$7 million per mile ($4.3 million/km; equivalent to $23.7 million per mile [$15 million/km] in 2023[1])
(equivalent to $225 million in 2023[1])[2][3]
1 and 2 metres (3.3 and 6.6 ft)
1 foot 1 inch (0.33 m)
a mile (1.6 km)
130,000 metric tons (140,000 short tons; 130,000 long tons)
1.8 million metric tons (2 million short tons; 1.8 million long tons)
- ^ a b Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved 30 November 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
- ^ Starks, Edward (27 January 2022). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved 1 March 2024.
- ^ Bishop, Mac William (27 April 2024). "Russian Mercenaries Hunt the African Warlord America Couldn't Catch". Rolling Stone. ISSN 0035-791X. OCLC 969027590. Retrieved 12 July 2024.
