Hyperloop is a new means of ground transport. It is under development in many times at present. Passengers could travel at speed of 700 miles per hour in floating pod. This would be like low-pressure tubes above or below the ground.
In the articles "Predicting the Future” ans “Could the Futuristic Traveling Tube Become a Reality?”, Gary Golden is a futurist and spends most of his time learning relationship between cars, trains and subways. He thinks that hyperloop is the future of transportation. with improved efficiency there would be less traffic jams. According to him people will walk more or use public taxis, subways and buses.
Means a range that is always present, for example 'there are students who are learning algebra, then advancing to geometry, trigonometry, and calculus.'
