Berwyn, IL Noise Levels
Noise levels in Berwyn, IL
At 57.5 dB(A), Berwyn, IL falls 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. The main source is road traffic, well ahead of the other two modes BTS tracks. Berwyn's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Berwyn's noise comes from
BTS models these three sources separately before combining them, so a place can be quiet on two and loud on the third.
If you're weighing a move to Berwyn
Upgraded windows, door seals and STC-rated glazing meaningfully cut broadband, near-continuous road noise.
How Berwyn compares nationally
Berwyn ranks 363 of 3,622 measured places nationally, 1 being the loudest this dataset covers. About 55,152 people live there, making it the 747th largest place in this dataset.
Checking one address in Berwyn
Berwyn's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Berwyn's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. The guide to what actually cuts each kind of noise explains why road traffic calls for a different fix than the other two sources.