We've got an update for you on this popular story from last month. ABC15's Nicole Grigg says the city of Phoenix may soon receive a quiet zone designation again for an area downtown where residents are constantly hearing train horns blaring. #trains #train #quietzone #cityofPhoenix #Phoenix #trainhorns #trainsounds #downtownPhoenix #update #Arizona #ABC15 #ABC15Investigators #ABC15Investigations __________________   ABC15 Arizona in Phoenix is your source for local breaking news, in-depth investigations, the latest weather and traffic, and continuous live video.   Subscribe to the ABC15 YouTube channel: bit.ly/3zqfyF0   Watch 24/7 ABC15 live coverage here: abc15.com/live   Download the ABC15 app: abc15.com/apps   Watch more ABC15 on YouTube: Latest ABC15 investigations: bit.ly/3NjEEed Uplifting Arizona-Good news in Arizona: bit.ly/3U8RqhM Your Voice Your Vote-Full Arizona election coverage: bit.ly/3sLsktC