Cardo
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A cardo was a north–south street in Ancient Roman cities and military camps as an integral component of city planning. The cardo maximus, or most often the cardo, was the main or central north–south-oriented street.
Roman cardo in Jerash, Jordan
Cardo maximus of Apamea, Syria
Hohe strasse, in Cologne, Germany, was the cardo maximus of the city in Roman times. (Pictured 1895)
Remnants of the cardo of the Old City of Jerusalem
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