That's a very specific and practical question! Yes, you can absolutely find urban trash cans that have sand urns or ash receptacles built into the top. These are designed primarily for the safe disposal of cigarette butts and other smoking materials. The sand helps to extinguish the embers completely, reducing fire risk and keeping the surrounding area cleaner.
You'll often see these combined units in public spaces like parks, outside office buildings, transit stations, and near building entrances where smoking is designated. They solve two problems at once: general litter collection and safe ash disposal. The design typically features a sturdy, vandal-resistant trash bin with a distinct, often cylindrical or rounded, sand-filled section on top or to the side. This separate compartment is clearly marked for cigarette waste.
When searching for them, try terms like "smoking waste receptacles," "ash urn trash cans," or "combined litter and ash bins." Many manufacturers of street furniture offer these as a standard product line. They are a thoughtful addition to any urban landscape, promoting tidiness and public safety.