Interstate 90 is the longest U.S. Interstate Highway with over 3,000 miles from Seattle, WA to Boston, MA.

The Eisenhower interstate system requires that one mile in every five must be straight in case of war or emergency, they could be used as airstrips.

Studies have shown that children laugh an average of 300 times/day and adults 17 times/day, making the average child more optimistic, curious, and creative than the adult.

AMAZING FACTS