The Watt/I-80 is a side platformed Sacramento RT light rail station in North Highlands, California, United States. The station was opened on March 12, 1987, and is operated by the Sacramento Regional Transit District. As part of the Blue Line, it has service to Downtown Sacramento, South Sacramento, California State University, Sacramento, Rancho Cordova, Gold River and Folsom. The station is located in the median of Interstate 80 below Watt Avenue, and this has been the Blue Line's northern terminus since its opening.