That's a great question that gets into the practical details of urban design! While round trash cans are classic, rectangular ones offer some compelling benefits for modern city management.
First, rectangular bins are space-efficient. They fit snugly against walls, buildings, or in corners without the wasted gap that a round can creates. This is a major advantage on crowded sidewalks or in narrow alleyways where every inch counts.
Second, they often have a larger capacity. The rectangular shape allows for more internal volume compared to a round can with a similar footprint, meaning they need to be emptied less frequently, reducing operational costs.
Third, they offer better integration. Their flat sides are ideal for attaching clear recycling instructions, public service messages, or even decorative panels that blend with the streetscape. This improves waste sorting and enhances the visual environment.
Finally, from a collection standpoint, rectangular containers are easier to handle mechanically with modern garbage trucks equipped with automated lifters, streamlining the collection process.
So, while the round bin is iconic, the rectangular trash can is a pragmatic choice for efficient, space-conscious, and cleaner urban waste management.