Salem, NJ Noise Levels
How loud is Salem, NJ?
None of the three transportation sources BTS models, road, rail or aircraft, register above 45 dB(A) at Salem, NJ. That's the reading at Salem's Census-defined center point, not any one street, BTS's map is a live raster, not a per-address service.
How Salem compares nationally
Salem, NJ sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. By population, it ranks 4,679 of the 12,137 places in this dataset, home to about 5,369 people.
Checking one address in Salem
Nothing here substitutes for checking one address in Salem directly, and BTS's own map lets anyone do that at no cost.
Salem'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.