Southwest Rail Extension

Extending into Highlands Ranch

The Southwest Rail Line opened in July 2000 as an 8.7 mile extension of rail from I-25 & Broadway to Mineral Avenue. It is proposed to add an additional 2.5 miles of rail and one new Park-n-Ride to extend service into Highlands Ranch.

Related Stations

Littleton / Mineral Station3203 W Mineral Ave
Bus Connections
Rail Connections
Bike Lockers
Bike Racks
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Environmental planning and basic engineering began


Environmental Evaluation (EE) conducted, including analysis of alternative alignment and station locations, potential impacts, and recommendations to minimize and mitigate impacts


Final EE issued; 30 percent of basic engineering completed

2013 - Present

RTD continues to work with stakeholders to secure funding and determine how to complete the extension


  1. Southwest-Corridor_EE
  2. SW_Fact_Sheet_2016_FINAL