Want to know more?
The Federal Railroad Administration controls when and where trains blow their whistles, though they can't control "the music" engineers add! And it also has created a provision for quiet zones. There's a fact sheet with the details.
Florida East Coast Railroad conducted tests on the loudness of its horns after public complaints. Here's its report.
Broward Metropolitan Planning Organization's quiet zone FAQ.
Tampa's plan for quiet zones.
Polk County's Transportation Planning Organization's study of quiet zones.