What the public record shows
US-1 climbs onto the Tobin Bridge across Chelsea's southwestern corner, above and beside dense residential streets.
Everything below is a recorded finding from Groundtruth's data layers, sampled at 3 points along this corridor on Jul 16, 2026, each with its public source. These numbers move block by block: run your exact address for the full six-pillar report.
Road noise, modeled
~57 dB
An estimate for spotting problems, not a measurement. Registered at 1 of 3 sampled points. 24-hour average, national noise model (BTS).
Aviation noise, modeled
59–60 dB
An estimate for spotting problems, not a measurement. Registered at 2 of 3 sampled points. 24-hour average, national noise model (BTS).
US 1 (Northeast Expressway), a limited-access highway (3 lanes), passes 535 ft to the NW of the sampled point. Highways of this class carry steady traffic day and night.
Source: OpenStreetMap road network (© OpenStreetMap contributors, via Geofabrik) · retrieved Jul 16, 2026
Boston Logan International Airport (KBOS), a major airport with scheduled airline service, is 2.3 mi to the SE.
Source: FAA airport & runway data (OurAirports) · retrieved Jul 16, 2026
This address sits within ~1,312 ft of the extended centerline of runway 15R/33L at Boston Logan International Airport (2.4 mi away). Aircraft landing on or departing this runway may pass overhead at low altitude, depending on wind direction and runway use that day.
Source: FAA airport & runway data (OurAirports) · retrieved Jul 16, 2026
Park St @ Williams St is 180 ft away. Route 111 (bus): 185 weekday departures (~8.7/hour), 5:07 AM–2:24 AM.
Source: MBTA GTFS static feed (Summer 2026, 2026-07-15T15:16:59+00:00, version D) · retrieved Jul 16, 2026
The EPA National Walkability Index scores this census block group 15.5 out of 20 — in the "most walkable" band nationally. The index combines intersection density, proximity to transit stops, and the mix of jobs, homes, and destinations.
Source: EPA National Walkability Index · retrieved Jul 16, 2026
Within a 5-minute walk: 1 grocery store, 3 restaurants, 1 bar, 5 parks. Within 10 minutes: 5 grocery stores, 6 restaurants, 1 bar, 13 parks, 2 schools.
Source: OpenStreetMap amenities (© OpenStreetMap contributors, via Geofabrik) · retrieved Jul 16, 2026
5 bus routes stop within the walk radius.
Source: MBTA GTFS static feed (Summer 2026, 2026-07-15T15:16:59+00:00, version D) · retrieved Jul 16, 2026
Within a 5-minute walk: 2 grocery stores, 6 restaurants, 1 bar, 8 parks, 1 school. Within 10 minutes: 4 grocery stores, 13 restaurants, 1 bar, 16 parks, 6 schools.
Source: OpenStreetMap amenities (© OpenStreetMap contributors, via Geofabrik) · retrieved Jul 16, 2026
Distance to the source decides most of these numbers. A Groundtruth report runs all sixteen layers against one exact address: noise, hazards, permits, transit, and neighborhood signals, scored and cited. Six scores and the top finding are free.
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