Grids are not made for cars. Grids are made for the legibility of a centralized administration and ease of property subdivision. They are common features of Rom

Grids are not made for cars. Grids are made for the legibility of a centralized administration and ease of property subdivision. They are common features of Roman and Greek colonial cities as well as Chinese cities unto time immemorial (in all cases, only in locations where topography allowed): https://en.wikipedia.org/wiki/Grid_plan#Ancient_grid_plans https://en.wikipedia.org/wiki/Grid_plan#Ancient_grid_plans https://en.wikipedia.org/wiki/Ancient_Chinese_urban_planning https://en.wikipedia.org/wiki/Ancient_Chinese_urban_planning