The escalator in dreams represents the changing features of your thinking. If the escalator is moving up, then such dream foretells about your ability to show off and acknowledge different situations in your life. If the escalator is going down, then it means you are unable to cope with troubles, instead you leave it, hoping that everything will solve by itself. The dream could also show that you are taking the step back.
Read more about dreaming of Escalator in other dream meanings interpretations.