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Update: Quiet Zones Along Union PacificĀ 

The United Pacific Rail Road (UPRR) quiet zones are in effect. Construction and mandatory testing were completed and the signals were found to be working properly. The Notice of Establishment was approved by the UPRR in spring 2018. 


In February 2017, the Arvada City Council authorized a $1.8 million agreement between the City and Union Pacific Railroad (UP), bringing the construction of Quiet Zones at four at-grade crossings (Lamar Street, Carr Street, Olde Wadsworth Boulevard, and W. 66th Avenue) one step closer.

In conjunction with UP, the City had been working on constructing these Quiet Zones since 2011 while residents in the vicinity anxiously awaited their completion. Union Pacific scheduled the installation of the necessary equipment at the crossings. The City hired a contractor to install new traffic signals and complete roadway improvements.

Quiet Zone Exceptions

  • UPRR personnel will sound horns if there are animals,people, contractors near the tracks even in quiet zones.
  • Due to the amount of wildlife present at night in some UPRR areas, horns are sometimes sounded at night even in quiet zones.

Quiet Zones at G Line Crossings

Quiet Zones at all at-grade crossings at the G Line Commuter Rail project have been established. For G Line updates, visit