A claim safety outside Auckland schools will be a postcode lottery under an Auckland Transport plan.

The AT school speed limits proposal is open for consultation until next Monday.

Auckland University Population Professor Alistair Woodward says the plan leaves some areas worse off - with fewer speed limits.

He rates Kaipatiki, Howick and Orakei the most dangerous areas, and Waiheke, Manurewa and Mangere-Otahuhu the three safest.

Woodward says people should submit feedback if they want it changed.

"Read to find out what is being proposed for their schools, to submit to Auckland Transport."

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