Auckland Transport has spent more than $63 million dollars on traffic management and road cones in the past year.

Mayor Wayne Brown is criticising the figure - saying it equates to about 3 percent rates rises across the city.

But AT says it isn't too much considering its over $1.2-billion infrastructure programme.

Road Corridor Access and Coordination Group Manager Tracey Berkahn says new Government guidance may lower costs.

"Now there's a lot more thought put into a principles-based approach to it. And so, necessarily, you'll have fewer devices out there."

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