expression, noun
moving walkway; moving sidewalk; travelator
Refers to the flat conveyor belt for pedestrians, commonly found in airports and large stations.
空港の動く歩道でスーツケースを引いて歩いた。
I walked pulling my suitcase on the moving walkway at the airport.
エスカレーター is a staircase-like moving escalator, while 動く歩道 is a flat conveyor belt.
Compound of 動く (moving) and 歩道 (walkway/pedestrian path).