Yes—but usually in a modest, conditional way. Cigarette butts are one of the most common pieces of litter in cities because smokers often finish a cigarette while walking, waiting at a bus stop, or standing outside a building. If there is no easy place to put the butt, flicking it onto the pavement feels low-effort. A trash can with an ashtray on top works by making the right behavior convenient at the exact moment someone needs it. That small design cue can matter.
Studies and city pilot programs generally point in the same direction: ashtray bins can reduce cigarette butt litter, especially when they are placed where smokers naturally pause—building entrances, transit stops, benches, crosswalks, and outdoor seating areas. The ashtray opening also separates cigarette waste from ordinary trash, which can reduce the risk of smoldering fires and makes the bin look purpose-built for smokers.
But the effect is not automatic. A bin that is full, dirty, hard to reach, or emptied irregularly can actually encourage littering because people won’t use something unpleasant or overflowing. Placement matters just as much as design. If the bin is ten steps away or tucked behind a corner, many people won’t bother. Clear signage and simple social cues—like “Cigarette butts here” or a visible ashtray opening—also help.
So, do urban trash cans with ashtrays on top actually reduce littering? Yes, but they are not a magic fix. They work best as part of a broader approach: convenient placement, frequent emptying, weather-resistant design, public messaging, and consistent enforcement where needed. In short, they make proper disposal easier, and easier usually means cleaner streets.