{ "culture": "en-US", "name": "NationalNetwork", "guid": "26CF5815-257B-43C4-9E37-59FAA4B66538", "catalogPath": "", "snippet": "The primary purpose of this geospatial data set is to serve the FHWA needs in highway planning, policy analysis, visualization of the NN database and network...", "description": "
The National Network was authorized by the Surface Transportation Assistance Act of 1982 (P.L. 97-424) and specified in the U.S. Code of Federal Regulations (23 CFR 658) to require states to allow conventional combinations on \"the Interstate System and those portions of the Federal-aid Primary System serving to link principal cities and densely developed portions of the states on high volume routes utilized extensively by large vehicles for interstate commerce which do not have any unusual characteristics causing current or anticipated safety problems.\"The National Network (NN) includes almost all of the Interstate Highway System and other, specified non-Interstate highways. The network comprises more than 200,000 miles of highways. The National Network supports interstate commerce by regulating the size of trucks.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "summary": "The primary purpose of this geospatial data set is to serve the FHWA needs in highway planning, policy analysis, visualization of the NN database and network...", "title": "NationalNetwork", "tags": [ "National Network", "Freight" ], "type": "Feature Service", "typeKeywords": [ "Data", "Service", "Feature Service", "ArcGIS Server", "Feature Access", "providerSDS" ], "thumbnail": "thumbnail/thumbnail.png", "url": "", "extent": [ [ -158.240268314031, 17.9739999999001 ], [ -65.6371931189672, 64.8601199999381 ] ], "minScale": 0, "maxScale": 1.7976931348623157E308, "spatialReference": "GCS_GRS_1980", "accessInformation": "", "licenseInfo": "" }