Janesville, WI Noise Levels
Janesville, WI: what the federal noise map shows
At Janesville, WI, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. That figure is sampled at one coordinate, the Census Bureau's own internal point for Janesville, not a street-by-street survey of the whole place.
Where Janesville ranks
Janesville, WI sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. Population is about 66,428, 594th largest of the 12,137 places covered here.
Your street may differ from Janesville's reading
For a single house or lot in Janesville 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 Janesville's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Janesville.