That's a very common and frustrating issue many cities and property managers face. The good news is that yes, several innovative urban trash can designs specifically target this exact problem. The main goal of these designs is to make it easier for people to dispose of their waste correctly, even when the bin is full.
One effective design is the "top-heavy" or larger opening bin. These feature a wide, funnel-like opening that makes it almost impossible to miss, even from a slight distance. This is great for casual tossers. Another popular solution is the built-in ashtray or cigarette butt disposal unit on the side. This prevents smokers from placing hot cigarette butts on the rim where they often fall off, or from simply tossing them on the ground near the base.
For areas with high foot traffic, bins with a "mail-slot" opening for flat items like coffee cups and food wrappers can be very effective. They guide the waste in and prevent it from being perched precariously on top. Furthermore, some modern "smart" bins have sensors that compact the trash internally, creating more space and preventing overflow, which is a primary cause of surrounding litter.
Ultimately, the best design often combines a user-friendly opening with sufficient capacity and regular maintenance. Look for bins that are intuitive—people should understand how to use them at a glance without reading instructions. A well-designed bin acts as a silent guide, encouraging proper disposal and keeping your public spaces clean.