This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A moving walkway; a slow conveyor belt that transports people horizontally or on an incline in a similar manner to an escalator.

"The river can be fast, so a few strokes every so often are enough for you to be carried along on this liquid travelator."

escalator