NHS
Ohio's segments of the National Highway System — the Interstates, principal arterials and connectors that carry the nation's strategic traffic, and the network most federal performance and design requirements apply to.
- Published by
- ODOT Office of Technical Services, Roadway Information GIS
- Source
- Ohio Department of Transportation TIMS
- Original data
- tims.dot.state.oh.us
- Terms of use
- Public information, no warranty (ODOT)
- On the map
- Lines
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Sections of the Road Inventory that are included in the National Highway System.
Fields
What each record holds, as the publisher describes it: 10 fields.
| Field | Description |
|---|---|
ObjectID OBJECTID | |
PERP_YEAR | Calendar year in which a RI event occurs (like new constructions, abandoning of roads, annexations, increase in speed limit, and so on) on a roadway and is recorded in ODOT’s RI database. |
ODOT_DISTRICT | From 1-12 plus Central Office – the counties are grouped into districts in Ohio for ease of maintenance and funding |
JURISDICTION_CD | Type of jurisdiction to which the section of the route belongs. C-county, F-federal, M-municipal, P-private, S-state, T-township. |
ROUTE_SUFFIX | Route suffix used to differentiate routes with similar route numbers. |
ROUTE_EXTENSION_CD | Route suffix provides additional context or definition of route naming or usage. |
CARDINALITY_CD | Cardinal/non-cardinal direction of the route. All roadways are inventoried in the predominant direction from south to north and west to east. |
NHS_CD | Indicates if the road is included in the National Highway System, a federally designated network of roads that are eligible for priority federal aid funding. N-NHS, H-Congressional corridor, S-STRAHNET, C-STRAHNET connector, 2-Airport, 3-Port, 4-Amtrak, 5-Rail/truck terminal, 6-Bus terminal, 7-Multi-modal terminal, 8-Pipeline terminal, 9-Ferry terminal |
STRAHNET_CD | A roadway segment that is a component of the Strategic Highway Supply Network (STRAHNET) which provides defense access, continuity and emergency capability for the movement of personnel and equipment in peacetime and war. S-STRAHNET, C-STRAHNET Connector |
NHS_INTERMODAL_FACILITY_CD | Intermodal Facility Number associated with the National Highway System Code |