No person shall obstruct the free and lawful passage of pedestrians and vehicles on the streets and sidewalks of the Township by placing thereon any kind of vehicles, boxes, lumber, timber, wood, goods, wares, merchandise or any other article of trade or sale, with the following exceptions:

Obstructions caused by the loading or unloading of goods, wares or merchandise to and from vehicles in such a manner as to cause a minimum of obstruction which is necessary or unavoidable.

Receptacles for garbage, ashes or refuse lawfully placed on or in sidewalk areas for collection.