| skos:altLabel | - United States
- Highways
- highway
- primary
- Interstate
- in the United States
- numbering scheme
- federal highways
- interstate highway
- interstate highways
- Interstate highway
- Expressway
- expressways
- highways
- mile markers
- Interstate Highway
- Business Loop
- interstate
- primary routes
- Dwight D. Eisenhower System of Interstate and Defense Highways
- Auxiliary Interstate highways
- Eisenhower Interstate Highway System
- Eisenhower Interstate System
- Freeways/Highways
- Interstate Freeway System
- Interstate Highway Act
- Interstate Highway Program
- Interstate Highway System#History
- Interstate Highway System#Interstate shield
- Interstate Highway system
- Interstate Highways
- Interstate System
- Interstate and Defense Highway System
- Interstate freeways
- Interstate highway network
- Interstate highway system
- Interstate highways
- Interstate numbering standard
- Interstate routes
- Interstate shield
- Interstate shield sign
- Interstate system
- Interstate-signed
- Interstate_Highway_System
- Interstates
- National Interstate Designation
- National System of Interstate Highways
- National System of Interstate and Defense Highways
- U.S. Interstate 5
- U.S. Interstate Highway
- US Interstate Highway System
- US Interstate highways
- US freeway network
- United States Interstate Network
- United States interstate highway system
- auxiliary Interstates
- auxiliary routes
- chargeable Interstate
- existing Interstate Highway grid
- federal interstate highway system
- four-lane highways
- highway systems
- highway transportation
- interstate Highway System
- interstate freeways
- interstate highway construction boom
- interstate highway projects
- interstate highway system
- interstate system
- interstates
- long, straight, smooth roads
- non-chargeable mileage
- rules for numbering Interstates
- Interstate Highway System#Chargeable and non-chargeable Interstate routes
- superhighway system
- the interstate highways
- usual conventions
- was planned
- withhold highway funds
- Dwight D. Eisenhower National System of Interstate and Defense Highways
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