Hurricane Evacuation RoutesThis feature layer, utilizing data from Homeland Infrastructure Foundation Level Data, displays the locations of hurricane evacuation routes in the United States. Per HIFLD, "A hurricane evacuation route is a designated route used to direct traffic inland in case of a hurricane threat. This dataset is based on supplied data from Gulf Coast and Atlantic Seaboard states. The GIS data was gathered from states willing to share such data. Three (3) states (ME, NY, and NH) indicated that they do not maintain public maps showing hurricane evacuation routes and were unable or unwilling to share GIS files depicting such routes."Houston, Texas area hurricane evacuation routesData currency: Caution should be exercised by the user of this feature layer. This data is over ten years old and has not been updated since creation. HIFLD is inquiring with agencies to determine whether they would be willing to be data stewards for this layer going forward. (As of January 2018)Data modification: NoneData source: HIFLD Open Data For more information: Homeland Infrastructure Foundation - Level Data Subcommittee For additional metadata about the original data: ISO-19139 MetadataFor feedback, please contact: ArcGIScomNationalMaps@esri.comHomeland Infrastructure Foundation-Level Data (HIFLD) SubcommitteePer HIFLD, "The Homeland Infrastructure Foundation-Level Data (HIFLD) Subcommittee was established…to address improvements in collection, processing, sharing, and protection of homeland infrastructure geospatial information across multiple levels of government, and to develop a common foundation of homeland infrastructure data to be used for visualization and analysis on all classification domains."

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