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University of Colorado A Line

Current construction list and detour maps

The University of Colorado A Line is a 22.8-mile commuter rail transit corridor that will operate between Denver Union Station and Denver International Airport. The rail line will connect these two important areas while serving adjacent employment centers, neighborhoods and developmentareas in Denver and Aurora. The East Rail Line is being constructed as part of RTD's fully funded Eagle P3 Project.

Testing of the University of Colorado A Line Underway

Full testing of the CU A Line is underway. Please be alert for possible delays at crossings along the line. Additionally, construction continues on the A Line so be aware of changing conditions, lane restrictions or road closures.

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University of Colorado A Line Map

RTD's new A Line trains will operate on the East Rail Line.

East Rail Line map June 2015
Click here for a larger version of the map

CU A Line Key Links

See the A Line fact sheet

Catch up on what's new with the A Line

View an interactive map of the A Line and its stations

Take a virtual tour of the A Line

Read the current monthly University of Colorado A Line construction newsletter

Read the current Eagle P3 Project quarterly newsletter

How to do business with the East Rail Line

Contact us for more information

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