United States Interstate Highway System

URI: https://gptkb.org/entity/United_States_Interstate_Highway_System
GPTKB entity
Statements (51)
Predicate Object
gptkbp:instanceOf gptkb:road
gptkbp:administeredBy gptkb:Federal_Highway_Administration
gptkbp:alsoKnownAs gptkb:Dwight_D._Eisenhower_National_System_of_Interstate_and_Defense_Highways
gptkb:Interstate_Highway_System
gptkbp:annualVehicleMilesTraveled over 700 billion miles
gptkbp:auxiliaryRoutes yes
gptkbp:bicycleProhibited generally
gptkbp:connects all 48 contiguous states
gptkbp:constructionStartYear 1956
gptkbp:country gptkb:United_States
gptkbp:emergencyRouteMarkings yes
gptkbp:established 1956
gptkbp:excludes gptkb:Alaska
gptkb:Hawaii
gptkb:Puerto_Rico
gptkbp:firstCompletedSection gptkb:Missouri
gptkbp:fundedBy gptkb:government
gptkbp:hasLetter even numbers for east-west routes
odd numbers for north-south routes
gptkbp:hazardousMaterialsRestrictions some sections
https://www.w3.org/2000/01/rdf-schema#label United States Interstate Highway System
gptkbp:inscriptionLanguage gptkb:shield
gptkbp:interchanges grade-separated
gptkbp:largestWin gptkb:Interstate_90
gptkbp:legislature gptkb:Federal-Aid_Highway_Act_of_1956
gptkbp:length approximately 48,756 miles
gptkbp:maintainedBy state governments
gptkbp:minimumDesignSpeed 50-70 mph
gptkbp:minimumLaneWidth 12 feet
gptkbp:minimumShoulderWidth 10 feet
gptkbp:namedAfter gptkb:Dwight_D._Eisenhower
gptkbp:notableBridges gptkb:Golden_Gate_Bridge
gptkb:George_Washington_Bridge
gptkbp:notableTunnels gptkb:Eisenhower_Tunnel
gptkb:Fort_McHenry_Tunnel
gptkbp:pedestrianProhibited yes
gptkbp:purpose national defense
civilian transportation
gptkbp:relatedTo gptkb:National_Highway_System
gptkb:State_Highway_System
gptkb:U.S._Highway_System
gptkbp:restAreaFrequency every 30-50 miles
gptkbp:restAreas yes
gptkbp:signature red, white, and blue
gptkbp:smallestInterstate gptkb:Interstate_878
gptkbp:speedLimitRange 55-85 mph
gptkbp:toll yes
gptkbp:totalRoutes over 70 primary routes
gptkbp:urbanAreasServed major cities
gptkbp:bfsParent gptkb:Interstate_60
gptkbp:bfsLayer 6