Question: Which state has the longest straight stretch of Interstate in the U.S.?
Answer: The longest straight stretch of interstate in the U.S. is located in Nebraska, extending approximately 72 miles along I-80. This stretch runs from exit 318 near Grand Island to mile marker 390 near Lincoln, maintaining a nearly perfectly straight line with only slight deviations over its entire length. After Lincoln, I-80 curves northeast toward Omaha and crosses the Missouri River into Iowa. Additionally, this section of I-80 is designated as a Blue Star Memorial Highway.
