While there was a time when the country was busy developing and building a major network of interconnected roadways and highways, today there is more focus on repairing and replacing existing infrastructure. It seems only yesterday that this country undertook the monumental task of building a national roadway system known as the Interstate Highway system. Millions of tons of asphalt were used to connect and tie the entire country together into one cohesive network. This was a major step in the modernization of the country.