COMMENT:

The debate around a proposal to set a 30km/h speed limit in Auckland city centre is heated and polarising but the evidence is more complex and nuanced than either side claims.

Importantly, travel in the city centre is already much slower than the proposed speed limit – so, in practice, there will be only minor change. My research of the international evidence suggests speed is a low cost, effective and easy way to calm traffic.

The debate often pitches car users against others. But if we are fair, we should consider everyone who uses the road. In the city

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