Columbus Junction, IA Noise Levels
Is Columbus Junction, IA noisy?
Columbus Junction, IA's 60-69.9 dB(A) band spans one of HUD's zone boundaries, so the honest answer is a range: somewhere between "Acceptable" (65 dB(A) or below) and "Normally Unacceptable" (65-75 dB(A)), not one clean verdict. Road traffic drives that number here, not the other two sources.
Columbus Junction's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Columbus Junction'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
Depending on where in that band the true value sits, it may also clear FHWA's 66 dB(A) residential impact threshold (23 CFR 772, Table 1), the trigger highway agencies use for sound-wall decisions. Upgraded windows, door seals and STC-rated glazing meaningfully cut broadband, near-continuous road noise.
Where Columbus Junction ranks
Among the 3,622 US places in this dataset with any measurable transportation noise, Columbus Junction ranks 245, loudest first. About 1,794 people live there, making it the 8,064th largest place in this dataset.
Your street may differ from Columbus Junction's reading
This page describes Columbus Junction as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Columbus Junction's reading
The methodology guide shows exactly how Columbus Junction'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.