Lafayette, CA Noise Levels
Is Lafayette, CA noisy?
Lafayette, CA 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. This describes Lafayette as a whole, not a specific block, the underlying BTS map resolves to about 38 meters per pixel, sampled at the town's own center point.
Lafayette'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 Lafayette ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, Lafayette ranks 2,060, loudest first. About 25,371 people live there, making it the 1,582th largest place in this dataset.
Your street may differ from Lafayette's reading
This page describes Lafayette as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Lafayette's reading
The methodology guide shows exactly how Lafayette's reading was built from BTS's tile data. Lafayette isn't the only surprise: the guide to why big cities show up quiet covers why this happens.