A Line (RTD)
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The A Line is a Regional Transportation District commuter rail line that serves stations in Denver and Aurora, Colorado. The A Line opened on April 22, 2016, is owned by RTD, and is operated by Denver
A Line train at the Denver Airport station
Denver International Airport
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Denver International Airport, often referred to by locals as DIA, is an international airport in the Western United States, primarily serving metropolitan Denver, Colorado, as well as the greater Fron
A Line (RTD)
…Transit Partners. During planning and construction, it was also known as the East Line. The line received its letter designation to denote service to Denver International Airport and Aurora. It is colored light blue on system maps. The A Line's western terminus is at Union Station in downtown Denver, and its eastern terminus is…
Aerial view in 2023
View of Denver Airport (back) and Westin Hotel (front) in April 2016.
Aerial view in 2002 when runway 16R/34L was under construction
Aerial view of Jeppesen Terminal in 2025