Table 1.
Road Classification |
Description | Study Classification |
---|---|---|
S1100 | Generally divided, limited-access highways (interstate highways, including toll highways) |
Primary |
S1200 | Generally US, State, or County Highway system, may have multiple lanes, may or may not be divided, generally include intersections with other roads/highways (Main arteries) |
Secondary |
S1400 | Local neighborhood road, rural road, or city street | Tertiary |
S1500 | Vehicular Trail 4WD | Tertiary |
S1630 | Ramp | Tertiary |
S1640 | Service drive usually along a limited access highway |
Tertiary |
S1710 | Walkway or pedestrian trail | Tertiary |
S1730 | Alley | Tertiary |
S1740 | Private road for service vehicles | Tertiary |
S1750 | Internal US Census Bureau use | Tertiary |
S1780 | Parking lot road | Tertiary |