Roadway ROW Schema

You can also view and download a detailed copy of the schema and coverage report as a spreadsheet.

Field	Description	Datatype
ll_uuid	Regrid UUID Uniquely identifies a single parcel with a v4 uuid. A stable parcel id across county data refreshes. This field should be used for tracking individual parcels.	text
geoid	County FIPS Code - A 5 digit county id number, consisting of the 2 digit FIPS state code + the 3 digit FIPS county code.	text
source	Source of the Roadway ROW polygon	text
road_type	Road name from Tiger data	text
road_name	Road name from Tiger data	text
mtfcc_name	Text name for the MAF/TIGER Feature Class Code, functions as a roadway subtype.	text
mtfcc	MAF/TIGER Feature Class Code, functions as a roadway subtype code.	text
owner	Legal owner of the land represented by the roadway right-of-way polygon as per assessment or recorder records. Only available for shapes derived directly from parcels.	text
lbcs_ownership	Ownership classification code as reflected within the LBCS. Ownership structure: public, private. See https://www.planning.org/lbcs/standards/ownership/.	numeric
lbcs_ownership_description	Textual description of the owner classification as reflected in the LBCS.	text
linearid	TIGER Linear Feature ID (Road ID).	text
segment_length	The linear length of the roadway segment reflected by the roadway right-of-way polygon, as measured in feet	numeric
ll_gisacre	Roadway ROW Acres as calculated by Regrid	numeric
ll_gissqft	Roadway ROW polygon square feet as calculated by Regrid	numeric
ogc_fid	Numeric Object ID (prefer the UUID)	numeric
wkb_geometry	Geometry	geometry

road_type values

Code	Name
C	County
I	Interstate
M	Common Name
O	Other
S	Statewide
U	US

source values

The source column indicates where the ROW polygon was sourced from.

Value	Source
buffered_roads	Generated from TIGER roads buffered in areas not covered by parcel voids or other shapes
dot_parcels	Sourced from DOT-owned parcels. Typically state-owned, this was sourced from a list of over 1,500 names identified nationwide
narnl	Generated from North American Rail Network (NARN) lines buffered in areas not covered by parcel voids or other shapes
nhs	Generated from National Highway System (NHS) lines buffered in areas not covered by parcel voids or other shapes.
row_parcels	Sourced from parcels identified as ROWs in the Regrid nationwide parcel dataset
voids	Sourced from areas not covered by parcels in the Regrid nationwide parcel dataset