The council shall refer any offer by the state of Arizona for the conversion, exchange, turn-back, conveyance, gift or any other form of transfer of a state route located in the city limits to the city for use or designation as a city street to the qualified electors of the city at a special or general election for approval and acceptance of such offer. Approval and acceptance of any such offer by the city shall require approval by a majority of the qualified electors voting on such referendum. [Approved by voters at November 8, 2011 election. Code 2006 § 2-1-10].