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Federal
Shipping Fairways, Lanes, and Zones for US waters
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
Federal
Access to Jobs and Workers via Transit - Download
U.S. Environmental Protection Agency —
A collection of performance indicators and regional benchmarks for consistently comparing neighborhoods (census block groups) across the US in regards to their...