MD 4 is a state highway located in the state of Maryland. It runs approximately 22 miles, connecting the city of Upper Marlboro to Bowie and eventually leading to Washington, D.C.. The road serves as a vital route for commuters and local traffic, facilitating access to various neighborhoods and commercial areas. The highway is also known for its scenic views, as it passes through both urban and suburban landscapes. Along its route, drivers can find several parks and recreational areas, making it a popular choice for those traveling to enjoy outdoor activities.