Interstate 215 (I-215), also known locally as the belt route or two-fifteen, is an auxiliary interstate in the U.S. state of Utah that forms a 270-degree loop around Salt Lake City and many of its suburbs. The route begins at the mouth of Parley's Canyon at the junction of I-80 and heads south through the edge of the Salt Lake City metropolitan area's eastern suburbs of Millcreek, Holladay, and Cottonwood Heights.