Route 115 is a 6.4-mile-long (10.3 km) numbered state highway is the U.S. state of Rhode Island.

Its western terminus is at Route 116 in Hope and its eastern terminus is at Route 117 in Warwick.

Route 115 takes the following route through Rhode Island: Toll Gate Road is named such because it used to be a connector road to a toll gate for the old New London Turnpike.

From the point where Providence Street intersects New London Avenue to the turn onto Toll Gate Road, Route 115 runs on the Warwick/West Warwick town line with Route 115 Eastbound running in Warwick and Route 115 Westbound running in West Warwick.