That's an excellent and practical question! For most modern urban trash cans designed for public spaces, yes, the inner buckets are typically removable to facilitate easy cleaning. This is actually a standard feature in quality stainless steel or heavy-duty plastic models you see in cities today.
The removable inner liner serves multiple purposes. Primarily, it allows maintenance staff to efficiently empty and sanitize the container. Instead of trying to scrub the entire fixed unit, they can simply lift out the bucket, empty it into a larger collection vehicle, and then wash it separately with water and disinfectant. This design is crucial for maintaining hygiene and preventing odors and pest attraction.
The mechanism varies. Some buckets have handles, others use a simple lift-out design. High-end models might even feature a track or roller system for smoother removal, especially for larger capacities. It's always a good idea to check the manufacturer's specifications for a particular model, but removability is a key selling point for municipal and commercial purchases.
This design consideration highlights how urban planning focuses on both durability and practical maintenance. So, whether it's a park, sidewalk, or transit station bin, that inner bucket is likely designed to come out, making the crucial job of keeping our cities clean much more manageable.