COMBINED UNDERGROUND AND OVER-GROUND VEHICLE FOR PUBLIC TRANSPORT AND FOR HORIZONTAL AND STEEP METROPOLITAN TERRAIN

摘要

An underground, on-ground or over-ground public transportation vehicle that: can move in the same configuration along a straight or almost straight line route, as said route would be seen from above, on a terrain with constantly changing slope, such as containing horizontal terrain sections frequently interchanging with semi-horizontal sections, or steep-sloped sections, ev