The Train to the plane Now Open

University of Colorado A Line

Connecting Denver to the World

The University of Colorado A Line is 23 miles of rail that is making local and international travel easier than ever. The new line, which opened on April 22, 2016, provides easy, affordable and reliable connections between downtown Denver, Denver International Airport, and the many communities along I-70. With connections at Union Station to the C, E and W light rail lines, the B Line commuter rail line to Westminster and local and regional buses, your public transportation options now have an international connection.

Why is it called the University of Colorado A Line?

Why is it called the University of Colorado A Line?

RTD is working to establish a long term corporate partnership program to expand revenue opportunities to support a variety of services and programs. The University of Colorado A Line is the first partnership agreement of its kind for RTD and we are excited to implement our first partnership agreement on the line to the airport.

Get more information on our corporate partner program

Fares

How much does it cost?

Travel on the University of Colorado A Line will be local ($2.60), regional ($4.50) or airport fare ($9.00) depending on your destination. Discount fares apply for those who are eligible. Airport fare is included in EcoPass and CollegePass. Select a starting and ending station below to calculate your fare:

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Learn more about fares

Stations and Parking

The University of Colorado A Line has 8 stations total, including Union Station and the Denver Airport Station. Six of these stations will provide 4,329 additional parking spaces. Parking fees may apply.

RTD University of Colorado A Line route map
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