Answer: skyway

AnswerCrossword Clue
SKYWAYJet's milieu.
SKYWAYAir route.
SKYWAYHigh road
SKYWAYBridge between buildings
SKYWAYElevated highway
SKYWAYAir lane
SKYWAYPassage that connects stories
skywayan elevated highway
skywayroute regularly used by airplanes; airway
skywayelevated highway, esp. one well above ground level and composed of a series of spans