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Public-images-osm logo.svg tiger:MTFCC
classification tag from official US database imported without conversion to proper OSM tags Edit or translate this description.
Used on these elements
should not be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations
Status: imported

It is dubious whatever it should be present on any object as it duplicates OSM tags.

In it is defined as "MAF/TIGER feature class code (G4060)" and restricted to be string of (maximum?) length 5.

In appendix F its values are defined.

In OSM database values tiger:CPI=G4110, tiger:CPI=G4210, tiger:CPI=S1400 dominate[1].

Meaning is as follows:

  • G4110 "Incorporated Place"
    "A legal entity incorporated under state law to provide general-purpose governmental services to a concentration of population. Incorporated places are generally designated as a city, borough, municipality, town, village, or, in a few instances, have no legal description."
  • G4210 "Census Designated Place"
    "A statistical area defined for a named concentration of population and the statistical counterpart of an incorporated place."
  • S1400 "Local Neighborhood Road, Rural Road, City Street"
    "Generally a paved non-arterial street, road, or byway that usually has a single lane of traffic in each direction. Roads in this feature class may be privately or publicly maintained. Scenic park roads would be included in this feature class, as would (depending on the region of the country) some unpaved roads."