encyclopedia

AERIAL CONFIGURATION

An assembly of construction components elevated above the adjacent natural ground level, usually supported by columns.

AERIAL STRUCTURE

Any system structure or configuration, other than a culvert, which carries tracks and spans above an earth or water surface.

AERIAL TRAMWAY

In passenger transportation, a mode consisting of cabins suspended from a stationary cable and towed by a moving, usually closed-loop cable; used to overcome steep gradients, deep valleys, or bodies of water. (TRB)