The driver, 35-year-old Kevin Flemming and his passenger, 31-year-old Amber Blake, both from Des Moines, were thrown from the motorcycle. Neither were wearing helmets, authorities said.
The Bustang service that takes fans directly to Empower Field at Mile High, known as Bustang to Broncos, is beginning another season of service as the NFL preseason begins.
States Work to Fill Gaps with Branded, Subsidized Intercity Bus Services enotrans.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from enotrans.org Daily Mail and Mail on Sunday newspapers.
31 public transit agencies, including the Regional Transportation District (RTD), are waiving fares for the entire month of August as part of a statewide initiative to reduce ground level ozone.