National Highway Freight Network Map and Tables for Montana

This map shows the Primary Highway Freight System (PHFS) routes as well as all the Interstate Highways within the state that are not part of the PHFS.

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Table of National Highway Freight Network Routes

PRIMARY HIGHWAY FREIGHT SYSTEM (PHFS) ROUTES
State	Route No/ Facility Name	Start Point	End Point	Route/Facility Description	Length (Miles)
MT	I15	ID/MT	MT/AB	I15 from ID/MT to MT/AB	395.89
MT	I90	ID/MT	I15	I90 from ID/MT to I15	217.18
MT	I90	I15	MT/WY	I90 from I15 to MT/WY	326.52
PHFS Total					939.58

INTERSTATE NOT ON THE PHFS
State	Route No/ Facility Name	Start Point	End Point	Route/Facility Description	Length (Miles)
MT	I115	I15	1.19 Miles East of I15	I115 from I15 to 1.19 Miles East of I15	1.19
MT	I315	I15	U89/ Fox Farm Rd	I315 from I15 to U89/ Fox Farm Rd	0.83
MT	I94	I90	MT/ND Line	I94 from I90 to MT/ND Line	249.22
INTERSTATE NON-PHFS Total					251.24

Note: PHFS and the Non-PHFS Interstate mileage is based on the U.S. Department of Transportation, Federal Highway Administration, All Roads Network of Linear Referenced Data (ARNOLD) - 2019 geospatial database. Non-PHFS Interstate mileage can fluctuate based on changes made to the Interstate System. The mileage for Non-PHFS Interstate is based on the Interstate Mileage reported in the National Highway System (NHS) as of October 17, 2019. The mileage for CRFCs and CUFCs is based on the State reported data as of January 27, 2023

Sources

U.S. Department of Transportation, Federal Highway Administration, Freight Analysis Framework,
Version 4, 2015, Highway Performance Monitoring System 2012.