planned — not yet obtainedsource: DOT/BTSwill feed: quietpublic domain
Modeled road/air/rail dB(A) Lden raster (~30 m). Large GeoTIFF → Tier-R (R2). Feeds, never replaces, a future proprietary acoustic model.
This dataset is in the pipeline plan but its raw payload isn't captured yet, so there's no layer to explore. When a connector fetches it, it'll appear here as a live map — derived from the committed raw cache like the rest. Source: https://www.bts.gov/geospatial/national-transportation-noise-map.
Coverage plan: the data catalog. Generated by tools/still/build_datasets.py.