 Palm 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 March 2015.There are two tracks, each with a side platform.