What aspect of architecture is the Hippodamian plan known for?

The Hippodamian plan is renowned for its orthogonal street patterns. This urban design, named after the ancient Greek architect Hippodamus of Miletus, emphasizes a grid layout that organizes city blocks in a systematic and orderly manner. The orthogonality allows for easy navigation and efficient land use, as streets intersect at right angles, creating a clear and predictable layout. This form of urban planning not only facilitates movement within the city but also represents the rational and democratic ideals of ancient Greek society, reflecting a sense of order and functionality.

Other architectural approaches, such as curvilinear layouts, focus on organic forms and curves, which differ significantly from the rigid structure of the Hippodamian grid. Vertical structures pertain more to the height and design of buildings rather than the organization of space within a city. Similarly, complex structures refer to intricate architectural designs that may involve multiple levels or unique geometries, which are not the primary focus of the Hippodamian plan's straightforward and methodical layout. Thus, the emphasis on orthogonal street patterns distinctly identifies the Hippodamian plan, highlighting its impact on urban design throughout history.