No trees, shrubs, bushes, or other parts thereof which are dead, decayed, diseased, or dying upon a street, public right-of-way, parking, or public property of the City and which constitute a hazard to the health, safety, or well-being of any person shall be allowed to remain in such condition. No trees, shrubs, or bushes shall be maintained in such a manner as to interfere with the moving of traffic upon the streets in a safe and orderly manner.