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Testing Revving Up on FasTracks


The Regional Transportation District’s North Metro Rail Line from Denver Union Station to the Eastlake • 124th Station continues to make steady progress toward completion in 2020. 

Construction, systems and signal work is taking place along the line. Crews have begun testing trains on the system during the week, and occasionally on Saturdays, between 7 a.m. and 7 p.m. In the coming weeks, testing will expand to include additional trains traveling in both directions at speeds up to 79 mph, so please be extra cautious near at-grade crossings.

As part of the testing process, crossing attendants will be standing by all at-grade crossings (Steele St., Thornton Pkwy., 100th, 112th, and 124th) as the train passes across the intersection. Train horns are required to sound at these at-grade intersections during testing of the N Line. 

Until quiet zones are established, the use of train horns and other safety measures are important to make drivers and pedestrians aware of the presence of trains. Should you encounter any issues such as crossing arms remaining down for an extended period of time, please call RTD's Construction Information Line at 720.456.5279.

Safety remains RTD's top priority at all times. RTD and RRP would like to remind the public that prior to opening for revenue service, the entire project is an active construction zone. Please abide by all safety signage and do not attempt to view testing by accessing construction areas at stations and various locations along the tracks.

Rail Line Safety Tips
  • Do not try to touch or throw objects at the overhead power lines or climb on the power poles – the wires are up, and live with 25,000 volts of electricity!
  • Never trespass on any train track – it is illegal and dangerous.
  • Cross the tracks only at designated crossings – always follow safety signage and obey warning devices like flashing red lights and gate arms
  • Stay alert and look both ways for trains – you may not hear them coming.
  • Stay off station platforms until the line is open to the public.