Interstate 515 is a 14.44-mile-long spur route of I-15 in the US state of Nevada that runs from the junction of I-11, I-215, and State Route 564 at the Spaghetti Bowl Interchange in Henderson to the junction of I-15, U.S. Route 93, and US 95 at the Las Vegas Spaghetti Bowl Interchange in Downtown Las Vegas. Wikipedia