Arkansas Highway 180 is a state highway in Fayetteville, Arkansas. The route, officially known as Martin Luther King Jr. Boulevard, runs 1.723 miles (2.773 km) from Interstate 49 (I-49) east to School Avenue. Highway 180 is designated as part of the Trail of Tears National Historic Trail as well as Arkansas Heritage Trails System designations as the Butterfield Trail, Trail of Tears, and Civil War Trails.