Line Extension
Southeast Rail Line Extension - Now Open!

The Southeast Rail Line opened in 2006 as a 19-mile extension of rail from I-25 & Broadway, with 15 miles along I-25 to Lincoln and an additional 4 miles along I-225 to Parker Road. This extension adds an additional 2.3 miles of rail and three new stations bringing revenue service south into Lone Tree.


New Rail in New Neighborhoods

The Southeast Rail Extension brings light rail into Lone Tree, with three new stations and an additional 1,300 parking spaces. Project design and construction began in 2016, and the line opened for service on May 17, 2019.


  • Lincoln Station


    • Address: 10203 Station Way, Lone Tree
    • Location: south of I-25 and 470
    • Parking spaces: 1,734
    • Bike racks: 8
    • Bike lockers 16
    • Rail lines: E, F, R
  • Proposed future Sky Ridge Station location

    Sky Ridge

    • Address: 9941 Trainstation Circle, Lone Tree
    • Location: I-25 and Lincoln Avenue
    • Parking spaces: 0
    • Bike racks: 10
    • Bike lockers 0
    • Rail lines: E, F, R
  • Proposed future Lone Tree City Center Station location

    Lone Tree City Center

    • Address: 11023 RidgeGate Parkway, Lone Tree
    • Parking spaces: 0
    • Bike racks: 0
    • Bike lockers 0
    • Rail lines: E, F, R
  • Proposed future RidgeGate Parkway Station location

    RidgeGate Parkway Station

    • Address: 10791 S. Havana Street, Lone Tree
    • Parking spaces: 1,300
    • Bike racks: 8
    • Bike lockers 0
    • Rail lines: E, F, R
    • Please note: Parking fees will go into effect on October 21, 2019.


Parking your car:

  • Parking at the RidgeGate Parkway Park-n-Ride will be fee-based parking effective October 21, 2019. Learn how to park at RTD facilities.

  • 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:

Pay onsite

Pay for parking onsite

Look for the blue canopy and kiosk. You can pay in cash (exact change) or credit card.

Pay by phone

Use your phone to pay for parking

Call 1-877-727-5951 (paying by phone will incur a nominal fee)

Pay online

Park mobile  - Parking made simple

www.parkmobile.com or download the Parkmobile app

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.

Learn more about parking at RTD stations



Final Environmental Evaluation, initiated in 2008, and 30% basic engineering completed
Project team began an Environmental Assessment (EA) to pursue federal funding
Work on advanced basic engineering and coordination of the project scope with stakeholders. Small Starts application process proceeds through the grant development and engineering phases.
The FTA signed the Finding of No Significant Impact, which concludes the EA undertaken to fulfill the requirements of the National Environmental Policy Act, a requirement for eligibility for federal funding
Project becomes part of President Obama's 2016 budget. RTD Board of Directors approves a $140 million two-phased contract award to Balfour Beatty Infrastructure Inc. (BBII) to design and build the Southeast Rail Extension.
Budget and funding grant signed, with Notice to Proceed 2 (NTP2). Construction begins on May 16, 2016.
Project reached 50 percent completion milestone in May 2017. By end of 2017, all Right of Way was acquired, the three bridges for the project were nearly complete, platforms had been poured at all three stations, all three Traction Power Substations were installed and substantial progress was made on the RidgeGate parking structure.
Existing light rail service was successfully tied together with the 2.3-mile extension of the E, F and R lines south of Lincoln Station in March 2018. Project entered “integrated testing” phase in November 2018 to examine all components of the rail system and correct any issues. Project reached substantial completion of construction, including bridges, stations, track and utilities, in December 2018. By end of 2018, lines were energized and test trains began running to verify the line is safe and working properly.
Integrated testing of trains and signal systems continued into 2019. Next, the pre-revenue testing phase began, which simulates passenger service. The E, F, and R Line Extension opened for service on May 17, 2019.