Greenwich, NY Noise Levels
Is Greenwich, NY noisy?
Greenwich, NY 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 Greenwich's one representative point, not a promise about every block in it, BTS's map wasn't built to resolve individual streets.
Greenwich'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 Greenwich ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, Greenwich ranks 3,117, loudest first. About 1,669 people live there, making it the 8,349th largest place in this dataset.
Your street may differ from Greenwich's reading
This page describes Greenwich as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Greenwich's reading
The methodology guide shows exactly how Greenwich's reading was built from BTS's tile data. Greenwich isn't the only surprise: the guide to why big cities show up quiet covers why this happens.