name: Rural principal arterial roadway with a minimum of
25 percent of the annual average daily traffic of the
road measured in passenger vehicle equivalent units
from trucks code: A
name: Provides access to energy exploration, development,
installation, or production areas code: B
name: Provides access to a grain elevator, an agricultural
facility, a mining facility, a forestry facility, or an
intermodal facility code: D
name: Connect to an international port of entry code: E
name: Provides access to significant air, rail, water, or other
freight facilities code: F
name: Connects the PHFS or the Interstate System to facilities that handle more than: 50,000 20-foot equivalent units per year; or 500,000 tons per year of bulk commodities code: C
name: Corridor that is vital to improving the efficient movement of freight of importance to the economy of the State. code: G
name: Not a parkway - not on a designated truck route code: 0
name: Designated truck route under Federal Authority in 23 CFR 658 Available to STAA vehicles (Twin 28' Semitrailer-trailer and 48' Semitrailer combinations) code: 1
name: Designated truck route ONLY under State Authority. Fully available to both types of STAA vehicles described above code: 2
name: DCR Parkway - Recreational Vehicles Only code: 3