Hello --
This has been topic-discussed before -- Perhaps you missed these threads -- so here are links to TWO fairly recent previous threads:
BELOW: "Anyone doing SEPTA Trolleys ?"
https://ogrforum.ogaugerr.com/t...a-or-philly-trolleys
Show us your trolley line | O Gauge Railroading On Line Forum
BELOW: "Show Us Your Trolley Line"
https://ogrforum.ogaugerr.com/t...us-your-trolley-line
regards - Joe F