Interstate 184 (I-184) is a short Auxiliary Interstate Highway spur route of Interstate 84 located in the U.S. state of Idaho. I-184 connects I-84 travelers to downtown Boise. The western terminus of I-184 is with I-84/U.S. Route 30; the eastern terminus is 13th Street in downtown Boise, where I-184 empties eastbound traffic onto Myrtle Street and receives westbound traffic from Front Street. The Front/Myrtle couplet passes just south of the heart of downtown Boise and connects to Broadway Avenue 1/4 mile north of Boise State University. Between Chinden Boulevard and its eastern terminus I-184 runs concurrent with U.S. Route 20 and U.S. Route 26.