seriously injured
Collisions in 2025
106
Down 13% on 2024
Casualties in 2025
136
Down 12% on 2024

Road collision statistics for NN1

Collisions by severity, 1979 to 2025

  • Fatal680.9%
  • Serious1,31718%
  • Slight5,81681%

What the data shows

  • NN1 had 1,044 collisions from 2016 to 2025, 5% fewer than the 1,104 from 2006 to 2015.
  • 19% of collisions in NN1 were fatal or serious, against 20% across Great Britain.
  • 806 children under 16 were killed or injured in NN1, 9.1% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 31% of collisions in NN1.

Where NN1 ranks among 2,813 postcode districts

Most collisions
168th
Most casualties
221st
Most fatal collisions
734th
Most serious collisions
151st

Collisions by day of the week

  • Monday975 (14%)
  • Tuesday999 (14%)
  • Wednesday1,019 (14%)
  • Thursday1,009 (14%)
  • Friday1,260 (17%)
  • Saturday1,192 (17%)
  • Sunday747 (10%)

Light conditions

  • Daylight4,728 (66%)
  • Dark, street lights lit2,153 (30%)
  • Dark, lighting unknown266 (3.7%)
  • Dark, street lights unlit29 (0.4%)
  • Dark, no street lighting25 (0.3%)

Type of road

  • Single carriageway4,700 (65%)
  • Dual carriageway1,429 (20%)
  • One way street or slip road748 (10%)
  • Roundabout281 (3.9%)
  • Not recorded43 (0.6%)

Speed limit at the scene

  • 10 mph2 (under 0.1%)
  • 15 mph1 (under 0.1%)
  • 20 mph120 (1.7%)
  • 30 mph6,865 (95%)
  • 40 mph152 (2.1%)
  • 50 mph2 (under 0.1%)
  • 60 mph27 (0.4%)
  • 70 mph31 (0.4%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds5,817 (81%)
  • Raining, no high winds961 (13%)
  • Fine with high winds69 (1%)
  • Raining with high winds42 (0.6%)
  • Fog or mist38 (0.5%)
  • Snowing, no high winds37 (0.5%)
  • Snowing with high winds3 (under 0.1%)
  • Other125 (1.7%)
  • Not recorded109 (1.5%)

Who was hurt

  • Car occupant4,041 (46%)
  • Pedestrian2,242 (25%)
  • Motorcyclist1,046 (12%)
  • Cyclist853 (9.6%)
  • Bus or coach occupant283 (3.2%)
  • Taxi or private hire car occupant160 (1.8%)
  • Van occupant142 (1.6%)
  • Minibus occupant22 (0.2%)
  • Other vehicle occupant17 (0.2%)
  • Goods vehicle occupant (over 3.5 tonnes)11 (0.1%)
  • Other4 (under 0.1%)
  • Not recorded44 (0.5%)

Source: Department for Transport, STATS19 road safety data

NN1 road accidents by year

Collisions and casualties in NN1, 1979 to 2025

Collisions in NN1 peaked at 232 in 1981; 2025 had 106.

  • Collisions
  • Collisions in 2025: 106
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025106136
2024122155
202398112
2022116128
202195114
20207485
201999120
2018107134
2017102118
2016125150
2015113139
2014105116
20138696
2012100112
2011107126
201090110
2009109129
2008122161
2007123158
2006149184
200595117
2004138169
2003138169
2002145181
2001151186
2000154197
1999185245
1998204254
1997176237
1996126168
1995174216
1994200251
1993194244
1992198248
1991209264
1990224290
1989222289
1988211278
1987205249
1986190227
1985214256
1984215262
1983219271
1982210247
1981232272
1980209235
1979215260

Map of recent crashes in NN1

Map of the 24 most recent crashes in NN1

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in NN1

The 24 most recent collisions in NN1 happened between 26 September and 26 December 2025.

Severity

Crashes by road in NN1

The A4500 has the most collisions in NN1, 1,376 of 7,201 (19%), followed by the A428 (978).

Collisions in NN1 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA45001,3761,69713281
2ndA4289781,2497158
3rdA5088691,1259166
4thA51237759646147
5thA45320368879
6thA5095301357867
7thA4501111143011
8thA43106125227
9thA50807199010
10thA504964111
11thB5346455209
12thA51016701
13thA43454510

Council area for NN1

NN1 is in West Northamptonshire, where police recorded 53,355 collisions from 1979 to 2025. NN1 accounts for 13% of them.

Town in NN1

Of the 7,201 collisions in NN1, 6,836 (95%) were in Northampton.