This map shows modeled outdoor noise across Long Meadow Farms at 100-meter resolution, combining road, aviation, and rail sources. Green areas measure below 45 dBA. Orange and red exceed the EPA's 55 dBA outdoor threshold linked to long-term health effects. Use the layer toggles to view each source on its own or all together.
What the numbers sound like
- 30 dBAWhisper
- 40 dBASoft rainfall
- 45 dBAQuiet suburban street at night
- 50 dBAQuiet office
- 55 dBAEPA outdoor threshold: light traffic 100 ft away
- 60 dBANormal conversation an arm's length away
- 65 dBABusy restaurant
- 70 dBAHighway traffic 50 ft away
- 80 dBACity bus interior
Population Above the EPA Outdoor Threshold
The EPA's 55 dBA outdoor reference level is a common benchmark for residential noise exposure, especially for activity interference, annoyance, and long-term community noise concerns. About 1,434 Long Meadow Farms residents, or 25.7%, live above that level. By land area, 27.7% of Long Meadow Farms is above 55 dBA.
See how noise in Long Meadow Farms compares to similar-sized neighborhoods.
Noise by Part of Long Meadow Farms
Average noise levels for Long Meadow Farms residents, grouped by direction from the center of Long Meadow Farms. The highest population-weighted average is in northern Long Meadow Farms; the lowest is in southwestern Long Meadow Farms, where just 14% of residents live in blocks above the EPA's 55 dBA threshold, three-quarters of the share in the loudest section.
Northern Long Meadow Farms
18% of people above 55 dBA
Northwestern Long Meadow Farms
10% of people above 55 dBA
Southern Long Meadow Farms
18% of people above 55 dBA
Southeastern Long Meadow Farms
18% of people above 55 dBA
Southwestern Long Meadow Farms
14% of people above 55 dBA
To the human ear, noise in northern Long Meadow Farms sounds about 51% louder than in southwestern Long Meadow Farms, a 5.9 dBA gap. Every 10 dBA roughly doubles perceived loudness. Within any of these directions, two homes a quarter mile apart can still differ by 10 or more dBA depending on how close they sit to a major highway.
How far back from Grand Pkwy do you need to be?
Grand Pkwy produces an estimated 73 dBA at its loudest centerline points. Noise drops logarithmically with distance, with the exact rate depending on what's between you and the road. Tree cover, walls, terrain, and pavement type all matter. At roughly a quarter mile back, traffic fades into the noise level of a soft rainfall.
Calculated from the model's calibrated attenuation formula. About 6% of Long Meadow Farms sits under tree canopy (lighter than most neighborhoods) and roughly 53% is impervious surface like pavement and rooftops. Both are folded into the per-place decay rate above. Heavier canopy pulls noise down faster with distance; impervious surfaces slow the drop.