"On most city-to-city trips under 300 miles, the curbside bus offers tickets that cost a tenth of those of Amtrak and far less even than the price of the gas to get there by car."
Passengers book online, tickets are delivered to cell phones, busses are equipped with WiFi and power outlets at each seat.
Article points out the advantages of busses over high-speed rail, which has tended to get more press as being the future of mid-haul intercity travel. Building rail lines requires years of time and bureaucratic approval, and you better hope you were right about the demand for the route. Busses can go wherever needed on existing roads and reconfigure routes easily.