Philly was in crisis or why did it closed so many streetcars lines?
I avoid the term "trolley" because in Romanian "troleu" ("trolley") refers to troleibuze (trolleybuses), not tramvaie (streetcars). In the '70's (or early '80's) the tranzition to pantographization was complete and anyway the streetcars of Romania had this kind of trolley:
http://www.oradeainimagini.ro/din-tr...a-1024x670.jpg