There are many ways in which the sidewalk or path may be obstructed —by poles, signs, cars, shrubbery, items left on the sidewalk, etc. These are typical urban examples; this sort of "street furniture" should be placed off to the side and out of the walkway:
In suburban residential or rural areas, common obstructions include utility
poles, overgrown vegetation, and vehicles blocking the sidewalk.
(For other examples, see