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This website contains updated information only for those corridors actively in construction, the Southeast Rail Extension and North Metro Rail. All other content on this website is meant for historical purposes only and may not be up-to-date. Please visit RTD-Denver.com for the latest information about RTD.

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I-225 Rail Line Timeline

  • Spring 2012: Construction begins on first segment, from Nine Mile to Iliff

  • March 2012: RTD receives an unsolicited proposal from Kiewit Infrastructure Co. to build full line

  • April 2012: RTD Board of Directors authorizes staff to proceed with competitive bidding process

  • July 2012: Staff recommends the Kiewit Infrastructure Co. proposal; RTD Board of Directors votes to move forward with Kiewit contract

  • March 2013: RTD & Kiewit break ground for the full I-225 Rail Line

  • Spring 2013: Construction begins on full line

  • Spring 2014: I-225 highway widening is complete from Parker Road to Mississippi Avenue

  • 2016: Full line to open for service*

*Initially the Nine Mile to Iliff segment was set to open in 2014 but has since been adjusted to coincide with the completion of the full I-225 Rail Line from Nine Mile to Peoria/Smith in 2016

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