State Route 115 is a state highway outside the city of Fallon, Nevada in the United States. Known as Harrigan Road, SR 115 starts at an intersection with SR 119 (Berney Road) and runs north to an intersection with Stillwater Avenue, paralleling U.S. Route 95.In the late 1950s, modern SR 115 was part of SR 2 and U.S. Route 50 Alternate, which began at SR 119 (then part of US 50) and followed Stillwater Avenue, East Street, and Center Street to end at Maine Street (also then US 50).