Happy Valley, OR Noise Levels
Is Happy Valley, OR noisy?
Happy Valley, OR reads 57.5 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. Road traffic drives that number here, not the other two sources. Treat this as Happy Valley's one representative point, not a promise about every block in it, BTS's map wasn't built to resolve individual streets.
Happy Valley'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
Upgraded windows, door seals and STC-rated glazing meaningfully cut broadband, near-continuous road noise.
Where Happy Valley ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, Happy Valley ranks 390, loudest first. By population, it ranks 1,388 of the 12,137 places in this dataset, home to about 28,969 people.
Your street may differ from Happy Valley's reading
This page describes Happy Valley as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Happy Valley's reading
The methodology guide shows exactly how Happy Valley's reading was built from BTS's tile data. Since road traffic is what's driving this reading, the guide to what actually cuts each kind of noise covers the fix that fits.