This app was mentioned in 2 comments, with an average of 4.00 upvotes
Now you can track the trolley!
More info/web app: http://yeahthattrolley.com
Android app: https://play.google.com/store/apps/details?id=com.codeforgvl.trolleytrackerclient
iOS app: https://itunes.apple.com/us/app/trolley-tracker-greenville/id1039575794?ls=1&mt=8