Section 3. the City Planning Commission May Make or Cause to Be Made,

and lay before councils, and at its discretion cause to be published, maps of the city or any portion thereof, including territory extending three miles beyond the city limits, showing the streets, and highways and other natural and artificial features, and also locations proposed by it for any new public buildings, civic centre, street, parkway, park, playground, or any other public ground or public improvement, or any widening, extension, or relocation of the same, or any change in the city plan by it deemed advisable; and it may make recommendations to councils, from time to time, concerning any such matters and things aforesaid, for action by councils thereto; and, in so doing, have regard for the present conditions and future needs and growth of the city, and the distribution and relative location of all the principal and other streets and railways, waterways, and all other means of public travel and business communications, as well as the distribution and relative location of all public buildings, public grounds, and open spaces devoted to public use.