chch.live a year of crashes, counted

2010 crashes in Christchurch

2,220 crashes police-reported, 862 hurt somebody, 19 people were killed and 228 people were seriously hurt. Down 6% on 2009 for injury crashes.

Crashes on record
2,220
Hurt somebody
862
People killed
19
Seriously hurt
228
Minor injuries
828

By severity

fatal 15
serious 209
minor 638
damage only 1,358

Severity is the worst injury in the crash; the bars count crashes, the tiles count people. The 1,358 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: Marshland Road & State Highway 74, 16 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 164
motorcycles & mopeds 128
trucks 123
people walking 118
buses 48

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

The conditions

Bright sun 874
Dark 645
Overcast 626
Twilight 75

90% urban. 15% on a state highway. 2,220 named a corner or a second road. 108 fell on a holiday, Christmas / New Year 37, Easter 25, Labour Weekend 24, Queen's Birthday 22. The street lights were on for 634, off for 44 and absent for 43.

Speed zones

10 km/h 1
30 km/h 10
40 km/h 1
50 km/h 1,721 14 killed
60 km/h 191 3 killed
70 km/h 80
80 km/h 129 1 killed
100 km/h 87 1 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 213
a fence 135
a post or pole 129
a kerb 64
a tree 56
a traffic sign 45
a house or building 31
a traffic island 28

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

The weather it happened in

fine 1,839
light rain 286
heavy rain 64
mist or fog 31

A second condition rode some of them, frost on 12, strong wind on 8.

How the crossing was controlled

not recorded 787
traffic signals 535
a give way 439
no marked control 320
a stop sign 135
a school patrol 4

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 1,518
4 lanes 313
3 lanes 149
6 lanes 130
1 lane 60
5 lanes 39
7 lanes 1

The way the road ran: 2,080 on a two-way road, 129 on a one-way street, 11 on off the road. 75 were on a hill road. 8 left the sealed road. The uncommon spots: 19 on a bridge, 8 a motorway ramp, 6 a rail crossing. Roadworks marked 0, a temporary speed limit 9, an advisory speed 16.

The vehicles on the day

cars & station wagons 1,980
SUVs 300
vans & utes 238
taxis 28
school buses 1
trains 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 268
heading east 264
heading north 260
heading west 234

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

The people who died, 19

Every fatal crash in the record in 2010, 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/2010.md.

Questions, answered briefly

How many crashes were there in Christchurch in 2010?

2,220 police-reported crashes, 862 hurt somebody, 19 people killed and 228 people were seriously hurt, 828 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 2010?

Marshland Road and State Highway 74, 16 crashes that year.

Which suburb had the most crashes in 2010?

Christchurch Central, 347 crashes, read from each crash’s coordinates against the suburb outlines.

Where and when did 2010’s crashes cluster?

15% were on a state highway. 108 fell on a holiday (Christmas / New Year 37, Easter 25, Labour Weekend 24, Queen's Birthday 22).