Trams with regular tires work just as well as trams on tracks, and can follow electrical wires above ground. Many electric city buses and trams operate this way

Trams with regular tires work just as well as trams on tracks, and can follow electrical wires above ground. Many electric city buses and trams operate this way. There are quite a few methods that could be employed to guide vehicles, from overhead lines, to hip-level rails, to infrared, electrical and magnetic buried lines, and so on. The reason we don't implement them is the public doesn't want to invest in public transit because they prefer driving their inefficient dangerous polluting cars.