Linked Data Explorer
1968 national highway functional classification study manual; as required by Section 17 of the 1968 Federal-aid highway act
- "1968 national highway functional classification study manual; as required by Section 17 of the 1968 Federal-aid highway act"@en
- "1968 national highway functional classification study manual as required by Section 17 of the 1968 Federal-aid highway act"@en