2020 crashes in Christchurch
1,870 crashes police-reported, 620 hurt somebody, 10 people were killed and 110 people were seriously hurt. Down 9% on 2019 for injury crashes.
By severity
Severity is the worst injury in the crash; the bars count crashes, the tiles count people. The 1,250 damage-only reports sit under the trend, they rise and fall with how willing people are to fill in a form.
Where they happened
Read from each crash’s coordinates, the outline its point falls inside.
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: Harewood Road & Johns Road, 10 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
Crashes in which that kind of road user appears, one crash can carry several.
The conditions
92% urban. 15% on a state highway. 1,862 named a corner or a second road. 82 fell on a holiday, Christmas / New Year 35, Queen's Birthday 22, Labour Weekend 18, Easter 7. The street lights were on for 526, off for 1,046 and absent for 144.
Speed zones
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
What the reports say was struck, a crash can hit several things and most hit nothing at all.
The weather it happened in
A second condition rode some of them, strong wind on 28, frost on 28.
How the crossing was controlled
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
The way the road ran: 1,610 on a two-way road, 251 on a one-way street, 7 on off the road. 95 were on a hill road. 9 left the sealed road. The uncommon spots: 25 on a bridge, 16 a motorway ramp, 12 an overpass, 10 a speed hump, 6 a rail crossing. Roadworks marked 6, a temporary speed limit 36, an advisory speed 44.
The vehicles on the day
A crash can carry several, the bikes, motorbikes and trucks are counted with the road users above.
The way they were travelling
The direction CAS recorded for the unit that started the crash: where the report gives one.
The people who died, 10
Every fatal crash in the record in 2020, the roads it named:
- Collins Street at Jerrold Street North
- Hoon Hay Road at Rose Street
- Russley Road at Memorial Avenue On Ramp, 2 people
- Russley Road at Memorial Avenue Off Ramp
- Blenheim Road at Foster Street
- Christchurch Akaroa Road at Robinsons Bay Valley Road
- North Parade at Randall Street
- Christchurch Akaroa Road at McQueens Spur Road
- Bevington Street at Nortons Road
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/2020.md.
Questions, answered briefly
1,870 police-reported crashes, 620 hurt somebody, 10 people killed and 110 people were seriously hurt, 598 minor injuries. The police crash record counts crashes where someone was hurt or a report was filed, most minor bumps never reach it.
Harewood Road and Johns Road, 10 crashes that year.
Christchurch Central, 162 crashes, read from each crash’s coordinates against the suburb outlines.
15% were on a state highway. 82 fell on a holiday (Christmas / New Year 35, Queen's Birthday 22, Labour Weekend 18, Easter 7).