That's an excellent and very practical question! Yes, many modern outdoor trash bins, especially the larger curbside models provided by waste management companies or available for purchase, do come equipped with wheels. This design feature is specifically intended to make movement significantly easier for both sanitation workers and homeowners.
The most common style is the wheeled cart, typically featuring two large, sturdy wheels on one end and a handle or lift bar on the other. This allows workers to tilt the bin and roll it effortlessly to the truck for automated dumping, rather than having to lift and carry a heavy, awkward container. This design reduces physical strain and injury risk for the collection crews and speeds up the service.
For personal use in your backyard or driveway, bins with wheels (often two or four) allow you to move them easily when full, even over uneven surfaces. When selecting a bin, look for robust, all-terrain wheels that can handle the weight and your property's terrain. So, to answer directly: wheels are a standard and highly beneficial feature designed with both sanitation worker efficiency and user convenience in mind.