The resolution of intention shall be published in successive issues five times in a daily newspaper, or two times in a weekly or semiweekly newspaper, published and of general circulation in the municipality. The superintendent of streets shall also cause to be conspicuously posted along the line of the proposed improvement, at not more than three hundred feet apart, notices of the passage of the resolution. The notice shall be headed "Notice of proposed improvement" in letters at least one inch in height, and shall state the fact of the passage of the resolution of intention, and briefly describe the improvement proposed.