Interstate 35 (I-35) is a major north-south highway in the United States, stretching approximately 1,590 miles. It runs from Laredo, Texas, at the Mexican border, to Duluth, Minnesota, connecting several key cities along the way, including San Antonio, Austin, Dallas, Oklahoma City, and Kansas City. I-35 serves as an important transportation route for both commercial and personal travel. It facilitates trade and travel between the southern and northern regions of the country, playing a crucial role in the economy. The highway is also part of the larger Interstate Highway System, which connects various states and regions across the U.S.