Subways are expensive and complicated in some terrains, but woks pretty good I think, don't you?
PS: Hiperloop also seems a good solution for long travels.
PS: Each solution is better for a specific problem. Automated cars seems promise to small and medium cities.
Subways are expensive and complicated in some terrains, but woks pretty good I think, don't you?
PS: Hiperloop also seems a good solution for long travels. PS: Each solution is better for a specific problem. Automated cars seems promise to small and medium cities.