Uploaded April 2026 | Updated September 2026, 2 hours ago
On Wednesday, RTD celebrated a major milestone, marking a decade of the A Line, the region’s “Train to the Plane,” connecting Denver Union Station to Denver International Airport.
With more than 59.4 million boardings since 2016, the A Line has become RTD’s most utilized rail service, helping customers skip traffic and connect to destinations across the metro area and beyond. Leaders from across the region joined the celebration, including Debra A. Johnson, Patrick O’Keefe, Mike Coffman, and Nate Morgan.
On Wednesday, RTD celebrated a major milestone, marking a decade of the A Line, the region’s “Train to the Plane,” connecting Denver Union Station to Denver International Airport.
With more than 59.4 million boardings since 2016, the A Line has become RTD’s most utilized rail service, helping customers skip traffic and connect to destinations across the metro area and beyond. Leaders from across the region joined the celebration, including Debra A. Johnson, Patrick O’Keefe, Mike Coffman, and Nate Morgan.










