The discussion surrounding manhole cover shapes also highlights the intersection of engineering and design. While circular covers dominate in practicality, some urban areas have experimented with alternative shapes to maximize space or enhance aesthetic appeal. For example, square or rectangular designs can be more space-efficient in certain contexts, fitting neatly into the grid-like patterns of city streets. However, engineers must carefully evaluate the implications of these designs for safety and functionality.

Safety is at the core of The Bollard Company's mission. They understand the potential dangers posed by traffic in urban areas, and their bollards are designed to mitigate these risks. The company offers crash-rated bollards that can withstand significant impacts, protecting both pedestrians and property. Such features make their products ideal for use in high-traffic areas, outdoor events, and places where security is a primary concern.