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CPUC & FRA approve University of Colorado A Line Flagger Removal

The Regional Transportation District (RTD) has obtained approval from the Colorado Public Utilities Commission (CPUC) and Federal Railroad Administration (FRA) for the removal of the crossing attendants, or flaggers, from six of the 11 at-grade crossings along the University of Colorado A Line, which travels between Denver Union Station and Denver International Airport. The approved at-grade crossings are at Havana, Chambers, Clayton, Dahlia, Holly and Steele streets.

Denver Transit Partners (DTP), which operates the rail line under contract to RTD, will begin removing the flaggers in a phased approach beginning at 6 p.m. Friday, June 22, 2018 from four crossings (Clayton, Steele, Holly and Dahlia) and at 6 p.m. Monday, June 25, 2018 from two crossings (Havana and Chambers). RTD is working with the CPUC and FRA on the final approvals and the flagger-removal process for the five remaining at-grade crossings. These approvals are also an important step forward in the process to establish quiet zones along the University of Colorado A Line.


RTD urges all pedestrians, bicyclists and motorists to please continue to be aware of and obey all signs and safety alert devices at all at-grade crossings. Warning devices such as gates, flashers and signage are in place for the protection of the traveling public, and it is dangerous and illegal to disobey or disregard the warning devices at any railroad crossing. Please look both ways before crossing, and expect a train to arrive on any track from any direction at any time.