Below you can find the 4.4 million cubic yards of this were laid in the hoover dam enough to pave a highway from san francisco to new york city Jeopardy Words Answer. The answer to 4.4 million cubic yards of this were laid in the hoover dam enough to pave a highway from san francisco to new york city has 8 letters. This clue belongs to the The 20th century category and is part of Jeopardy Word Level 1240. If you scroll near the bottom you will find other clues and answers part of level 1240