Answer: escalator

AnswerCrossword Clue
ESCALATOR

Indoor transport

ESCALATOR

One-way flight?

ESCALATOR

Contract provision

ESCALATOR
Kind of clause
ESCALATOR
Department store people mover
ESCALATORMall feature
ESCALATORWay up or down
ESCALATORMoving staircase
ESCALATORClause in labor-management contracts.
ESCALATORDesignating a clause in present-day contracts.
ESCALATORDepartment store installation.
ESCALATORType of stairway.
ESCALATORDepartment store appurtenance.
ESCALATORMoving stairs
ESCALATORReversible machine
ESCALATORLazy person's stairs?
ESCALATOR"Getting fairgoers moving on the right track" (Paris, 1900)
ESCALATORIt'll give you a lift
ESCALATORWay up
ESCALATORDepartment store sight
ESCALATORNonstop flight?