Knightdale, NC Noise Levels
How loud is Knightdale, NC?
None of the three transportation sources BTS models, road, rail or aircraft, register above 45 dB(A) at Knightdale, NC.
That figure is sampled at one coordinate, the Census Bureau's own internal point for Knightdale, not a street-by-street survey of the whole place.
How Knightdale compares nationally
Knightdale is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. About 21,829 people live there, making it the 1,799th largest place in this dataset.
Checking one address in Knightdale
Nothing here substitutes for checking one address in Knightdale directly, and BTS's own map lets anyone do that at no cost.
Knightdale's number isn't a one-off calculation, it comes from the same method covered in the methodology guide. See the why New York City shows up quiet here too for why a real place can show no reading at all.