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Service Description: Caltrans is responsible for the decennial production of the Adjusted Urban Area Boundaries for the State of California. The CA 2020 adjusted urban area file represents the current Federal Highway Administration (FHWA) approved Caltrans adjusted urban area boundaries.
The Urban Area Boundaries are separated into two classifications based on population:
1= Small Urban Areas ranging from 5,000 to 49,999 in population
2= Urbanized Areas 50,000 or more
According to Title 23 U.S.C. 101(a)(35) and (36), Small Urban and Urbanized Area boundaries are to be adjusted in cooperation by responsible State and local officials, and subject to approval by the Secretary of Transportation. Adjustments may include the addition of significant transportation corridors and areas of growing urbanization.
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Supported Query Formats: JSON
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Service Item Id: 385ae79b5a6c45f0b0dd7d750d1fba85
Copyright Text:
Spatial Reference:
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Units: esriMeters
Document Info:
Title: Map
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Category:
Keywords: Clearinghouse,Boundary,Caltrans, California Department of Transportation, CAOpenData, CalSTA, California State Transportation Agency
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