• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-12-04T00:00:00.000+00:00

Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones assist opposing streams of marine...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2008-05-01T00:00:00.000+00:00

The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-09-22T00:00:00.000+00:00

These data show the boundaries for select vessel routing measures in U.S. waters. These measures are part of an international ships routing system established by the IMO. Routing systems are...

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• Organization: City of Seattle
• Updated: 2026-02-20

Speed humps which are in street paved mounds used in low volume arterial streets and on non-arterial streets that have been designated as emergency fire routes. The purpose of these assets is to...

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• Organization: Department of Energy
• Updated: 2020-06-01T21:57:15Z

Demand for abundant and diverse resources in the oceans is growing, necessitating marine spatial planning. To inform development of Marine Hydrokinetic (MHK) and Offshore Wind (OSW) resources, the...

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