Commuter Rail

Denver International Airport (DEN) now has a direct rail connection from downtown to the airport. The University of Colorado A Line, operated by the Regional Transportation District (RTD) and Denver Transit Partners (DTP) is changing how people experience and access the Mile High City. The rail line offers convenient access to reliable transportation that provides direct access to airline check-in, baggage check and security screening at the airport.

About the University of Colorado A Line

  • Distance: 23 miles of track from DEN to downtown’s Denver Union Station
  • Travel time: 37 minutes from DEN to Denver Union Station
  • Frequency: Trains run every 15 minutes during peak travel times, and every 30 minutes from 3-5 a.m. and 6:30 p.m. to 1 a.m.
  • Maximum speed: 79 mph
  • Dimensions: 85 feet long
  • Passenger capacity: Two married cars making up each train will provide room for 182 seated passengers and 158 standing
  • Fare: The airport fare is $9 per day from any of the stations along the A Line and includes unlimited rides on the A Line during a single business day
  • Ridership: Estimated 18,600 passenger trips per day
  • Cost of Eagle P3: $2.3 billion capital project comprised of federal funds, RTD sales tax bonds and private equity from the concessionaire team, Denver Transit Partners – the University of Colorado A Line is estimated at $1.2 billion
  • Read the entire fact sheet here

About the Stations

  • There are a total of eight stations along the A Line:
    • Denver International Airport, 61st and Peña Boulevard, 40th Avenue and Airport Boulevard, Peoria, Central Park, 40th and Colorado Boulevard, 38th and Blake Street, Denver Union Station
  • DEN owns and operates an 800-space parking lot located at the 61st and Peña Boulevard station, which is located on airport property – the cost to park there is $2 per day or $4 for overnight parking (the lot will initially be free to use through mid-May)
  • RTD operates more than 3,500 other parking spaces among the other stations (except Denver Union Station) – RTD parking rates are $2 per day for vehicles registered within the RTD service area, or $4 per day for all other vehicles

About Denver Airport Station

  • The Denver Airport Station is the eastern end-of-line station providing direct, convenient access from the airport to downtown Denver
  • The airport station is located at the base of the airport’s hotel and transit center, directly underneath the new Westin Denver International Airport hotel and conference center
  • Passengers stepping off the train need walk only a short distance to an escalator, elevator or stairs that leads directly to the south entrance of the Jeppesen Terminal and the security checkpoints -  no other airport in the United States can offer this incredibly short distance from the train to the plane
  • Tickets for the A Line may be purchased at the ticket vending machines located on the train platform using cash or credit cards
  • Passengers may also drop off their luggage at the convenient bag drop location on level 1 of the transit center. The bag drop service is currently supported by United Airlines, Delta Airlines, American Airlines and Southwest Airlines, with other carriers coming soon.
  • Passengers are also able to print boarding passes for participating airlines – which includes United, Southwest, British Airways, Lufthansa and Icelandair – at one of six self-serve boarding pass kiosks.

Other Ground Transportation Options

  • All RTD buses will now pick up and drop off passengers on level 1 of the transit center – connecting routes include the AA, AB, AT, 145X and 169L routes
  • Ride-sharing services, such as Uber and Lyft, will be able to pick up passengers at the Westin Denver International Airport porte cochère, located on the west side of level 1

Visit the RTD website to learn more