Escalators: A Convenient and Efficient Mode of Transportation With the hustle and bustle of our busy lives, time is of the essence. It is no wonder that we are constantly searching for ways to save time and make our daily tasks more efficient. One such invention that has revolutionized the way we commute and navigate through crowded spaces is the escalator. An escalator is a type of vertical transportation that consists of moving stairs or steps that transport people between different levels of a building.