According to the Federal Highway Administration, there are 46,876 miles of interstate highway in the United States. The Interstate System was built with funds allocated to each state by a series of acts of Congress.Know More
Highway systems are generally supported by federal funding and state governments. These funds provide improvement in the condition of roads and bridges. Tax revenues and tolls are also used to contribute to up-keeping the conditions of highways.
President Dwight D. Eisenhower is often referred to as the "Father of the Interstate System." Although the concept of an interstate highway system was first proposed in a report to Congress in 1939, it wasn't until Eisenhower took office in 1953 that he made the revitalization of national highways a goal for his first term. During his time in the military, Eisenhower had witnessed the efficiency of Germany's Autobahn highway system firsthand, and he believed that the United States needed an equally effective roadway system.Learn more about Maps & Cartography
The Earth's equatorial circumference is 24,901.55 miles. However, when taking measurements passing through the poles, that number decreases to 24,859.82 miles around.Full Answer >
The Bering Strait, which divides Alaska from Russia, is only 55 miles at its narrowest. However, two islands in the middle of the strait — Big and Little Diomede, the former in Russia and the latter in Alaska — are less than 2.5 miles apart from each other.Full Answer >
Five kilometers is equal to three miles and 188.07 yards. In road races, five kilometers is usually just referred to 3.1 miles. One kilometer equals 0.6214 miles and one mile equals 1.6093 kilometers.Full Answer >
The 50 states that comprise the United States are Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin and Wyoming.Full Answer >