(A) The Planning Commission, with the assistance of the City Engineer, may, an upon instruction by the City Council shall, prepare an official map of the platted and unplatted portions of the city and adjoining territory, or portions thereof, indicating upon the map the proposed future extension or widening of streets and alleys.
(B) After the map has been prepared and a hearing on it has been held as provided in § 31.078, and been adopted by the Commission, it shall be submitted to the Council, which shall thereupon consider the map and may adopt it or any part of it with the amendments as it deems advisable. Before the adoption by the Council, a public hearing shall be held upon the proposal after ten days published notice. Whenever any existing street, highway or alley widened or improved, or any new street is opened, or lands for other public purposes are acquired by action of the city, and after the map has been adopted by the Council and filed with the Register of Deeds, it shall not be required in the proceedings to pay for any building or structure placed after the filing of the map and without a permit or in violation of conditions of a permit, within the limits of a mapped street, or outside of any building line that may have been established upon the existing street, or within any area thus reserved for public purposes.
(Ord. 279, passed 10-12-2010)