Granite City, IL Noise Levels
Is Granite City, IL noisy?
Granite City, IL reads 52.5 dB(A) on BTS's 24-hour average, inside HUD's "Acceptable" noise zone, 65 dB(A) day-night average or below under 24 CFR 51.104, the federal government's own line for building housing with no extra sound attenuation required. Rail traffic drives that number here, not the other two sources. That figure is sampled at one coordinate, the Census Bureau's own internal point for Granite City, not a street-by-street survey of the whole place.
Granite City's noise, by source
Each of the three transportation modes gets its own model from BTS; the combined figure above is what they add up to.
What this means for a house here
The same window and door upgrades that work on road noise also cut broadband rail noise, though very low-frequency freight rumble travels through walls, not just glass.
Where Granite City ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, Granite City ranks 918, loudest first. About 26,854 people live there, making it the 1,488th largest place in this dataset.
Your street may differ from Granite City's reading
This page describes Granite City as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Granite City's reading
The methodology guide shows exactly how Granite City's reading was built from BTS's tile data. Since rail traffic is what's driving this reading, the guide to what actually cuts each kind of noise covers the fix that fits.