Trains traveling within a Quiet Zone are prohibited from sounding their horns at crossings, with limited exceptions. Exceptions include: when the train engineer determines there is imminent danger on or near the tracks, or railroad switching operations are underway. The vast majority of trains traveling through the Quiet Zones will not sound their horns.

Below are current crossings listed from south to north, in the Quiet Zone as of May 1, 2017:

• Mill Street SE
• State Street
• Court Street NE
• Chemeketa Street NE
• Center Street NE
• Marion Street NE
• D Street NE
• Market Street NE
• Madison Street NE
• Sunnyview Road NE
• Woodrow Street NE
• Silverton Road NE

Quiet Zone crossing gates, warning lights, and bells will still operate as usual. it is important to exercise caution when approaching or crossing railroad tracks.