Vandalia, IL Noise Levels
Vandalia, IL: what the federal noise map shows
Vandalia, IL is one of the places where the federal model has nothing to report above its 45 dB(A) floor, on any of the three sources.
Vandalia's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Vandalia ranks
Vandalia, IL sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. About 7,358 people live there, making it the 3,926th largest place in this dataset.
Your street may differ from Vandalia's reading
For a single house or lot in Vandalia rather than the town-wide figure above, BTS's own map is the same free source, queried directly.
More on how this number was built
For exactly which federal dataset feeds Vandalia's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Vandalia.