Rasterplänen

Rasterplänen, also known as grid plans or orthogonal plans, are a method of urban planning characterized by a street layout that is organized into a grid of intersecting streets. This system typically features streets that run at right angles to each other, forming rectangular blocks of buildings. The origins of rasterplänen can be traced back to ancient civilizations, with examples found in Mesopotamian cities and Roman settlements.

The systematic implementation of grid plans became more widespread during the Renaissance and has been a dominant form of urban design in many Western cities since. Cities like New York, Chicago, and Barcelona are prominent examples of urban areas largely designed using a rasterplänen. This planning approach offers several advantages, including ease of navigation and division of land into uniform parcels, which can facilitate development and property ownership.

However, rasterplänen also have drawbacks. The repetitive nature of the street pattern can lead to monotony and a lack of visual interest. The strictly orthogonal layout can also create less efficient traffic flow in some instances, with all turns being sharp 90-degree angles. Furthermore, in dense urban environments, the large blocks can sometimes limit pedestrian permeability and create barriers within the city fabric. Despite these criticisms, the rasterplänen remains a foundational concept in urban planning and is evident in the structure of countless cities worldwide.