Hartselle, AL Noise Levels
Is Hartselle, AL noisy?
Hartselle, AL 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. Treat this as Hartselle's one representative point, not a promise about every block in it, BTS's map wasn't built to resolve individual streets.
Hartselle'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.
Where Hartselle ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, Hartselle ranks 2,185, loudest first. By population, it ranks 2,279 of the 12,137 places in this dataset, home to about 16,201 people.
Your street may differ from Hartselle's reading
This page describes Hartselle as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Hartselle's reading
The methodology guide shows exactly how Hartselle's reading was built from BTS's tile data. Hartselle isn't the only surprise: the guide to why big cities show up quiet covers why this happens.