Central City, IA Noise Levels
Is Central City, IA noisy?
Central City, IA reads 47.5 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 Central City, not a street-by-street survey of the whole place.
Central 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 Central City ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, Central City ranks 3,257, loudest first. About 1,254 people live there, making it the 9,421th largest place in this dataset.
Your street may differ from Central City's reading
This page describes Central City as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Central City's reading
The methodology guide shows exactly how Central 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.