Iris Avenue station
Iris Avenue is a station on the Blue Line of the San Diego Trolley in the Otay Mesa West neighborhood of San Diego. The stop serves a variety of purposes, holding the function of commuter center with a park and ride lot and to provide access to the nearby commercial and residential areas. History. Iris Avenue opened as part of the initial "South Line" of the San Diego Trolley system on July 26, 1981, operating from north to Downtown San Diego using the main line tracks of the San Diego and Arizona Eastern Railway. This station was  originally scheduled to undergo renovation starting September 2014, as part of the Trolley Renewal Project, though actual renovation construction didn't begin until October 2014; it reopened with a renovated station platform in May 2015. Station layout. There are two tracks, each with a side platform.