The Director of Transportation is authorized and empowered to remove or cause to be removed any obstruction to passage through a street, lane, or alley. City Code, 1879, art. 47, §119 1893, art. 48, §139 1927, art. 32, §53 1950, art. 24, §97 1966, art. 19, §136 1976/83, art. 19, §161 Ord. 77-573 Ord. 91-651