US DOT Noise Map

AggieMike88

AggieMike88

Touchdown! Greaser!
Joined
Jan 13, 2010
Messages
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Location
Denton, TX
Display Name
The original "I don't know it all" of aviation.
Home Airfield
KDTO (Denton Enterprise)
It's only transportation related noise, so runways are going to be hotspots.
 
Well, yeah, but the observation was more that there was a "hotter than the rest" spot.
 
It's out-of-date and somewhat questionable. The 9-27 runway for PDK has been closed for over 2 years and was never used as much as the parallel 3-21 runways, yet looks very similar on the data. Also, the sound area for LZU looks much bigger than PDK, RYY or FTY and PDK is far busier. Dobbins doesn't show up at all. As someone that lives inside the Class D airspace for Dobbins I can tell you they do get traffic, including C-130 and C-5. I've seen both doing laps some days. CCO shows up well, but nothing for FFC.

Hmmmm?
 
Does it measure noise where people are? Ie, does it cover vehicle noise at a sidewalk along the highways/roads? Or is it, like much research, skewed by data cherry-picking?
 
This national, multimodal transportation noise mapping initiative used data sources from the Federal Aviation Administration (FAA) and Federal Highway Administration (FHWA) to create a comprehensive map of noise levels. The FAA’s Aviation Environmental Design Tool was used to model the average number of daily flight operations from airports across the country, excluding airports with exclusively military operations. To determine daily road noise data, algorithms from the FHWA’s Traffic Noise Model were used in conjunction with data from the Highway Performance Monitoring System to obtain the average daily noise levels for automobiles, medium trucks, and heavy trucks. The acoustics modeling used in developing these noise layers uses conservative, simplified methods, and only considers transportation noise (no other ambient noise sources). Documentation on the modeling assumptions is available at https://maps.bts.dot.gov/noise/. The noise data in the layers should be used for the purpose of tracking trends, not for assessing impacts. This data release represents the first year of data that can be used to analyze future trends

https://maps.bts.dot.gov/noise/BTSNoiseMappingToolDocumentation_March2016.pdf
 
We can barely hear the airport here. The trains are really noisy, and it averages out to one train every 4 minutes, 24/7.

Which is the reason I do not live in town. Lot of folks here have hearing problems.
 
Looking around places where I'm familiar with the noise, that map does not include train noise, nor piston aircraft. Looks like it's strictly a map of jet tracks and car/truck traffic.
 
Just looking around at different places I know, airports and others, it seems like they probably have some selection bias in where they decided to record sound levels and when.
 
cowman said:
Just looking around at different places I know, airports and others, it seems like they probably have some selection bias in where they decided to record sound levels and when.
Click to expand...
I don't think there is any recording at all. It's a model.
 
NealRomeoGolf said:
My home field is so sleepy there's no noise. Ha!
Click to expand...

Yup, the two airports in Tulsa with jet-traffic are the major focal points, while the other half-dozen piston-GA airports in the area don't even register. I will say though, you can always make out the roar of airliners taking off to the north from my house 20+ miles (south).
 
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