Answer: escalators

AnswerCrossword Clue
ESCALATORSOne-way flights?
ESCALATORSThey take shoppers to new levels
ESCALATORSThey take people to new levels
ESCALATORSStairways of a sort.
ESCALATORSSubway transport.
ESCALATORSShoppers' transit
ESCALATORSSome clauses
ESCALATORSThey may lead to another story
ESCALATORSNonstop flights?
escalatorsESCALATOR, a moving stair
escalatorsA moving staircase consisting of an endlessly circulating belt of steps driven by a motor, conveying people between the floors of a public building