Question: wat is de langste snelweg in de verenigde staten
Answer: U.S. Route 20; U.S. Route 20 in Nebraska; U.S. Route 20 in Ohio; U.S. Route 20 in Montana; U.S. Route 20 in Iowa; U.S. Route 20 in Massachusetts; VS Route 20 in New York; U.S. Route 20 in Oregon; U.S. Route 20 in Idaho; U.S. Route 20 in Indiana; U.S. Route 20 in Pennsylvania; U.S. Route 20 in Illinois