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Speed Camera Tolerance in New Zealand: What You Need to Know in 2026

3 min readBy NZ Speed Camera Map
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One of the most common questions drivers ask is: how much over the speed limit can you go before a camera catches you? Here's what you need to know about speed camera tolerances in New Zealand.

What Is a Speed Camera Tolerance?

A speed camera tolerance is the margin above the posted speed limit that a camera allows before it triggers an infringement. This margin exists to account for minor speedometer inaccuracies and small, unintentional speed variations. It does not mean you are legally allowed to exceed the speed limit -- the posted limit is the maximum.

Fixed Speed Camera Tolerance

Waka Kotahi NZTA does not publicly disclose the exact tolerance thresholds applied to fixed speed cameras. Historically, the enforcement margin has been wider than many drivers assume, but relying on any tolerance is a risk. The threshold can change at any time without notice, and different camera types may apply different margins.

What is publicly known is that the lowest infringement band starts at just 1 km/h over the limit, carrying a $30 fine. This means there is no legal buffer -- any speed above the limit can result in an infringement.

Average Speed Camera Tolerances

The rollout of average speed cameras across New Zealand is bringing stricter enforcement. Because these cameras calculate your average speed over several kilometres, brief speed fluctuations are smoothed out. If your average speed over the entire corridor exceeds the limit, that reflects sustained speeding rather than a momentary lapse.

NZTA has not publicly disclosed the specific tolerance applied to average speed cameras. However, it is understood to be tighter than what many drivers have come to expect from traditional fixed cameras. The safest approach is to maintain a speed at or below the posted limit throughout any camera corridor.

Why Are Tolerances Getting Stricter?

Two main factors are driving tighter enforcement:

  1. Better technology: Modern camera systems are more precise than older equipment, reducing the need for generous error margins.
  2. Distance-based measurement: Average speed cameras measure over several kilometres, so brief speed variations are smoothed out and the recorded speed more accurately reflects your sustained driving behaviour.

What This Means for You

The safest and simplest approach is to drive at or below the posted speed limit. Do not rely on a tolerance margin -- it exists for measurement accuracy, not as a licence to speed.

If you are caught exceeding the limit, even by a small amount, you may receive an infringement notice. Check our guide to speed camera fines for the full breakdown of penalties.

To see where cameras are located, including the new average speed camera corridors being rolled out in 2026, use our interactive camera map or read our guide to the 2026 camera rollout.


This content has been fact-checked against official sources but may contain inaccuracies. This is general information only and does not constitute legal advice.