Most speed limits around the country are considered too high and some face cuts within the next three years as the Government aims to crack down on the rising road toll.

The NZ Transport Agency (NZTA) estimates about 87 per cent of speed limits are too high for the conditions.

The most dangerous roads - 10 per cent of the state highway and local roading network - may see speed limits reduced over the next three years, as the NZTA looks to reduce the greatest number of road deaths and serious injuries as quickly as possible.

Its Mega Maps online

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Road deaths since 2000

Serious injuries in road crashes since 2000

100km/h speed limit

50km/h speed limit

Explore the interactive map

Mega Maps data

'We need to hit speed hard'

Reducing speed one part of the equation

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