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Table 6 Street segment selection based on the Census Feature Class Codes (CFCC)

From: Rhythm of the streets: a street classification framework based on street activity patterns

Census Feature Class Codes (CFCC)

Select or not for this research

A15 Primary road with limited access or interstate highway, separated

No

A21 Primary road without limited access, US highways, unseparated

Yes

A25 Primary road without limited access, US highways, separated

Yes

A30 Secondary and connecting road, state highways

Yes

A31 Secondary and connecting road, state highways, unseparated

Yes

A35 Secondary and connecting road, state highways, separated

Yes

A40 Local, neighborhood, and rural road, city street

Yes

A41 Local, neighborhood, and rural road, city street, unseparated

Yes

A45 Local, neighborhood, and rural road, city street, separated

Yes

A60 Special road feature, major category used when the minor category could not be determined

No

A61 Cul-de-sac, the closed end of a road that forms a loop or turn-around

Yes

A62 Traffic circle, the portion of a road or intersection of roads forming a roundabout

No

A63 Access ramp, the portion of a road that forms a cloverleaf or limited-access interchange

No

A64 Service drive, the road or portion of a road that provides access to businesses, facilities, and rest areas along a limited-access highway; this frontage road may intersect other roads and be named

No

A70 Other thoroughfare, major category used when the minor category could not be determined

Yes

A71 Walkway or trail for pedestrians, usually unnamed

Yes

A72 Stairway, stepped road for pedestrians, usually unnamed

Yes

A73 Alley, road for service vehicles, usually unnamed, located at the rear of buildings and property

Yes

A74 Driveway or service road, usually privately owned and unnamed, used as access to residences, trailer parks, and apartment complexes, or as access to logging areas, oil rigs, ranches, farms, and park lands

No