Connecting Denver to the World
The 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, R, 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.
How much does it cost?
Travel on the A Line will require Local ($3.00), Regional ($5.25), or Airport fare ($10.50) depending on your destination. Discount fares apply for those who are eligible. Service on the A Line is the same cost as a comparable trip on RTD’s bus services. To learn more about RTD’s fares, visit our fare page. Select a starting and ending station below to calculate your fare:
Buy Tickets and Day Passes
You can buy 3-Hour Passes and Day Passes using cash, credit or debit at the ticket vending machines located at any RTD rail station, or on the RTD Mobile Tickets app. The Regional/Airport Day Pass is the same price as an Airport 3-Hour Pass and grants unlimited travel on any RTD service for the remainder of the service day. Regional/Airport Day Pass ticket books may be purchased at any RTD Sales Outlet.
Learn more about ticket vending machines
Take unlimited rides all month on the A Line with RTD's Monthly Pass. Travel to the Airport is included in the Regional/Airport Monthly Pass. Monthly Passes may be purchased at any RTD sales outlet, online, on the RTD Mobile Tickets app, or at participating King Soopers and Safeway stores.
EcoPass and CollegePass
Service on the A Line is included with all EcoPass, CollegePass, and Neighborhood EcoPass cards, including service to Denver Airport Station at no additional charge.
Rail Fare Zone Fare Map
The RTD rail system is divided into four fare zones: A, B, C, and Airport. Rail fares are based on how many fare zones you travel in during your 3-hour trip. Travel in one or two zones is a Local fare, travel in three zones is a Regional fare, and any trip originating or ending in the Airport zone is an Airport fare.
The 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.
Making Connections at Union Station
With service from Denver International Airport into the heart of Downtown Denver at Union Station, the A Line is opening up connections all across the Denver-metro area. Union Station is a multi-modal transit hub offering light rail, commuter rail, Greyhound, and Amtrak, as well as local and regional bus routes serving destinations across the region.
Parking your car:
Parking at Park-n-Rides along the A Line is fee-based parking. Learn how to park at RTD facilities.
Parking at 61st & Peña: This parking facility is not owned or operated by RTD. This is a private parking lot managed by Denver International Airport. Parking fees are $2 every 12 hours or a 30-day pass for $36 (no discounts or free parking). Must pre-pay at the lot with credit/debit cards only. For more information visit flydenver.com
Parking fees at RTD Park-n-Rides depends on if your car is registered within the RTD service area. Check out how to park.
If your vehicle is registered within the RTD service area, parking at RTD Park-n-Rides is free for the first 24 hours. After 24 hours, a $2.00 daily fee applies. You must pay before getting on the train.
If your vehicle is registered out of district, a $4.00 daily fee applies. You must pay before getting on the train.
Safety Tip: Don't advertise your absence. Take your parking receipt with you and do not leave it on your dash.
Vehicles may not be parked continuously for longer than 30 consecutive days. Vehicles parked greater than 30 consecutive days without being moved may be subject to ticketing and towing at the owners expense.
How to pay for parking:
Look for the blue canopy and kiosk. You can pay in cash (exact change) or credit card.
Pay by phone
Call 1-877-727-5951 (paying by phone will incur a nominal fee).
You must pay onsite, prior to leaving your vehicle. Non-payment of applicable parking fees will result in a fine. Take your paid parking ticket with you – be safe and don’t leave it on your dash.