Picture Pittsburgh 50 years from now with these transportation changes: a terminal in a central location to handle a hyperloop system, vehicles for vertical takeoffs and landings, and high-speed trains; aerial trams linking neighborhoods; and new bridges crossing the Monongahela River at Hazelwood for motorized vehicles and at the former Wabash rail bridge piers for bikes and pedestrians. Those might sound like something from a science fiction novel, but they are among the ideas the city says it must consider in a 50-year Mobility Vision Plan released Thursday by Mayor Bill Peduto and Karina Ricks, director of the city’s Department...