In America, decisions about how to expand transit are often plagued by the same tension: The highest ridership potential is in walkable neighborhoods in the city, where more people and jobs are clustered closer together. But regional politics often lead agencies to build transit in suburban areas where ridership will be more sparse. Right now a classic confrontation of this type is playing out in Dallas.
Motorists with smart phones use their devices in 88 out of every 100 trips, according to data collected by Zendrive, a company that assesses driving behavior using the sensors in smart phones. Extrapolating to the entire population, Zendrive estimates there are about 600 million trips involving distracted driving in the U.S. each day.
There are no functional, real-world examples of a Hyperloop, Tesla founder Elon Musk's long-distance transport concept that involves shooting people through vacuum-sealed tubes in pods that travel at up to 760 mph. And yet a surprising number of government agencies are treating the Hyperloop as a serious proposition.