Ray Hadley has called out the exorbitant price of new mobile speed camera warning signs.

There are warnings Transport for NSW will have to buy new signs or new vehicles because the old signs no longer fit in 47 of the vehicles.

There are reports the new signs will cost $18,000 each.

“Get a second quote, boys,” Ray said.

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Listener Peter did a google search for similar signs and found road signs can be purchased for a lot less.