chch.live a year of crashes, counted

2023 crashes in Christchurch

2,047 crashes police-reported, 685 hurt somebody, 9 people were killed and 151 people were seriously hurt. No change from 2022 for injury crashes.

Crashes on record
2,047
Hurt somebody
685
People killed
9
Seriously hurt
151
Minor injuries
685

By severity

fatal 8
serious 132
minor 545
damage only 1,362

Severity is the worst injury in the crash; the bars count crashes, the tiles count people. The 1,362 damage-only reports sit under the trend, they rise and fall with how willing people are to fill in a form.

The roads it named most

Counting every crash that named the road, a link is the map filtered to it. The corner the year kept returning to: Blenheim Road & Curletts Road, 17 crashes that year.

The corners it kept returning to

The two roads a crash named together, ranked, each opens its own pairing page.

Who was involved

people on bicycles 137
motorcycles & mopeds 127
people walking 113
trucks 82
buses 26

Crashes in which that kind of road user appears, one crash can carry several.

The conditions

Bright sun 687
Dark 626
Overcast 616
Twilight 89

93% urban. 16% on a state highway. 2,033 named a corner or a second road. 99 fell on a holiday, Christmas / New Year 47, Easter 20, Queen's Birthday 19, Labour Weekend 13. The street lights were on for 644, off for 1,220 and absent for 152.

Speed zones

0 km/h 10
5 km/h 1
10 km/h 6
20 km/h 2
30 km/h 74
40 km/h 35
50 km/h 1,447 5 killed
60 km/h 299 1 killed
70 km/h 32
80 km/h 83 1 killed
100 km/h 58 2 killed

Posted speed limit where the crash was recorded, the same bars the whole-record page draws. Faster zones kill more often per crash.

What they hit

a parked vehicle 268
a fence 162
a post or pole 106
a tree 91
a traffic sign 79
a traffic island 59
a guard rail 57
a kerb 44

What the reports say was struck, a crash can hit several things and most hit nothing at all.

The weather it happened in

fine 1,711
light rain 247
heavy rain 58
mist or fog 21
hail or sleet 3
snow 1

A second condition rode some of them, strong wind on 40, frost on 18.

How the crossing was controlled

no marked control 1,083
traffic signals 476
a give way 367
a stop sign 114
not recorded 4
pedestrian signals 3

The control CAS recorded at the spot, a crash pinned to a corner still counts the crossing’s control, not which rule was broken.

The road itself

2 lanes 1,548
4 lanes 193
3 lanes 166
1 lane 76
6 lanes 31
5 lanes 10
7 lanes 3

The way the road ran: 1,620 on a two-way road, 413 on a one-way street, 14 on off the road. 105 were on a hill road. 18 left the sealed road. The uncommon spots: 22 a motorway ramp, 20 on a bridge, 16 an overpass, 11 a speed hump, 5 an underpass. Roadworks marked 5, a temporary speed limit 28, an advisory speed 100.

The vehicles on the day

cars & station wagons 1,791
vans & utes 308
SUVs 219
unrecorded vehicles 54
taxis 24
other vehicles 15
trains 1
school buses 1

A crash can carry several, the bikes, motorbikes and trucks are counted with the road users above.

The way they were travelling

heading south 283
heading north 262
heading east 211
heading west 185

The direction CAS recorded for the unit that started the crash: where the report gives one.

The people who died, 9

Every fatal crash in the record in 2023, the roads it named:

Other years

The record behind this

Every figure comes from NZTA’s Crash Analysis System, the national record of crashes a police officer wrote up, filtered to Christchurch City. Damage-only and minor crashes are underreported everywhere; the killed and seriously-hurt numbers are the ones that hold.

The map, the repeat corners and the whole-record charts are at /crashes. This page as markdown: /crashes/2023.md.

Questions, answered briefly

How many crashes were there in Christchurch in 2023?

2,047 police-reported crashes, 685 hurt somebody, 9 people killed and 151 people were seriously hurt, 685 minor injuries. The police crash record counts crashes where someone was hurt or a report was filed, most minor bumps never reach it.

What was the worst corner in Christchurch in 2023?

Blenheim Road and Curletts Road, 17 crashes that year.

Which suburb had the most crashes in 2023?

Christchurch Central, 208 crashes, read from each crash’s coordinates against the suburb outlines.

Where and when did 2023’s crashes cluster?

16% were on a state highway. 99 fell on a holiday (Christmas / New Year 47, Easter 20, Queen's Birthday 19, Labour Weekend 13).