That's an excellent and practical question about urban infrastructure! The answer isn't a simple yes or no, as it depends entirely on the specific design and location of the bin.
In many modern cities, you'll find a mix of both types. A significant number of public litter bins, especially those on main sidewalks and in commercial areas, are indeed designed to be movable. They are often not bolted down but are instead heavy-duty, weighted containers that can be lifted or tilted by cleaning crews or specialized vehicles for emptying. Some even have built-in wheels or low-profile bases that allow them to be shifted slightly for thorough sweeping underneath. This design is crucial for efficient street cleaning, allowing workers to access every corner of the pavement.
However, permanently installed bins are also common. You'll frequently see these fixed with heavy metal bases or bolts in parks, at transit stops, or in high-traffic zones where they might otherwise be stolen or vandalized. For these, cleaning crews typically empty them using hatches or openings without moving the entire unit, and cleaning around them requires manual work.
So, in summary: while many bins are *not* permanently fixed to allow for maintenance and cleaning, a substantial portion are installed permanently for security and stability. The trend in urban planning is increasingly toward movable or semi-movable designs to facilitate faster and more effective street cleaning operations.