National Highway Freight Network

Ohio's segments of the National Highway Freight Network — the federally designated highways carrying the country's most critical freight movements, which are eligible for dedicated freight funding. In Ohio the network consists entirely of Primary Highway Freight System routes.

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

Ask State Planner a question about this data in plain language, and get the answer as a written explanation and a map.

From the publisher

Sections of the Road Inventory that are on the Primary Highway Freight System (PHFS) and part of the National Highway Freight Network (NHFN). The NHFN for Ohio only contains routes on the PHFS. For more information on freight network designations, please visit: https://ops.fhwa.dot.gov/freight/infrastructure/nfn/index.htm Update frequency: Annual.

Questions answered with this data

Draw the National Truck Network and the freight network, then mark every load-posted or restricted bridge on them, colored by posted detour length.

Fields

What each record holds, as the publisher describes it: 7 fields.

Field	Description
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.
FREIGHT_NETWORK_IND	A value of 1 indicates whether the route is on the Primary Highway Freight System (PHFS) and is part of the National Highway Freight Network (NHFN). The NHFN for Ohio only contains routes on the PHFS. For more information on freight network designations, please visit: https://ops.fhwa.dot.gov/freight/infrastructure/nfn/index.htm

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