Interstate 395 (I-395) is a major highway in the United States that runs through the District of Columbia and parts of Virginia and Maryland. It connects to other significant routes, including Interstate 95 and Interstate 495, facilitating travel in the Washington, D.C. metropolitan area. The highway is approximately 14 miles long and serves as a vital corridor for commuters and commercial traffic. I-395 begins at the junction with I-695 in Washington, D.C., and extends southward to Virginia, where it merges with I-95. The highway features several key interchanges, providing access to important locations such as National Airport and Alexandria. It plays a crucial role in regional transportation and economic activity.