For state law as to authority of city relative to streets and sidewalks generally, see Gov. C., § 40401. As to city streets generally, see Sts. & H. C., § 1800 et seq. As to director of public works, see §§ 2-22 to 2-24 of this Code. As to street superintendent, see §§ 2-25, 2-26. As to animals and fowl generally, see ch. 4. As to bicycle regulations, see ch. 6. As to special gas tax street improvement fund, see § 11-1. As to traffic regulations generally see ch. 18. As to abandoned, wrecked, etc., vehicles, see §§ 18-13 to 18-24. As to curfew for minors, see §§ 19-1 to 19-3. As to prohibition against depositing rubbish, etc., on streets, see § 26-5. As to prohibition against obstructing sidewalks with rubbish, etc., see § 26-5. As to responsibility of owners of property abutting streets as to weeds, see § 26-24. As to design standards for streets and highways in subdivisions, see § 31-26. As to street and highway improvements in subdivisions, see § 31-38. As to sidewalk improvements in subdivisions, see § 31-41. As to street trees, see ch. 32.