Original: U.S. Route 66 (also known as the Will Rogers Highway after the humorist, and colloquially known as the "Main Street of America" or the "Mother Road") was a highway in the U.S. Highway System.
Simplified: U.S. Route 66 (also known as Route 66, U.S. Highway 66, The Main Street of America, The Mother Road and the Will Rogers Highway) was a highway in the U.S. Highway System.