Interstate

E98268

The Interstate is the United States’ nationwide system of high-speed, limited-access highways that connects major cities and regions for efficient long-distance travel and commerce.

Aliases (1)

Statements (48)
Predicate Object
instanceOf highway system
transportation infrastructure
alsoKnownAs Dwight D. Eisenhower National System of Interstate and Defense Highways NERFINISHED
Interstate NERFINISHED
Interstate System NERFINISHED
approximateLength over 48000 miles
over 77000 kilometers
authorizedBy Federal-Aid Highway Act of 1956 NERFINISHED
characteristic controlled access
divided highways
grade-separated interchanges
limited-access highways
numbered route shields with red white and blue design
connects U.S. regions
major U.S. cities
constructionStartDate 1956
country United States
economicRole freight transportation corridor
supports national logistics network
fundedBy federal government of the United States NERFINISHED
state governments
governedBy Federal Highway Administration NERFINISHED
hasDesignStandard controlled access ramps
limited at-grade intersections
median separation
minimum lane widths
hasNumberingScheme even numbers for east–west routes
odd numbers for north–south routes
three-digit numbers for auxiliary routes
impact facilitated suburbanization
reduced travel times between regions
includes rural highways
urban expressways
legalBasis Federal-Aid Highway Act of 1956 NERFINISHED
maintainedBy state departments of transportation
namedAfter Dwight D. Eisenhower NERFINISHED
partOf National Highway System NERFINISHED
purpose facilitation of interstate commerce
high-speed long-distance travel
national defense mobility
regulates commercial vehicle weight limits
hazardous materials routing
safetyFeature grade-separated crossings
limited access points
speedCharacteristic supports high-speed travel
usedFor intercity bus travel
passenger vehicle travel
truck transport

Referenced by (1)
Subject (surface form when different) Predicate
Interstate 45
routeType

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