You can't deny the connection, railroad, trolley, "Trackless Trolley" or Trolley Bus. Yes that is a bus and it works off Catenary.
This unique overhead electric operation is in Boston. The pictures where at the Massachusetts Avenue terminal in Cambridge.

Photographed by Mark Beebe, April 15, 1995.
Added to the photo archive by Mark Beebe, April 1, 2006.
Railroad: MTA (Metropolitan Transit Authority - Boston).

Mark Beebe's awards:

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