Centuriation
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Centuriation, also known as Roman grid, was a method of land measurement used by the Romans. In many cases land divisions based on the survey formed a field system, often referred to in modern times by the same name. According to O. A. W. Dilke, centuriation combined and developed features of land surveying present in Egypt, Etruria, Greek towns and Greek countryside.
Example of road system in a PLSS area; Nebraska – US grid system
Road between Spirano and Stezzano, Province of Bergamo, Italy, following line of Roman centuriation
Cadastre of Arausio (Orange)
Grid plan
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In urban planning, the grid plan, grid street plan, or gridiron plan is a type of city plan in which streets run at right angles to each other, forming a grid.
A simple grid plan from 1908 of Palaio Faliro.
A grid plan from 1799 of Pori, Finland, by Isaac Tillberg.
The grid plan of Miletus in the Classical period
Bastide schema in Gascony