Interstate 69, often abbreviated as I-69, is a major highway in the United States that runs from Port Huron, Michigan to McAllen, Texas. It is designed to facilitate trade and travel between the northern and southern regions of the country, connecting several key cities along its route. The highway is part of a larger network of interstate highways and is still under construction in some areas. Once fully completed, I-69 will enhance transportation efficiency and economic development by linking various states, including Indiana, Kentucky, and Tennessee.