The governing body may grade, partially or to an established grade, change grade, curb, recurb, gutter, regutter, pave, gravel, regravel, macadamize, remacadamize, widen, or narrow streets or roadways, resurface or re-lay existing pavement, or otherwise improve any streets, alleys, public grounds, public ways, entirely or partially, and streets which divide the municipal corporate limits and the area adjoining the municipality; construct or reconstruct pedestrian walks, plazas, malls, landscaping, outdoor sprinkler systems, fountains, decorative water ponds, lighting systems, and permanent facilities; and construct sidewalks and improve the sidewalk space. These projects may be funded at public cost or by the levy of special assessments on the property especially benefitted in proportion to such benefits, except as provided in sections 19-2428 through 19-2431 RS Neb. The governing body may by ordinance create improvement districts, to be consecutively numbered, which may include two or more connecting or intersecting streets, alleys, or public ways, and may include two or more types of the improvements authorized under this section in a single district in one proceeding. All of the improvements which are to be funded by a levy of special assessment on the property especially benefitted shall be ordered as provided in sections 17-510 to 17-512 RS Neb., except as otherwise provided in section 17-509 RS Neb. (Ref. 17-509 RS Neb.) (Ord. No. 217, 4/1/80) (Amended by Ord. No. 990, 8/7/18)