Ten years ago today, after years of planning and $1.2 billion, the A Line opened its sliding doors and whisked passengers out to the airport.
Looking back, that day — April 22, 2016 — summed up an era.
Colorado’s population was growing at one of its fastest paces ever. The state added more than 83,000 people; 2015 and 2016 were the most explosive years of a decade of growth…