The Engineering That Built the World

S01E03 Road Warriors

For years, two expert roadbuilders dedicate their lives to developing a vast highway network that links every city and town across the United States. This monumental endeavor will become the largest public works initiative ever undertaken—costing more than two thousand Hoover Dams, stretching three times the length of the Great Wall of China, and utilizing enough asphalt to make three round trips to the moon.